In Situ Synthesis and Structural Design of Ti/TiC Functionally Graded Materials

Abstract:

In this paper, the metal/ceramic functionally graded composites are prepared. The thermal stress of TiC/Ti functionally graded composites are simulated by Abaqus finite element analysis software to study the influence of the number of layers, the gradient layer thickness and the gradient of distribution index.The optimal structural parameters of the TiC/Ti functional gradient composites are obtained as the number of layers of 6 and the gradient distribution index 0.8. According to the optimized structural parameters, Ti and C powders are mixed by high-energy ball milling, then the TiC/Ti functional gradient composites are prepared by spark plasma sintering. The gradient distribution of composition and microstructure in TiC/Ti functionally graded composites are achieved, which can solve the problem of mismatch for the physical properties between the metal and the ceramic in the composite material.

• Periodical: Materials Science Forum (Volume 913)
• Pages: 515-521
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.913.515
• Online since: February 2018
• Authors: Qi Jin, Xue Ping Ren, Hong Liang Hou, Yan Ling Zhang, Hai Tao Qu*
• Keywords: Finite Element Analysis, Functionally Graded Materials, In Situ Synthesis, Optimal Structure Design

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