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

作     者：ZHAO Juna LIU Lin YANG Jingru PENG Guirong LIU Jianhua ZHANG Ruijuna XING Guangzhong 

作者机构：State Key Laboratory of Metastable Materials Science and Technology Yanshan University Qinhuangdao 066004 China Department of Basic Medical Tangshan Vocational Technology College Tangshan 063000 China Department of Information and Electromechanical Engineering Hebei Building Material College of Professional Technology Qinhuangdao 066004 China 

出 版 物：《Rare Metals》 (稀有金属（英文版）)

年 卷 期：2008年第27卷第5期

页      面：541-544页

核心收录：

学科分类：0806[工学-冶金工程] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 0703[理学-化学] 0702[理学-物理学] 

主　　题：Cu-Zn alloy microstructure hardness high pressure 

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 ct 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℃ 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 a 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.