Composites / Plastics: Most Popular Articles
These articles are the most popular over the last month.
Vacuum Bagging: Basics - Composite Materials
Basic techniques for vacuum bagging laminates, from your About.com Guide
Basic techniques for vacuum bagging laminates, from your About.com Guide
Composite Materials Properties Database
composite materials properties material properties database carbon graphite database material content database: Database of composite material properties.
composite materials properties material properties database carbon graphite database material content database: Database of composite material properties.
Wind Turbine Blades - Composite Materials
Sandia Developing New Wind Turbine Blade Manufacturing Processes, from your About.com Guide
Sandia Developing New Wind Turbine Blade Manufacturing Processes, from your About.com Guide
A Brief History of Kevlar
Introduction to Kevlar fibers and their properties.
Introduction to Kevlar fibers and their properties.
Dictionary of Composite Materials Technology
Introduction to the Composite Materials Glossary.
Introduction to the Composite Materials Glossary.
Index of Carbon/Graphite Composite Material Properties
Index of material properties for carbon and graphite composite materials.
Index of material properties for carbon and graphite composite materials.
Diffusion Coefficient
A factor of proportionality representing the amount of substance diffusing across a unit area through a unit concentration gradient in unit time.
A factor of proportionality representing the amount of substance diffusing across a unit area through a unit concentration gradient in unit time.
Axial Load
A pure tension or compression load acting along the long axis of a straight structural member.
A pure tension or compression load acting along the long axis of a straight structural member.
Recycled Cellulose/Glass Composite Replaces Marine Plywood
All-A-Board composite, made from recycled plastic cellulose and glass fiber, is gaining acceptance in the marine industry as a plywood replacement.
All-A-Board composite, made from recycled plastic cellulose and glass fiber, is gaining acceptance in the marine industry as a plywood replacement.
Mineral Spirits
A refined petroleum distillate (150-200 C) having a low aromatic hydrocarbon content, with volatility, flash point, and other properties making it suitable as a thinner and solvent.
A refined petroleum distillate (150-200 C) having a low aromatic hydrocarbon content, with volatility, flash point, and other properties making it suitable as a thinner and solvent.
Polyethylene Terephthalate
A saturated, thermoplastic, polyester resin made by condensing ethylene glycol and terephthalic acid, which has assumed a role of primacy in fibers and molding materials.
A saturated, thermoplastic, polyester resin made by condensing ethylene glycol and terephthalic acid, which has assumed a role of primacy in fibers and molding materials.
What's a Composite?
A brief description and definition of composite materials.
A brief description and definition of composite materials.
Modulus of Elasticity
The ratio of stress (nominal) to corresponding strain below the proportional limit of a material.
The ratio of stress (nominal) to corresponding strain below the proportional limit of a material.
Index of Fiberglass Composite Materials Properties
Index of material properties for fiberglass composite materials.
Index of material properties for fiberglass composite materials.
Gel Permeation Chromatography
A column chromatography technique employing as the stationary phase a swollen gel made by polymerizing and cross-linking styrene in the presence of a diluent which is a nonsolvent for the styrene polymer.
A column chromatography technique employing as the stationary phase a swollen gel made by polymerizing and cross-linking styrene in the presence of a diluent which is a nonsolvent for the styrene polymer.
Drop Test
Technique for measuring the durability of a part or material by subjecting it to a free fall, from a predetermined height into a surface, under prescribed conditions.
Technique for measuring the durability of a part or material by subjecting it to a free fall, from a predetermined height into a surface, under prescribed conditions.
Fabric Terminology for Composite Materials
Definition of terms used to describe engineering fabrics.
Definition of terms used to describe engineering fabrics.
Ambient Temperature
The temperature of the medium surrounding an object.
The temperature of the medium surrounding an object.
Brookfield Viscometer
The Brookfield Synchro-Lectric Viscometer is an instrument used for measuring the viscosity of plastisols and other liquids of a thixotropic nature.
The Brookfield Synchro-Lectric Viscometer is an instrument used for measuring the viscosity of plastisols and other liquids of a thixotropic nature.
Secant Modulus
The slope of the line connecting the origin and a given point on the stress-strain curve, or the ratio of nominal stress to corresponding strain at any specified point on the stress-strain curve expressed in force per unit area.
