于万秋,石硕,刘尧棣

• 1:吉林师范大学物理学院
• 2:吉林师范大学创新创业教育培训中心

摘要(Abstract)：

采用单辊快淬法制备两种不同B含量的Fe_(90-x)Nb_8Zr_2B_x(x=10, 20)非晶合金，在各自晶化峰值温度进行1 h的等温热处理得到相应的纳米晶合金。利用同步热分析仪(STA)、透射电镜(TEM)、X射线衍射仪(XRD)和振动样品磁强计(VSM)等研究了两种合金的热行为、结构及磁性能，并进行对比分析。结果表明：两种合金快淬态时均处于完全非晶态，两种非晶合金的差示扫描量热(DSC)曲线存在较大差别，低B含量的合金中没有观察到过冷液相区，而在高B含量的合金中观察到过冷液相区。两种合金具有明显不同的晶化过程，低B含量合金的晶化过程分为3个阶段，高B含量合金的晶化过程分为两个阶段。Fe_(80)Nb_8Zr_2B_(10)合金在晶化的第二个阶段获得相对较好的软磁性能。Fe_(70)Nb_8Zr_2B_(20)合金在晶化的第一个阶段获得相对较好的软磁性能。

关键词(KeyWords)： 非晶合金;热行为;微观结构;磁性能

Abstract:

Keywords:

基金项目(Foundation): 吉林省教育厅项目(JJKH20210451KJ);; 吉林师范大学博士科研启动项目(2021018)

作者(Author): 于万秋,石硕,刘尧棣

DOI: 10.13289/j.issn.1009-6264.2022-0390

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