Effects of high pressure on the microstructure and hardness of a Cu-Zn alloy

查看全文 作　　者：ZHAO [1]Juna;LIU [2]Lin;YANG [3]Jingru;PENG [1]Guirong;LIU [1]Jianhua;ZHANG [1]Ruijuna;XING [1]Guangzhong

机构地区：[1]State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China;[2]Department of Basic Medical, Tangshan Vocational Technology College, Tangshan 063000, China;[3]Department of Information and Electromechanical Engineering, Hebei Building Material College of Professional Technology, Qinhuangdao 066004, China

出　　处：《Rare Metals》索引2008年第27卷第5期,共4页

摘　　要：The microstructure of a Cu-Zn alloy treated under different high pressures was investigated by means of metallographic, scanning electron microscope (SEM), energy dispersive spectrometer (EDS), and X-ray diffraction (XRD), and the hardness of the Cu-Zn alloy was also measured. The results show that the α phase with a smaller grain size, different shapes, and random distribution appears in the Cu-Zn alloy during the solid-state phase transformation generation in the temperature range of 25-750°C and the pressure range of 0-6 GPa. The amount of residual α phase in the microstructure decreases and then increases with increasing pressure. Under a high pressure of 3 GPa, the least volume fraction of residual α phase was obtained, and under a high pressure of 6 GPa, the changes of the microstructure of the Cu-Zn alloy were not obvious. In addition, high pressure can increase the hardness of the Cu-Zn alloy, but it cannot generate any new phase. 关键词：铜锌合金微观结构硬度高压环境

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Effects of high pressure on the microstructure and hardness of a Cu-Zn alloy

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