EFFECT OF MAGNETIC FIELD ON Fe-Si-Al ALLOY PROPERTIES WITH ZERO MAGNETOSTRICTION

被引：0
|
作者：
Naimi, E. K. [1 ]
Kaputkin, D. E. [1 ]
机构：
[1] Natl Res Technol Univ MISiS, Moscow, Russia
来源：
METAL SCIENCE AND HEAT TREATMENT | 2012年 / 54卷 / 5-6期
关键词：
ferromagnetic materials; ultrasound; internal friction; magnetic field; Young's modulus defect;
D O I：
10.1007/s11041-012-9487-2
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
A method and results for a study of the effect of permanent and variable (up to about 1.5 kHz) magnetic fields with intensity H = 0 - 1050 A/m on internal friction Q - 1 and Young's modulus defect Delta E/E in magnetically-soft alloy of the system Fe - Si - Al (sendast type) with mechanical vibration frequency about 10(5) Hz are provided. The range of strain rate amplitudes epsilon(0) within which Q(-1) and Delta E/E are independent of H, and the range where they increase linearly with an increase in epsilon(0) over the whole range of change in H are determined. Results obtained are analyzed within the framework of existing relaxation theory and hysteresis mechanism of elastic vibration damping within magnetically soft materials.
引用
收藏
页码：229 / 233
页数：5
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