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Preparation and Properties of TiC/Ti3SiC2 Foam Ceramics |
GAO Yong, XU Xingxiang, YANG Zhenming, ZHANG Jinsong |
Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016 |
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Cite this article:
GAO Yong XU Xingxiang YANG Zhenming ZHANG Jinsong. Preparation and Properties of TiC/Ti3SiC2 Foam Ceramics. Chin J Mater Res, 2011, 25(5): 539-544.
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Abstract The TiC/Ti3SiC2 foam ceramics was prepared by high frequency induction heating reaction-melting infiltration using polyurethane foam as primary skeleton. The phase composition, microarea chemical content, micro morphology and structure, and apparent anti-compression properties of the foam materials obtained at different processing stages are investigated. The results show that the TiC/Ti3SiC2 foam ceramics consist of 3-D interconnected network frame of TiC, Ti3SiC2, and Ti5Si3 successively formed with the increasing of Ti content. The average apparent compressive strength of the prepared foam materials rises during reaction-melting infiltration, and reaches to 19.4 MPa when TiC/Ti3SiC2 foam ceramics formed.
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Received: 11 August 2011
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