Development of SHS/HIP Processing.
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概要
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A variety of new material processing techniques have been developed by combining Self-prop-agating High-temperature Synthesis (SHS) with HIP technology. SHS/HIP nitriding makes it possible to produce unique complex powders, such as Si<SUB>3</SUB>N<SUB>4</SUB>-SiC and NbN<SUB>1-x</SUB>C<SUB>x</SUB>, or nitrided Ti and Nb components. SHS/HIP sintering can be used to fabricate new composites such as functionally gradient materials. SHS/HIP casting completes the sysnthesis and simultaneously forms the NiAl intermetallic. Accompanied by chemical heats of 2000 K or more, these processes can be completed within instants. This paper reviews recent developments in the SHS/HIP process and the resulting materials.