Abstract：The effects of aging time and Mn content on microstructure, mechanical properties and damping properties of CuZnAl alloy were studied by universal testing machine, metallographic microscope, scanning electron microscope and dynamic thermal mechanical analyzer. The results showed that the addition of Mn could improve the microstructure of material, and meanwhile, enhance the damping property and tensile strength of the alloy. The acicular martensite and massive martensite in microstructure were changed significantly with the increase of heat treatment time, which affected the damping properties of materials. The damping properties of materials were positively correlated with the length and density of acicular martensite, but negatively correlated with the number of massive martensite. However, when the Mn content was too high, for example up to 10%, a coarse block structure would be formed, and the mechanical properties of the alloy were reduced significantly.
兰江林, 李云玲, 钟振前. 热处理和锰含量对CuZnAl合金微观组织结构和宏观性能的影响[J]. 冶金分析, 2022, 42(4): 75-82.
LAN Jianglin, LI Yunling, ZHONG Zhenqian. Effect of heat treatment and manganese content on microstructure and macroscopic properties of CuZnAl alloy. , 2022, 42(4): 75-82.
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