The slope of the line connecting the origin and a given point on the stress-strain curve, or the ratio of nominal stress to corresponding strain at any specified point on the stress-strain curve expressed in force per unit area.
Deburr
The removal of undesirable sharp edges, burrs and fins remaining on a manufacture part after completion of finish machining processes.
The removal of undesirable sharp edges, burrs and fins remaining on a manufacture part after completion of finish machining processes.
Sieving
Separation of a mixture of various-sized particles, either dry or suspended in a liquid, into two or more portions, by passing through screens of specified mesh sizes.
Separation of a mixture of various-sized particles, either dry or suspended in a liquid, into two or more portions, by passing through screens of specified mesh sizes.
Coupling Agent
A chemical substance capable of reacting with both the reinforcement and the resin matrix of a composite material.
A chemical substance capable of reacting with both the reinforcement and the resin matrix of a composite material.
Hoop Stress
The circumferential stress in a material of cylindrical form subjected to internal or external pressure.
The circumferential stress in a material of cylindrical form subjected to internal or external pressure.
Central Axis
An axis lying within a plane and passing through the centroid of the area.
An axis lying within a plane and passing through the centroid of the area.
Compression Molding
A method of molding in which the molding material, generally preheated, is first placed in an open, heated mold cavity.
A method of molding in which the molding material, generally preheated, is first placed in an open, heated mold cavity.
Composite Materials Glossary - A
Index for the Dictionary of Composite Materials Technology - A
Index for the Dictionary of Composite Materials Technology - A
Aldila Introduces New Graphite Golf Shafts
Aldila is introducing two new HM-40 graphite golf shafts.
Aldila is introducing two new HM-40 graphite golf shafts.
Aprotic Solvent
An organic solvent that does not exchange protons with a substance dissolved in it.
An organic solvent that does not exchange protons with a substance dissolved in it.
Viscous Flow
A type of fluid movement in which all particles of the fluid, flow in a straight line parallel to the axis of a containing pipe or channel with little or no mixing or turbidity.
A type of fluid movement in which all particles of the fluid, flow in a straight line parallel to the axis of a containing pipe or channel with little or no mixing or turbidity.
Viscometer
An instrument used for measuring the viscosity and flow properties of fluids.
An instrument used for measuring the viscosity and flow properties of fluids.
Coefficient of Linear Expansion
The change in length per unit length resulting from a one degree rise in temperature, expressed in degrees.
The change in length per unit length resulting from a one degree rise in temperature, expressed in degrees.
Resin Transfer Molding
A closed-mold pressure injection system which allows for faster gel and cure times as compared to contact molded parts.
A closed-mold pressure injection system which allows for faster gel and cure times as compared to contact molded parts.
Woven Fabric
A planar structure produced by interlacing two or more sets of yarns, fibers, rovings, or filaments where the elements pass each other essentially at right angles and one set of elements is parallel to the fabric axis.
A planar structure produced by interlacing two or more sets of yarns, fibers, rovings, or filaments where the elements pass each other essentially at right angles and one set of elements is parallel to the fabric axis.
Sheet Molding Compound
A fiber glass reinforced thermosetting compound in sheet form, usually rolled into coils interleaved with plastic film to prevent autoadhesion.
A fiber glass reinforced thermosetting compound in sheet form, usually rolled into coils interleaved with plastic film to prevent autoadhesion.
Turbostratic
A type of crystalline structure where the basal planes have slipped sideways relative to each other, causing the spacing between planes to be greater than ideal.
A type of crystalline structure where the basal planes have slipped sideways relative to each other, causing the spacing between planes to be greater than ideal.
Banbury Mixer
An apparatus used for mixing or compounding plastics and interspersing reinforcing fillers in a resin system.
An apparatus used for mixing or compounding plastics and interspersing reinforcing fillers in a resin system.
Carbitol
Monoethyl ether of diethylene glycol; a water-miscible solvent.
Monoethyl ether of diethylene glycol; a water-miscible solvent.
Thermogravimetric Analysis
A testing procedure in which changes in weight of a specimen are recorded as the specimen is heated in air or in a controlled atmosphere such as nitrogen.
A testing procedure in which changes in weight of a specimen are recorded as the specimen is heated in air or in a controlled atmosphere such as nitrogen.
