Ti-Ni-Cu形状记忆合金快速凝固条带的研究进展  

Progress in Research on Ti-Ni-Cu Shape Memeny Alloy Rapidly-solidified Ribbons

作　　者：何文军[1] 闵光辉[1] 卢庆亮[2] 于化顺[1] 

机构地区：[1]山东大学材料科学与工程学院,济南250061 [2]山东省科学院新材料研究所,济南250014

出　　处：《材料导报》2007年第3期81-85,共5页Materials Reports

基　　金：国家外专局聘请外国专家重点项目(20050360646)

摘　　要：回顾了Ti-Ni-Cu形状记忆合金快速凝固条带的研究进展。主要介绍了Ti-Ni-Cu合金条带的组织结构、晶化行为、织构和析出物、马氏体相变温度及其形状记忆特性。合金条带的铸态组织随工艺参数不同可在非晶-晶态之间变化;独特的析出物和织构影响其相变行为和形状记忆性能;条带具有良好的形状记忆效应和超弹性性能,与体材相比,其相变应变大而相变应力滞后小。总结了研究中存在的问题并展望了未来的研究方向。The current development in the research of Ti-Ni-Cu shape memory alloy rapidly-solidified ribbons is reviewed. The structure of the ribbons,the crystallization behavior, precipitates and texture, martensitic transformation temperatures and their shape memory properties are summarized. The microstructure of as-cast ribbon varies from crystalline to amorphous with different melt spinning process parameters unique precipitates and texture influence the martensitic transformation behavior and shape memory properties. Ribbons can show perfect shape memory effect and superelasticity with higher transformation strain and smaller stress hysteresis compared with bulk materials. Some possible problems and its potential development are also presented.

关 键 词：Ti-Ni-Cu合金快速凝固马氏体相变形状记忆性能 

分 类 号：TG139.6[一般工业技术—材料科学与工程]