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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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Co_(66)Fe_4Mo_2Si_(16)非晶合金的磁性与晶化
, PP. 880-884
Keywords: Co_(66)Fe_4Mo_2Si_(16)非晶合金,磁导率,磁致伸缩
Abstract:
Co_(66)Fe_4Mo_2Si_(16)非晶合金在等温退火和等时退火过程中起始磁导率μi随退火时间的延长而增大，在t=45min时达到最大值，然后随着退火时间的延长从快速下降，电子衍射图表明合金此时仍保持非晶结构；合金的饱和磁致伸缩系数λs随退火时间的延长由负值逐渐变为正值，当t=45min时，λs≈0，合金在等温退火过程中起始磁导率的峰值主要来源于零磁致伸缩系数．当等时退火温度为480℃时，合金中开始有少量α－Fe固溶体析出，其磁性能变差．随着退火温度的升高桥出相的体积分数增加，其磁性能急剧下降．
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