Lincoln Composites Builds Largest CNG Fuel Tank
Lincoln Composites has designed, manufactured, and qualified the largest natural gas vehicle (NGV) fuel tank in the world. These tanks allow the cost of the CNG package of the vehicle to be lowered by hundreds of dollars while also reducing the vehicle weight by hundreds of pounds.
Lincoln Composites has designed, manufactured, and qualified the largest natural gas vehicle (NGV) fuel tank in the world. These tanks allow the cost of the CNG package of the vehicle to be lowered by hundreds of dollars while also reducing the vehicle weight by hundreds of pounds.
Drilling Graphite - Composite Materials
The best drill bits for drilling graphite, from your About.com Guide
The best drill bits for drilling graphite, from your About.com Guide
Flexural Strength
The strength of a material in bending, expressed as the stress on the outermost fibers of a bent test specimen, at the instant of failure.
The strength of a material in bending, expressed as the stress on the outermost fibers of a bent test specimen, at the instant of failure.
Compression Set
The amount of deformation (expressed as a percentage of original dimensions) which a material retains after compressive stress is released.
The amount of deformation (expressed as a percentage of original dimensions) which a material retains after compressive stress is released.
K-Value
(1) A number calculated from dilute solution viscosity measurements of a polymer, used to denote degree of polymerization or molecular size.
(1) A number calculated from dilute solution viscosity measurements of a polymer, used to denote degree of polymerization or molecular size.
Bismaleimide Resins
These addition-type polyimides or maleimide-based polyimides are used in high performance structural composites requiring higher temperature use and increased toughness.
These addition-type polyimides or maleimide-based polyimides are used in high performance structural composites requiring higher temperature use and increased toughness.
Extruder
A machine for producing more or less continuous lengths of plastic sections.
A machine for producing more or less continuous lengths of plastic sections.
Emerging Applications of Ceramic and Metal Matrix Composites
Many of the 500 papers presented during the 27th Annual Cocoa Beach Conference & Exposition on Advanced Ceramics & Composites focused on composites, both ceramic and metal matrix, and discussed mechanical behavior, design, fibers/interfaces, processing, and applications. Potential applications under development include components for armor, nuclear energy, and automobiles.
Many of the 500 papers presented during the 27th Annual Cocoa Beach Conference & Exposition on Advanced Ceramics & Composites focused on composites, both ceramic and metal matrix, and discussed mechanical behavior, design, fibers/interfaces, processing, and applications. Potential applications under development include components for armor, nuclear energy, and automobiles.
Thermal Capacity
The quantity of heat necessary to produce a unit change of temperature in a unit mass of a substance.
The quantity of heat necessary to produce a unit change of temperature in a unit mass of a substance.
Amorphous Silica
A naturally occurring or synthetically produced oxide of silicon characterized by the absence of pronounced crystalline structure, and which has no sharp peaks in its X-ray diffraction pattern.
A naturally occurring or synthetically produced oxide of silicon characterized by the absence of pronounced crystalline structure, and which has no sharp peaks in its X-ray diffraction pattern.
Bearing Stress
maximum load specimen stress: The applied load divided by the bearing area.
maximum load specimen stress: The applied load divided by the bearing area.
Cellulose Fibers, Natural
Natural fibers of cellulose have been used as a reinforcement material, e.
Natural fibers of cellulose have been used as a reinforcement material, e.
Material Properties Generic E-Glass Epoxy
Material properties of generic E-glass epoxy unidirectional prepreg.
Material properties of generic E-glass epoxy unidirectional prepreg.
Linear Expansion
The increase of a planar dimension, measured by the linear elongation of a sample in the form of a beam which is exposed to two given temperatures.
The increase of a planar dimension, measured by the linear elongation of a sample in the form of a beam which is exposed to two given temperatures.
Abrasion Resistance
The ability of a material to withstand mechanical action such as rubbing, scraping, or erosion, that tends progressively to remove material from its surface.
The ability of a material to withstand mechanical action such as rubbing, scraping, or erosion, that tends progressively to remove material from its surface.
Pot Life
The length of time that a catalyzed resin system retains a viscosity low enough to be used in processing.
The length of time that a catalyzed resin system retains a viscosity low enough to be used in processing.
Sieve Analysis
A determination of the proportions of particles lying within certain size ranges in a granular material by separation on sieves of different size openings.
A determination of the proportions of particles lying within certain size ranges in a granular material by separation on sieves of different size openings.
