Influence of composition and heat-treatment on damping capacity of Cu-Al alloys

被引：2
|
作者：
陈一胜
刘萍
李勇
王宝健
机构：
[1] China
[2] Ganzhou 341000
[3] Institute of Materials and Chemical Engineering Jiangxi University of Science and Technology
来源：
Transactions of Nonferrous Metals Society of China | 2007年 / S1期
关键词：
damping alloy; rare earth; martensite; aging;
D O I：
暂无
中图分类号：
TG166.2 [铜及其合金的热处理];
学科分类号：
080201 ; 080503 ;
摘要：
The compositions,structures and properties of four kinds of Cu-Al alloys with different constituents were researched by means of optical microscopy,scanning electron microscopy,X-ray diffractometry and damping detection. The structures and properties of Cu-11Al-5Mn-RE experienced different heat-treatment processes were also studied. The results indicate that the damping capacity and microstructure of the alloys are improved by adding Mn and RE elements. Cu-11Al-5Mn-RE obtains the best comprehensive physical performance because of the cooperation of Mn and RE elements. Aging at 200 ℃,the damping capacity gets to the maximum. At 400 ℃,its mechanical property decreases while its damping capacity still remains,indicating its resistance to martensite decomposition and aging at moderate temperature.
引用
收藏
页码：1070 / 1075
页数：6
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