Thermal Residual Stresses in W Fibers/Zr-based Metallic Glass Composites by High-energy Synchrotron X-ray Diffraction
来源期刊：JOURNAL OF MATERIALS SCIENCE TECHNOLOG2015年第2期
论文作者：Xinqiang Zhang Yunfei Xue Haifeng Zhang Huameng Fu Zhengbin Wang Zhihua Nie Lu Wang
文章页码：159 - 163
摘 要：Thermal residual stresses in W fibers/Zr-based metallic glass composites were measured by in situ high energy synchrotron X-ray diffraction（HEXRD）. The W fibers for the composites were 300,500,and 700 m m in diameter,respectively. Coaxial cylinder model（CCM） and finite element model（FEM） were employed to simulate the distribution of thermal residual stress,respectively. HEXRD results showed that the selected diameters of W fiber had little influence on the value of thermal residual stresses in the present composites. Thermal residual stresses simulated by CCM and FEM were in good agreement with HEXRD measured results. In addition,FEM results exhibited that thermal residual stress concentrated on interface between the two phases and area where the two W fibers were the closest ones to each other.
Xinqiang Zhang1，Yunfei Xue1,2，Haifeng Zhang3，Huameng Fu3，Zhengbin Wang3，Zhihua Nie1，Lu Wang1,2
1. School of Materials Science and Engineering,Beijing Institute of Technology2. National Key Laboratory of Science and Technology on Materials under Shock and Impact,School of Materials Science and Engineering,Beijing Institute of Technology3. Shenyang National Laboratory for Materials Science,Institute of Metal Research,Chinese Academy of Sciences
摘 要：Thermal residual stresses in W fibers/Zr-based metallic glass composites were measured by in situ high energy synchrotron X-ray diffraction（HEXRD）. The W fibers for the composites were 300,500,and 700 m m in diameter,respectively. Coaxial cylinder model（CCM） and finite element model（FEM） were employed to simulate the distribution of thermal residual stress,respectively. HEXRD results showed that the selected diameters of W fiber had little influence on the value of thermal residual stresses in the present composites. Thermal residual stresses simulated by CCM and FEM were in good agreement with HEXRD measured results. In addition,FEM results exhibited that thermal residual stress concentrated on interface between the two phases and area where the two W fibers were the closest ones to each other.
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