Flexural Modulus
The ratio, within the elastic limit, of the applied stress on a test specimen in flexure, to the corresponding strain in the outermost fibers of the specimen.
The ratio, within the elastic limit, of the applied stress on a test specimen in flexure, to the corresponding strain in the outermost fibers of the specimen.
Thermal Stability
The resistance to permanent change in properties caused solely by heat.
The resistance to permanent change in properties caused solely by heat.
Anti-Foaming Agent
An additive which reduces the surface tension of a solution or emulsion, thus inhibiting or modifying the formation of a foam.
An additive which reduces the surface tension of a solution or emulsion, thus inhibiting or modifying the formation of a foam.
Material Properties T300/5208 Carbon Epoxy
Material properties of T300/5208 carbon epoxy unidirectional prepreg.
Material properties of T300/5208 carbon epoxy unidirectional prepreg.
Elongation at Break
Elongation recorded at the moment of rupture of the specimen, often expressed as a percentage of the original length.
Elongation recorded at the moment of rupture of the specimen, often expressed as a percentage of the original length.
Coextrusion
The process of extruding two or more materials through a single die with two or more orifices arranged so that the extrudates merge and weld together into a laminar structure before chilling.
The process of extruding two or more materials through a single die with two or more orifices arranged so that the extrudates merge and weld together into a laminar structure before chilling.
Composite Materials - The Pultrusion Process: 10/13/97 from About.com
An overview of the pultrusion manufacturing process, from your Mining Company Guide
An overview of the pultrusion manufacturing process, from your Mining Company Guide
Bulk Polymerization
The polymerization of a monomer in the absence of any medium other than a catalyst or accelerator.
The polymerization of a monomer in the absence of any medium other than a catalyst or accelerator.
Dissipation Factor-Electrical
The ratio of the power loss in a dielectric material to the total power transmitted through the dielectric, the imperfection of the dielectric.
The ratio of the power loss in a dielectric material to the total power transmitted through the dielectric, the imperfection of the dielectric.
Essential Composite Materials Reference Books
library reference books asm intl new composites asm international undergraduate textbook: The three books every composites engineer needs.
library reference books asm intl new composites asm international undergraduate textbook: The three books every composites engineer needs.
Cold Flow
The distortion, deformation, or dimensional change which takes place in materials under continuous load at temperatures within the working range (cold flow is not due to heat softening).
The distortion, deformation, or dimensional change which takes place in materials under continuous load at temperatures within the working range (cold flow is not due to heat softening).
Stand-Alone System
A system that is completely operational without requiring external support.
A system that is completely operational without requiring external support.
Lear Introduces Plant Fiber Reinforced Plastics for Auto Interiors
Lear Corporation has introduced two new polymer composites reinforced with plant fibers for use in automotive interiors.
Lear Corporation has introduced two new polymer composites reinforced with plant fibers for use in automotive interiors.
Viscosity, Intrinsic
A measure of the capability of a polymer in solution to enhance the viscosity of the solution.
A measure of the capability of a polymer in solution to enhance the viscosity of the solution.
Moment Arm
The perpendicular distance from an axis to the line of action of a force.
The perpendicular distance from an axis to the line of action of a force.
Melt Index
The amount, in grams, of a thermoplastic resin which can be forced through an extrusion rheometer orifice of 0.0825 inch diameter when subjected to a force of 2160 grams in ten minutes at 190 C.
The amount, in grams, of a thermoplastic resin which can be forced through an extrusion rheometer orifice of 0.0825 inch diameter when subjected to a force of 2160 grams in ten minutes at 190 C.
Complex Viscosity of a Fluid
A frequency-dependent viscosity function determined during forced harmonic oscillation of shear stress.
A frequency-dependent viscosity function determined during forced harmonic oscillation of shear stress.
Volume Resistivity
The ratio of the potential gradient parallel to the current in a material, to the current density.
The ratio of the potential gradient parallel to the current in a material, to the current density.
Blowing Agent
Any substance which alone or in combination with other substances is capable of producing a cellular structure in a plastic.
Any substance which alone or in combination with other substances is capable of producing a cellular structure in a plastic.
Water Vapor Permeability
The rate of water vapor transmission per unit area per unit of vapor pressure differential under test conditions.
The rate of water vapor transmission per unit area per unit of vapor pressure differential under test conditions.
