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《Materials Review》 2018-S1
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Effect of Extrusion Angle on Microstructure Evolution of AgCuO Composites

LI Xiaolong;ZHENG Zhong;ZHOU Xiaolong;TAO Qiying;ZHANG Hao;Department of Materials Science and Engineering,Kunming University of Science and Technology;Key Laboratory of Advanced Materials of Yunnan Province & Key Laboratory of Advanced Materials of Non-Ferrous and Precious Rare Metals of Ministry of Education;School of Materials Science and Engineering,Harbin Institute of Technology;  
In this paper,the effect of extrusion angle on the microstructure of AgCuO composites was studied.The results obtained from the experiments were compared with the simulation results,the authenticity of the finite element simulation and the accuracy of the experimental results were confirmed.Results showed that when the position of the two cubic CuO was near and there was no single CuO,the cubic CuO was deformed into a straight line from the polygon.When the position of the single and the cubic CuO was relatively close,the cubic CuO was deformed by the polygon as a curved fiber,and the single CuO was partially deformed.In addition,with the increase of die angle,the dispersion of CuO particles near the surface of the sample was gradually enhanced,and the cubic CuO fibers became finer and longer,and the phenomenon of CuO particles in the cubic gradually decreased along the radial direction.The stress of the sample was increasing,and the maximum stress appeared in the vicinity of the fixed diameter zone.The scope of deformation was decreased,but the stress was increasing.
【Fund】: 云南省科技计划重点项目(2017FA027);; 国家自然科学基金(51361016);; 云南省教育厅科学研究基金项目(2016YJS030)
【CateGory Index】: TB333
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