Effect of stress on damping capacity of a shape memory alloy CuZnAl

被引：0
|
作者：
Cimpoesu, N. [1 ]
Stanciu, S. [1 ]
Mayer, M. [2 ]
Ionita, I. [1 ]
Cimpoesu, R. Hanu [1 ]
机构：
[1] Gh Asachi Tech Univ Iasi, Fac Mat Sci & Engn, Iasi 700050, Romania
[2] Netzsch GeratebauGmbH, D-95100 Selb Bavaria, Germany
来源：
JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS | 2010年 / 12卷 / 02期
关键词：
shape memory effect; damping capacity; internal friction; storage modulus; MARTENSITIC-TRANSFORMATION; INTERNAL-FRICTION;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A copper based shape memory alloy was obtained by classical melting method. Chemical analyze beside copper, zinc and aluminum reveal small amounts of other chemical elements like iron, lead or nickel that can improve the damping capacity of shape memory alloy. Starting from chemical composition the material was analyzed in deformed and tensioned state by microstructure (SEM), dilatometry (DIL) or calorimetry (DSC) and mechanical-dynamic (DMA) point of view. Results present a nice internal friction peak, in both cases, in transformation temperatures domain with possible practical applications.
引用
收藏
页码：386 / 391
页数：6
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