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A Round Robin Programme was established by a working group of Commission X in 1997 in order to evaluate the possibilities of residual stress and distortion prediction (RSDP) in welded structures and to validate and benchmark prediction codes based on finite element simulation of the welding process. Calculations on residual tresses have been carried out on an austenitic steel plate with well-defined...
New tool materials are needed for efficient and high-grade finishing of difficult-to-work materials such as cladded and sprayed layers, cast iron and hardened steels. Advanced superhard materials based on diamond are in common use. However, cubic boron nitride (CBN), as a material for efficient tools, seems to be better than natural diamond. Obtaining reliable cubic boron nitride-tungsten carbide...
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