Ti3SiC2-(Ti3SiC2-SiC) functionally graded materials by spark plasma sintering reactive synthesis method Part 1-gradient optimizations

被引：2
作者：
Jiang, W. [2 ,3 ]
Zhang, J. F. [1 ]
Wang, L. J. [2 ,3 ]
Tu, R. [1 ]
Yang, X. Q. [4 ]
Chen, G. [4 ]
Zhai, P. C. [4 ]
机构：
[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
[2] Donghua Univ, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China
[3] Donghua Univ, MOE, Engn Res Ctr Adv Glasses Mfg Technol, Shanghai 201620, Peoples R China
[4] Wuhan Univ Technol, Dept Engn Struct & Mech, Wuhan 430070, Peoples R China
来源：
MATERIALS TECHNOLOGY | 2010年 / 25卷 / 05期
关键词：
Functionally graded materials; Finite element analysis; Residual thermal stress; SI-C SYSTEM; RESIDUAL-STRESS; TI3SIC2; COMPOSITES; MICROSTRUCTURE; FABRICATION; CERAMICS; DESIGN; PHASES; STATE;
D O I：
10.1179/175355509X12608871788031
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The graded structure of functionally graded materials can greatly reduce the residual thermal stress compared with non-graded interface of directly jointed materials. Finite element analysis was conducted to study the residual thermal stress induced on cooling from the sintering temperature of Ti3SiC2-(Ti3SiC2-SiC) FMGs. For a circular disk shaped specimen with a fixed geometric size of Ti3SiC2-(Ti3SiC2-SiC) FMGs, optimum grade layer number N as well as composition distribution exponent p for minimising residual stress is identified. The simulation results indicated that the optimum layer number N and composition distribution exponent p can not only reduce the stress level, but also make the stress distribute more uniformly.
引用
收藏
页码：276 / 282
页数：7
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