Golf Club Market Report
A recent market report predicts a growth rate of over 25% annually in the Chinese and Indian golf club market. As the demand for high performance products has increased, carbon fiber composites have overtaken steel as the material of choice for golf shafts.
A recent market report predicts a growth rate of over 25% annually in the Chinese and Indian golf club market. As the demand for high performance products has increased, carbon fiber composites have overtaken steel as the material of choice for golf shafts.
Dielectric Loss
A loss of energy which eventually produces a rise in temperature of a dielectric placed in an alternating electrical field.
A loss of energy which eventually produces a rise in temperature of a dielectric placed in an alternating electrical field.
Greige Goods
Textiles that have not received any bleaching, dyeing or finishing treatment after being produced by a textile process (pronounced gray).
Textiles that have not received any bleaching, dyeing or finishing treatment after being produced by a textile process (pronounced gray).
Fundamental Stiffness Formulas for Sandwich Components
Section 1.3 of MIL-HDBK-23A, fundemantal stiffness formuals for structural sandwich composites.
Section 1.3 of MIL-HDBK-23A, fundemantal stiffness formuals for structural sandwich composites.
Working Standard
nbsp definition: A secondary standard in regular use.
nbsp definition: A secondary standard in regular use.
Suspension Polymerization
A polymerization process in which the monomer, or mixture of monomers, is dispersed by mechanical agitation in a liquid phase, usually water, in which the monomer droplets are polymerized while they are dispersed by continuous agitation.
A polymerization process in which the monomer, or mixture of monomers, is dispersed by mechanical agitation in a liquid phase, usually water, in which the monomer droplets are polymerized while they are dispersed by continuous agitation.
Stress-Strain Diagram
The curve which results from plotting the applied stress on a test specimen in tension versus the corresponding strain.
The curve which results from plotting the applied stress on a test specimen in tension versus the corresponding strain.
DuPont Automotive Safety Initiative Leverages Composites
DuPont's new automotive safety initiative leverages existing products to improve vehicle safety. Applications include Kevlar and Nomex fibers for door and bumper beam structural reinforcements.
DuPont's new automotive safety initiative leverages existing products to improve vehicle safety. Applications include Kevlar and Nomex fibers for door and bumper beam structural reinforcements.
C-Glass
A special type of glass used as a fiber reinforcement, made and applied specifically for high chemical resistance.
A special type of glass used as a fiber reinforcement, made and applied specifically for high chemical resistance.
Methoxyl Group
The monovalent group, -OCH3, characteristic of methyl alcohol and its esters or ethers.
The monovalent group, -OCH3, characteristic of methyl alcohol and its esters or ethers.
Composite Wing Section - Composite Materials - Date: 11/24/97
Design of a typical composite wing, from your About.com Guide
Design of a typical composite wing, from your About.com Guide
Top 20 Engineering Achievements of the 20th Century
Neil Armstrong announced the 20 top engineering achievements of the 20th Century at a National Academvy of Engineering NAE meeting
Neil Armstrong announced the 20 top engineering achievements of the 20th Century at a National Academvy of Engineering NAE meeting
Lap Winding
A variation of the filament winding process, consisting of convolutely winding a resin-impregnated tape onto a mandrel of the desired configuration.
A variation of the filament winding process, consisting of convolutely winding a resin-impregnated tape onto a mandrel of the desired configuration.
Material Specification
The specification applicable to a raw material (such as monomer reactant) or a semi-fabricated material (such as prepreg) which are used in the fabrication of a product.
The specification applicable to a raw material (such as monomer reactant) or a semi-fabricated material (such as prepreg) which are used in the fabrication of a product.
Crocus Cloth
An iron-oxide coated abrasive cloth, used as a polishing agent after most of the work has been done with emery or aluminum oxide.
An iron-oxide coated abrasive cloth, used as a polishing agent after most of the work has been done with emery or aluminum oxide.
Trade Name Index (A - B) - Composite Materials
Composite materials listed by trade name, from your About.com Guide
Composite materials listed by trade name, from your About.com Guide
Toray Revises FY2002 Sales and Earnings Forecast Downwards
Toray has revised its fiscal year 2002 earnings and sales downwards. Sales are expected to be flat to slightly lower, while income will decrease significantly.
Toray has revised its fiscal year 2002 earnings and sales downwards. Sales are expected to be flat to slightly lower, while income will decrease significantly.
