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• Bonding with Elastic Adhesives
  technique that complements traditional fastening methods. It joins two materials with a layer of permanently elastic adhesive and offers high peel strength, impact resistance, and flexibility. Use is growing in various industries, most notably in the manufacture of domestic appliances, and road...
• Seven Versatile Sealing Materials
  , reinforce materials, alter physical properties, or facilitate final processing. Softeners/plasticizers make polymers more elastic, aid mixing, increase tack, and extend or replace a portion of a polymer's hydrocarbon content. Miscellaneous ingredients include color pigments, blowing agents, odorants...
• Noise Control Materials
  . Damping materials work to reduce the vibration in the material to which they are applied by dissipating the vibrating energy as heat, rather than radiating it as acoustic energy or noise. Damping materials are termed "viscoelastic," having both elastic and viscous properties. Essentially, the material...
• Manufacturer Designs Pharmaceutical-Grade Dry Material Feeder to Meet the Industry's Needs (.pdf)
  in their own pro-. be a widely accepted. duction efforts. This research was conducted in North. polymer used for com-. America and Europe to provide a global picture of the. ponents that have to be. requirements for the product. elastic, nonporous, and. Many design hurdles were discovered during...
• Materials Engineering: TPE-Sheathed Sensors Improve Pedestrian Safety
  and radiator. The device was developed by systems supplier Magna Electronics Europe. The high-performance Hytrel 5556 TPE from DuPont, Wilmington, Del., resists aging and remains highly elastic at temperature extremes. "Its nearness to the radiator and exposure to solar radiation may force it to work at 85 C...
• Optical Comparators in Medical Device Manufacturing
  New England Precision Grinding (NEPG) of Holliston, MA produces micro-ground wire from 304 stainless steel and super-elastic nitinol to meet the precise demands of medical devices. Established in 1987, NEPG has developed a proprietary centerless grinding process for ever-smaller devices to meet...
• Getting to the bottom of failed parts
  works well for brittle fracture -- mostly elastic behavior with little plastic deformation. Ductile materials, on the other hand, experience non-negligible plastic deformation before fracture. Thus, an analysis of ductile material uses the so-called J-integral defined as: Here, W = strain-energy...
• FEA builds better bridges
  on linear-elastic, small-deflection FEA as the backbone of bridge analysis," says Civil and Engineering Associate Professor Daniel Linzell. "But, in many instances, it is an approximation. It doesn't capture the full range of real-world nonlinear responses in large and complicated structures. So...
• A New "Twist" On Nanostructures
  continues until the furnace reaches about 1,400 C. The nanohelix structures form on a polycrystalline aluminum-oxide substrate. Unlike earlier single-crystal nanosprings which are elastic, nanohelices are rigid and retain their shape even when cut apart. A slight change in the fab process accounts...
• Dual blade swim fins have divers kicking with ease
  a tough, elastic material that would not only snap back to its original position at the end of each stroke but also resist tearing after constant flexing. In conventional swim fins, resilience or "snap" is typically provided by natural rubber formulations, but these materials don't sufficiently...

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