Consider specialty compounds to take advantage of growing interest in molded liquid silicone rubber. Advantages of silicone rubbers include flexibility, thermal stability over a broad temperature range, resistance to solvents, and excellent biocompatibility. Silicones are increasingly being selected by design engineers for valve seats or hoses in autos and aircraft, where their resistance to solvents can be boosted through incorporation of fluorosilicones. Polyurethane is added to improve tear strength for some medical applications. New developments in specialty compounding were reviewed by Mary Krenceski, a research scientist at Extreme Molding in Watervliet, NY at Molding 2008.
A composite based on a high-performance PEEK-like resin we told you about two years ago when it was still in R&D has now been licensed by the US Naval Research Laboratory (NRL) for commercial manufacturing.
Microsoft, HP, Dassault, and other industry heavyweights in 3D printing have launched a new 3DP file format, 3MF. The consortium says the spec will more fully describe a 3D model and will be interoperable with multiple applications, platforms, services, and printers.
NASA's been working on several different ongoing projects for 3D-printed rocket engine components in metals and now it's reached another first in aerospace 3D printing: a full-scale, 3D-printed rocket engine component made of copper.
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