Positron Systems has a nondestructive testing technology that detects component fatigue and embrittlement at the atomic level. The patented technology—Photon Induced Positron Annihilation (PIPA)—detects early fatigue and embrittlement in materials before cracks appear. The technology also assesses the remaining useful life of metallic, composite, and polymer materials. This nondestructive testing is said to help companies prevent component failure due to fatigue cracks and safely extend the service life of expensive and critical parts, such as turbine blades, engines, wing spars, landing gear, fuselages, automotive axles, high performance engine parts (i.e. valve springs, pistons), wheels, and transmissions. The PIPA process involves penetrating materials with a photon beam generated by a linear accelerator. This process creates positrons, which are attracted to nano-sized defects in the material. Eventually, the positrons collide with electrons in the material and are annihilated releasing energy in the form of gamma rays. The gamma ray energy spectrum creates a distinct and readable signature of the size, quantity, and type of defects present in the material. The technology was invented by scientists at the U.S. Department of Energy's Idaho National Engineering and Environmental Laboratory and licensed to Positron Systems for commercial use. For more information, call Positron Systems at 208-672-1923, ext. 203 or go to www.positronsystems.
Our LinkedIn systems and product design engineering group discusses if they are happy with their decision of remaining a technical contributor instead of becoming a manager.
Against a backdrop of mounting product complexity and a need to keep a lid on development costs, companies are recognizing a need to make simulation a more integral part of the design process. In response, vendors in the CAD world are building out CAE functionality as part of their CAD suites while simulation vendors are building tighter integrations to leading CAD tools. Keith Meintjes, Ph.D., Practice Manager, Simulation and Analysis at CIMdata, Inc., joins Design News CAD Editor Beth Stackpole in this radio program to explore the new face of integrated CAD and CAE, how companies are benefitting from this tighter partnership between platforms, and how integrating CAE earlier in the development cycle pays off in optimized product designs.
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