Faying Surface
The surface of a material in contact with another to which it is or will be joined.
The surface of a material in contact with another to which it is or will be joined.
Endurance Limit
The stress level below which a specimen will withstand cyclic stress indefinitely without exhibiting fatigue failure.
The stress level below which a specimen will withstand cyclic stress indefinitely without exhibiting fatigue failure.
Honeycomb Manufacturing and Elastic Properties
Because of the way it is manufactured, honeycomb has one direction which is stronger and stiffer.
Because of the way it is manufactured, honeycomb has one direction which is stronger and stiffer.
St. Venant's Principle
The difference between the stresses caused by statically equivalent load systems is insignificant at distances greater than the largest dimension of the area over which the loads are acting.
The difference between the stresses caused by statically equivalent load systems is insignificant at distances greater than the largest dimension of the area over which the loads are acting.
Shear Rate
The overall velocity over the cross section of a channel with which molten or fluid layers are gliding along each other, or along the wall, in laminar flow.
The overall velocity over the cross section of a channel with which molten or fluid layers are gliding along each other, or along the wall, in laminar flow.
Young's Modulus
The ratio of tensile stress to tensile strain below the proportional limit.
The ratio of tensile stress to tensile strain below the proportional limit.
Materials Database - Composite Materials
Search the MatWeb Database for material properties, from your About.com Guide
Search the MatWeb Database for material properties, from your About.com Guide
Looking for Jobs in the Composite Materials Industry
Some advice on job hunting in the composites industry, based on personal experience
Some advice on job hunting in the composites industry, based on personal experience
Diallyl Phthalate
In the monomeric form, a colorless liquid ester widely used as a cross-linking monomer for unsaturated polyester resins, and as a polymerizable plasticizer for many resins.
In the monomeric form, a colorless liquid ester widely used as a cross-linking monomer for unsaturated polyester resins, and as a polymerizable plasticizer for many resins.
Glass Fiber Reinforcements
A family of reinforcing materials for reinforced plastics based on single filaments of glass ranging in diameter from 3 to 19 micrometers.
A family of reinforcing materials for reinforced plastics based on single filaments of glass ranging in diameter from 3 to 19 micrometers.
Curing Agents
Substances or mixtures of substances added to a polymer composition to promote or control the curing reaction.
Substances or mixtures of substances added to a polymer composition to promote or control the curing reaction.
Silane Coupling Agents
Silanes and other monomeric silicon compounds have the ability to bond inorganic materials such as glass, mineral fillers, metals and metallic oxides to organic resins.
Silanes and other monomeric silicon compounds have the ability to bond inorganic materials such as glass, mineral fillers, metals and metallic oxides to organic resins.
Fiber-Reinforced Plastic
A composite structural material containing high-strength fibrous embedded reinforcements which develop mechanical properties greatly superior than the base resin.
A composite structural material containing high-strength fibrous embedded reinforcements which develop mechanical properties greatly superior than the base resin.
Hydroxyl Value
A measure of hydroxyl (univalent OH) groups in an organic material.
A measure of hydroxyl (univalent OH) groups in an organic material.
Spiral Flow Test
A method for determining the flow properties of a thermoplastic or thermosetting resin based on the distance it will flow, under controlled conditions of pressure and temperature, along a spiral runner of constant cross section.
A method for determining the flow properties of a thermoplastic or thermosetting resin based on the distance it will flow, under controlled conditions of pressure and temperature, along a spiral runner of constant cross section.
Loss Modulus
(1) A damping term (psi) describing the dissipation of energy into heat when a material is deformed.
(1) A damping term (psi) describing the dissipation of energy into heat when a material is deformed.
Water Absorption
(1) The amount of water absorbed by a composite material when immersed in water for a stipulated period of time.
(1) The amount of water absorbed by a composite material when immersed in water for a stipulated period of time.
Material Properties CFS003/LTM25 Carbon Epoxy
Material properties of CFS003/LTM25 carbon epoxy twill fabric prepreg.
Material properties of CFS003/LTM25 carbon epoxy twill fabric prepreg.
Adsorption Chromatography
The analytical separation of a chemical mixture (gas or liquid) by passing it over an adsorbent bed that adsorbs different compounds at different rates.
