Self-Assembling Nanotube Structures Based on DNA
04/13/01 Researchers at Purdue University have developed a method for creating self-assembling nanotube structures, using the same principle behind DNA strand linking. Composite Superconductors
04/11/01 A new class of superconductors uses boron fibers as superconductivity wire for composite materials.
Metal Powder Rapid Prototyping
04/09/01 A mew rapid prototyping process fuses metal powder using a laser. One potential application is molds for plastics. The process can create, for example, curved cooling channels, and integral coatings of different metals. Self-Assembling Polymer Nanostructures
04/09/01 Researchers at Georgia Tech have developed a simple technique for creating polymeric structures containing closely-packed air bubbles of uniform size. New Composite Material Reverses Snell's Law
04/09/01 A new composite made from fiberglass and copper wires bends microwaves in the direction opposite that predicted by Snell's Law. This is the first known material with a negative index of refraction. New Rubbery Plastics Developed from Inexpensive Feedstock
04/06/01 A new class of rubbery plastics developed at Cornell use ethylene and polyethylene, two inexpensive petroleum products, as feedstock. Protective Polymer Coating Cross-links with Ambient Oxygen
04/06/01 Researchers at Virginia Tech are developing polymer coating that harden, or cross-link, from oxygen normally present in the atmosphere. Polymer Surface Modifier Controls Surface Solubility
04/06/01 A new type of polymer surface modifier reverses the polarity of molecules on a surface, allowing tuning of surface solubility. This allows tighter control over what substances will stick to the surface. Biomedical Polymer Turns from Liquid to Gel Instantly
04/02/01 A new polymer turns from a liquid into a gel almost instantly in response to external stimulus. The polymer has applications in targeted drug delivery. Polymer-Clay Nanocomposites Exhibit Unique Properties
04/02/01 The addition of small amounts of clay to polymers reduces permeability to liquids and gases, and increases flame resistance and toughness. Reverse Brazil Nut Effect
04/02/01 Shake a can of mixed nuts and the larger ones - such as Brazil nuts - end up on top. Researchers at Lehigh University have recently shown that the opposite can happen - the Brazil nuts end up on the bottom. The effect has practical implications, such as in the manufacture of solid rocket propellant. Artificial Spider Silk
04/02/01 Spider silk has promising structural properties, but manufacturing challenges remain to be solved before it can be made in sufficient quantity and quality for structural applications. Rapid Manufacturing
04/02/01 Three-dimensional printing technology developed at MIT allows for true rapid manufacturing, not just rapid prototyping. Therics has licensed the process for medical and pharmaceutical applications. Triton Systems Uses SBIR Program to Develop New Materials
03/26/01 Triton Systems is a materials development company that gets most of its funding from the SBIR program. Inventions include SmartBond for bonding composites and various metal matrix composites. New Mass Spectrometer Offers Improved Capabilities
03/26/01 The new High Performance Mass Spectrometer Laboratory at the University of Arkansas will be the first public facility to offer high-resolution laser desorption mass spectrometry. Atomic Structure of Piezoelectric Materials
03/26/01 Researchers have identified the specific atomic arrangement that underlies the behavior of the substances with the strongest piezoelectric properties. Negative Stiffness Materials
03/26/01 Negative stiffness materials are unstable, either flying apart or collapsing under load. But combine them with positive stiffness materials, and overall structural stiffness can actually increase. NMR Reveals Properties of Spider Silk
03/26/01 Researchers at Cornell University are using customized NMR equipment to study the protein structure of natural spider silk. The results should help to improve artificial silk. Moldite Structural Sandwich Material
03/22/01 Venture Industries and Moldite have introduced a new sandwich material called Moldite. The core material has a higher tensile strength than the skins, which can be carbon, glass or aramid composites. Organic Metals
03/16/01 A 1977 paper that led to last year's Nobel Prize in chemistry was the inspiration for a new class of polymers that are true metals. Superconducting Plastic
03/14/01 Researchers at Bell Labs have developed a plastic that is superconducting at 4 Kelvin. This is the first superconducting polymer. Alternate source. Boron Nitride Nanotubes
03/09/01 Carbon nanotubes might be getting a lot of press attention, but boron nitride nanotubes might have superior properties, especially in structural applications. Related story. Nanotubes as Strain Gages
03/07/01 Israeli researchers have discovered that carbon nanotubes embedded in a material can act as strain sensors. In the future, nanotube composites could have built-in sensing capabilities. SICOR Surface Treatment for Tough Bonds
03/07/01 A new technology developed in Australia, called SICOR allows the bonding of previously un-bondable materials. SICOR is being used in the new Ford Falcon super coupe. Elephant Grass Composites
03/07/01 Researchers in England are exploring ways to use elephant grass as a reinforcement in plastics. Related story.
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