CuZnAl合金淬火和时效的正电子湮没研究──关于热弹马氏体稳定化原因的讨论  

Study of Quenched and Aged CuZnAl Alloy by Positron AnnihilationA Discussion of Origin of Thermoelastic Martensite Stabilization

作　　者：王景成[1,2] 尤富强[1,2] 祁金林[1,2] 汤学峰[1,2] 

机构地区：[1]上海钢铁研究所研究中心上海市金属功能材料开发应用重点实验室 [2]同济大学物理系

出　　处：《功能材料》1999年第3期265-267,共3页Journal of Functional Materials

摘　　要：用正电子湮没Ｄｏｐｐｌｅｒ展宽能谱仪和寿命仪研究了一种淬火和时效后的ＣｕＺｎＡｌ形状记忆合金，对结果的分析认为：热弹马氏体稳定化的主导因素以空位运动为好。The samples of Cu-23% Zn-10% Al (atomic content)alloy quenched and aged have been studied by means of positron annihilation techniques.An analysis of the measured results indicates that excess vacancies and their movements,instead of the other suggested mechanisms,may be best suited for explaining thermoelastic martensite stabilization of the alloy.

关 键 词：正电子湮没 马氏体相变 时效 形状记忆合金 淬火 

分 类 号：TG139.6[一般工业技术—材料科学与工程]