The analytical separation of a chemical mixture (gas or liquid) by passing it over an adsorbent bed that adsorbs different compounds at different rates.
Stiffener
A stringer or other light structural member used to maintain shape or give rigidity to structures of stressed skin construction.
A stringer or other light structural member used to maintain shape or give rigidity to structures of stressed skin construction.
Polyester Fiber
Generic name for a manufactured fiber in which the fiber-forming substance is any long chain synthetic polymer composed of at least 85 % by weight of an ester of dihydric alcohol and terephthalic acid which is derived from polyethylene terephthalate.
Generic name for a manufactured fiber in which the fiber-forming substance is any long chain synthetic polymer composed of at least 85 % by weight of an ester of dihydric alcohol and terephthalic acid which is derived from polyethylene terephthalate.
Photovoltaic Fabrics Combine Cloth with Solar Cells
A new type of synthetic fibers can generate electricity when exposed to light. Applications range from clothing to flexible solar arrays.
A new type of synthetic fibers can generate electricity when exposed to light. Applications range from clothing to flexible solar arrays.
Material Properties AS4/APC2 Carbon PEEK
Material properties of AS4/APC2 carbon PEEK unidirectional prepreg.
Material properties of AS4/APC2 carbon PEEK unidirectional prepreg.
FiberSIM Software Now Available on CATIA V5
VISTAGY announced the availability of its FiberSIM 4.0 software for use on the CATIA V5 platform. FiberSIM software, which creates a specialized CAD-integrated environment for designing and manufacturing composite parts, will be fully functional within CATIA V5.
VISTAGY announced the availability of its FiberSIM 4.0 software for use on the CATIA V5 platform. FiberSIM software, which creates a specialized CAD-integrated environment for designing and manufacturing composite parts, will be fully functional within CATIA V5.
Man-Made Fiber
A class name for various fibers (including filaments) synthetically produced from fiber-forming substances which usually refer to all chemically produced fibers to distinguish them from truly natural fibers such as cotton, wool, silk, flax, etc.
A class name for various fibers (including filaments) synthetically produced from fiber-forming substances which usually refer to all chemically produced fibers to distinguish them from truly natural fibers such as cotton, wool, silk, flax, etc.
Nucleating Agents
Chemical substances which when incorporated in plastics form nuclei for the growth of crystals in the polymer melt.
Chemical substances which when incorporated in plastics form nuclei for the growth of crystals in the polymer melt.
Oxirane
nbsp definition ethylene oxide oxygen atom synonym oxirane: (1) Epoxide.
nbsp definition ethylene oxide oxygen atom synonym oxirane: (1) Epoxide.
Aging Test
One in which materials are subjected or exposed to degradation factors.
One in which materials are subjected or exposed to degradation factors.
Glare: History of the Development of a New Aircraft Material
delft university of technology fiber metal laminate glass composites a380 jumbo jet technology delft:
delft university of technology fiber metal laminate glass composites a380 jumbo jet technology delft:
Composite Materials Glossary - D
Index for the Dictionary of Composite Materials Technology - D
Index for the Dictionary of Composite Materials Technology - D
Geopolymer Composites: A Ceramic Alternative to Polymer Matrices
The 105th Annual Meeting and Exposition of the American Ceramic Society covered a wide range of topics. As part of the symposium on ceramic matrix composites, a special session on geopolymer composites was held. First developed in France several decades ago, geopolymers are being investigated as an alternative to organic matrices.
The 105th Annual Meeting and Exposition of the American Ceramic Society covered a wide range of topics. As part of the symposium on ceramic matrix composites, a special session on geopolymer composites was held. First developed in France several decades ago, geopolymers are being investigated as an alternative to organic matrices.
Composite Materials Glossary - Abbreviations and Acronyms
Abbreviations and acronyms from the composite materials glossary
Abbreviations and acronyms from the composite materials glossary
Decantation
(1) Pouring of siphoning off the liquid from a precipitate or sediment.
(1) Pouring of siphoning off the liquid from a precipitate or sediment.
Fiber Volume Fraction of a Composite Materials
glass fiber composites hydrogen peroxide chemical digestion volume fraction fiber volume: The volume of fiber in a cured composite.
glass fiber composites hydrogen peroxide chemical digestion volume fraction fiber volume: The volume of fiber in a cured composite.
Tape Test
A method for evaluating the adhesion of a cured coating on a substrate.
