Acoustic characteristics of high damping Mn73Cu20Ni5Fe2 alloy

被引：13
|
作者：
Fukuhara, M
Yin, F
Kawahara, K
机构：
[1] Ctr Technol, Yokohama, Kanagawa 2300027, Japan
[2] Natl Res Inst Met, Tsukuba, Ibaraki 3050047, Japan
[3] BB Materia, Chiba 2670066, Japan
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2004年 / 201卷 / 03期
关键词：
D O I：
10.1002/pssa.200306737
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The acoustic characteristics for high damping Mn73Cu20Ni5Fe2 (M2052) alloy were investigated in terms of frequency-dependent complex dynamics, using an ultrasonic pulse method. The longitudinal and transverse waves show maximum decrements of about 2 and 1.8 at around 1.8 and 0.8 MHz, respectively, derived from a single relaxation process. Frequency dispersion leads to increase in dynamic modulus and delay in phase, suggesting growth (microkinking) of microtwin phases analogous to the stretching by micro-Brownian rotation in rubbers.
引用
收藏
页码：454 / 458
页数：5
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