Damping Characteristics of Biomedical Porous NiTi Shape Memory Alloy

被引：1
|
作者：
Jiang, Haichang [1 ]
Liu, Shuwei [1 ]
Li, Xiuyan [1 ]
Rong, Lijian [1 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
来源：
MANUFACTURING SCIENCE AND ENGINEERING, PTS 1-5 | 2010年 / 97-101卷
关键词：
Porous NiTi alloy; internal friction; martensitic transformation; self-propagating high-temperature synthesis; INTERNAL-FRICTION;
D O I：
10.4028/www.scientific.net/AMR.97-101.1083
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
One internal friction peak associated with the B2 <-> B19' transformation appears on the cooling curve of porous NiTi shape memory alloy and the dense NiTi alloy shows the maximum peak. The tan delta value increased with the increasing of strain amplitude and the decreasing of frequency. Tan delta value of porous alloy mainly comes from the energy absorbing of the matrix at the small strain amplitude, however, if the strain amplitude is large, the tan delta value comes from the energy consumption that overcomes the friction between folds and the plastic contribution.
引用
收藏
页码：1083 / 1086
页数：4
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