Magnetostriction of Fe100-xGax(15≤x≤30) Alloys Prepared by Copper Mold Injection Casting

被引：0
|
作者：
Zhang Jingjing [1 ]
Yan Mi [1 ]
机构：
[1] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China
来源：
RARE METAL MATERIALS AND ENGINEERING | 2010年 / 39卷
关键词：
copper mold injection casting; Fe-Ga alloys; magnetostriction; phase structure; FE-GA; MAGNETOELASTICITY;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fe100-xGax (x=15, 19, 23, 27.5, 30) alloys were prepared by the technique of copper mold injection casting. It is found that this method could improve the magnetostriction of Fe100-xGax alloys when 15 <= x<23, but deteriorate the magnetostriction of Fe100-xGax alloys when 23 <= x <= 30. Take Fe81Ga19 and Fe72.5Ga27.5 alloys as example, the saturation magnetostriction of the injection-cast Fe81Ga19 was 7% larger than that of the sample quenched from 800 degrees C; however, the saturation magnetostriction of the injection-cast Fe72.5Ga27.5 was 6.1 x 10(-5), which was only 60.4% of the value measured from the corresponding sample quenched from 800 degrees C. In addition, the saturation magnetization of the quenched Fe72.5Ga27.5 was 131.21 A.m(2).kg(-1), which was also higher than that of the injection-cast one (126.21 A.m(2).kg(-1)).
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页码：162 / 165
页数：4
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