摘要
在变频、变温、变振幅的条件下，对ＣｕＡＩＢｅ合金的低频相变内耗进行了研究、结果表明：ＣｕＡＩＢｅ合金的连续变温相变内耗峰峰高Ｑｍ－１与变温速率ｖ和振动频率ｆ都有关，但与v、1/f或v/f都成非线性关系；峰温Tp与f无关，随v的增大而升高;温度低于Ｍｓ时，合金内耗Ｑ－１与应变振幅Aε呈线性关系。
The low-frequency internal friction for CuAIBe shape memory alloys hasbeen measured with varied frequency, temperature and strain amplitude. It is found thatthe internal friction peak Qm-1 in martensitic transformation for CuAIBe alloys is related tofor v (temperature rate) and has a nonlinear relationship with v, 1/f or v/f The Peaktemperature has nothing to do with f but it increases with the increasing of v. Internal friction for CuAIBe alloys is linear with strain amplitude As in martensitic region whentemperature below Ms.
出处
《金属功能材料》
CAS
1999年第3期112-116,共5页
Metallic Functional Materials
关键词
马氏体相变
阻尼
形状记忆合金
内耗
low frequency internal friction, martensitic transformation, damping,CuAIBe alloy
