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| CAST Fe-Cr-Ni MATRIX COMPOSITE REINFORCED BY TiC_p SYNTHESIZED WITH LIQUID STATE IN SITU PROCESS |
| HUI Xidong; WANG Zhifu; YANG Yuansheng; WU Xinqiang; CHEN Xichen (Institute of Metal Research; The Chinese Academy of Sciences; Shenyang 110015)(Shandong University of Technology; Jinan 250061)(Institute of Physics; The Chinese Academy of Sciences; Beijing 100080)Correspondent: HUI Xidong; Tel: (024)23843531-55963; Fax: (024)23891320 |
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Cite this article:
HUI Xidong; WANG Zhifu; YANG Yuansheng; WU Xinqiang; CHEN Xichen (Institute of Metal Research; The Chinese Academy of Sciences; Shenyang 110015)(Shandong University of Technology; Jinan 250061)(Institute of Physics; The Chinese Academy of Sciences; Beijing 100080)Correspondent: HUI Xidong; Tel: (024)23843531-55963; Fax: (024)23891320. CAST Fe-Cr-Ni MATRIX COMPOSITE REINFORCED BY TiC_p SYNTHESIZED WITH LIQUID STATE IN SITU PROCESS. Acta Metall Sin, 1998, 34(10): 1115-1120.
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Abstract The microstructure and mechanical properties of cast Fe-Cr-Ni matrix composite reinforced by TiCp synthesized with liquid state in site process have beed studied. Thecomposite is composed of γ-matrix and spherical or nodular TiC phase which is dispersed inmatrix uniformly with sizes of 1 -5μm. The interface between γ and TiC phase is net andclean. Dislocation with high density edests in matrix and TiC phase close to the interface. Thetensile property of the composites with the addition of 3% - 6% (Ti+C) is improved obviouslycomparing with that of the matrix alloy at ambient and high temperatures. The fracture surfaceof the composite with the addition of 6% (Ti+C) is of ductile feature at high temperature.
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Received: 18 October 1998
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