A method for evaluating the adhesion of a cured coating on a substrate.
Scotch Tape Test
A method for evaluating the adhesion of a coating to a substrate.
A method for evaluating the adhesion of a coating to a substrate.
Apparent Specific Gravity
The specific gravity of a porous solid when the volume used in the calculations is considered to exclude the permeable voids.
The specific gravity of a porous solid when the volume used in the calculations is considered to exclude the permeable voids.
Graft Polymer
A polymer comprising molecules in which the main backbone chain of atoms has attached to it at various points side chains containing different atoms or groups from those in the main chain.
A polymer comprising molecules in which the main backbone chain of atoms has attached to it at various points side chains containing different atoms or groups from those in the main chain.
Dielectric Constant
(e) (1) That property of a dielectric which determines the electrostatic energy stored per unit volume for unit potential.
(e) (1) That property of a dielectric which determines the electrostatic energy stored per unit volume for unit potential.
Elastic Strain Energy
The potential energy stored in a strained solid equal to the work performed in deforming the solid from its unstrained state less any energy dissipated by inelastic deformation.
The potential energy stored in a strained solid equal to the work performed in deforming the solid from its unstrained state less any energy dissipated by inelastic deformation.
Modulus of Resilience
The energy that can be absorbed per unit volume without creating a permanent distortion.
The energy that can be absorbed per unit volume without creating a permanent distortion.
Prepreg
molding compounds resin content nbsp definition thickening agent mold: Short for preimpregnated.
molding compounds resin content nbsp definition thickening agent mold: Short for preimpregnated.
Dielectric Test
The application of a higher than rated voltage for a specified time, in order to determine the capability of insulating materials to withstand breakdown.
The application of a higher than rated voltage for a specified time, in order to determine the capability of insulating materials to withstand breakdown.
Emery Cloth
Abrasive coated cloth used for light polishing of metal.
Abrasive coated cloth used for light polishing of metal.
Radiographic Testing
A nondestructive method for the detection of internal defects in castings, welds or forgings by exposure to x-ray or gamma ray radiation.
A nondestructive method for the detection of internal defects in castings, welds or forgings by exposure to x-ray or gamma ray radiation.
Adhesion Promoter
A substance which is applied to a substrate to improve the adhesion of a coating to the substrate.
A substance which is applied to a substrate to improve the adhesion of a coating to the substrate.
Basic Design Principals of Structural Sandwich Composites
Section 1.2 of MIL-HDBK-23A, basic design principles of structural sandwich composites..
Section 1.2 of MIL-HDBK-23A, basic design principles of structural sandwich composites..
Statically Determinate Structure
A structure whose internal load distributions may be fully determined using the six equations of three-dimensional statics without using deflection and stiffness criteria.
A structure whose internal load distributions may be fully determined using the six equations of three-dimensional statics without using deflection and stiffness criteria.
Residual Error
The variability that remains in a set of measurements after all the main effects and interactions have been segregated.
The variability that remains in a set of measurements after all the main effects and interactions have been segregated.
Shear Load
Any applied external, translational load which creates shear stresses in a reacting structure.
Any applied external, translational load which creates shear stresses in a reacting structure.
Textile Materials
General term for fibers, yarn intermediates, yarns, fabrics, and products made from fabrics.
General term for fibers, yarn intermediates, yarns, fabrics, and products made from fabrics.
True Density
The density of a porous solid defined as the ratio of its mass to its true volume.
The density of a porous solid defined as the ratio of its mass to its true volume.
Homopolymer
A polymer resulting from the polymerization of a single monomer; a polymer consisting substantially of a single type of repeating unit.
A polymer resulting from the polymerization of a single monomer; a polymer consisting substantially of a single type of repeating unit.
Electroless Plating
The deposition of metals on a catalytic surface from solution without an external source of current.
The deposition of metals on a catalytic surface from solution without an external source of current.
Extrudate
The product or material that is forced through a shaping orifice as a continuous body.
The product or material that is forced through a shaping orifice as a continuous body.
Anelasticity
Dependence of elastic strain on both stress and time.
Dependence of elastic strain on both stress and time.
Antifogging Agents
Plastic additives which prevent or reduce the condensation of water in the form of small droplets which resemble fog.
Plastic additives which prevent or reduce the condensation of water in the form of small droplets which resemble fog.