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Effect of Matrix Properties on Thermal Residual Stress of Fiber Reinforced Ti-matrix Composities |
LOU Juhong1,2,*( ), YANG Yanqing2 |
1. department of Mechanical engineering, Taiyuan Institute of Technology, Taiyuan 030008, China2. School of Materials, Northwestern Polytechnical University, Xi’an 710072, China |
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Cite this article:
LOU Juhong, YANG Yanqing. Effect of Matrix Properties on Thermal Residual Stress of Fiber Reinforced Ti-matrix Composities. Chinese Journal of Materials Research, 2016, 30(7): 503-508.
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Abstract The magnitude and distribution of the interfacial stresses along the radial-, axial- and circumferential directions at fiber side of fiber reinforced composites SiCf / Ti-6Al-4V with the change of thermal expansion coefficient and elasticity modulus of the matrix are analysed by three-dimensional model established by using finite element method. The results show that the change of interfacial residual stress is proportional to that of thermal expansion coefficient of matrix, and the no-uniformity of distribution of the residual stress along the circumferential direction of fiber decreases with the decrease of thermal expansion coefficient. In addition, interfacial residual stress usually increases with the increase of elasticity modulus of matrix, but the increase of which reduces gradually.
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Received: 05 June 2015
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Fund: *Supported by National Natural Science Foundation of China No 51271147 |
About author: To whom correspondence should be addressed,Tel: 18635117310, E-mail:fxj815@163.com |
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