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ELEVATED TEMPERATURE DEFORMATION BEHAVIOR OF IN SITU MULTIPHASE COMPOSITE (NiAl-28Cr-6Mo)TiC |
JIANG Dongtao;GUO Jianting;LI Gusong;SHI Changxu (Institute of Metal Research; Chinese Academy of Sciences; Shenyang 110015) |
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Cite this article:
JIANG Dongtao;GUO Jianting;LI Gusong;SHI Changxu (Institute of Metal Research; Chinese Academy of Sciences; Shenyang 110015). ELEVATED TEMPERATURE DEFORMATION BEHAVIOR OF IN SITU MULTIPHASE COMPOSITE (NiAl-28Cr-6Mo)TiC. Acta Metall Sin, 1998, 34(11): 1143-1148.
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Abstract An intermetallic matrix composite (NiAl-28Cr-6Mo)-TiC has been successfully fabricated by using reaction synthesis method. The elevated temperature deformation behavior of the in situ multiphase composite was investigated. The flow stress decreases with increasing temperature or decreasing initial strain rate. The deformation behavior of the composite can be adequately described by the power law. The stress exponent and activation energy are calculated and compared with other similar NiAl-based composites.
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Received: 18 November 1998
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