孙亚明,田博,王志群,周清雷

• 1:吉林师范大学物理国家级实验教学示范中心
• 2:国网内蒙古东部电力有限公司经济技术研究院

摘要(Abstract)：

利用单辊快淬法制备了Fe_(84)Zr_7B_9非晶合金，并对其进行了不同温度的退火处理，在降温过程中采用不抽真空和持续抽真空两种方式。利用X射线衍射(XRD)和透射电镜(TEM)研究了热处理后合金的物相及显微组织。结果表明：在退火降温过程中不抽真空时，Fe_(84)Zr_7B_9非晶合金的初始晶化产物为α-Fe相和B_2O_3相，晶化过程为非晶→剩余非晶+α-Fe(Zr)+B_2O_3→α-Fe(Zr)+B_2O_3+ZrO_2+Fe_3O_4+B_(51)Zr,α-Fe相(110)晶面的晶面间距随退火温度的升高变化幅度不大。在退火降温过程中持续抽真空时，合金中没有观察到氧化相，晶化过程为非晶→剩余非晶+α-Fe(B)→剩余非晶+α-Fe(B)+Fe_2B→α-Fe(B)+Fe_(3.5)B→α-Fe+ZrB_2+ZrB,α-Fe相(110)晶面的晶面间距随退火温度的升高逐渐增加。经550℃退火处理，降温过程中不抽真空和持续抽真空的两个样品中均存在部分晶粒聚集的现象，透射电镜分析结果表明两种合金薄带的中间区域没有生成氧化相，仅生成单一α-Fe相。

关键词(KeyWords)： 非晶合金;热处理;晶面间距

Abstract:

Keywords:

基金项目(Foundation): 吉林省教育厅项目(JJKH20210451KJ)

作者(Author): 孙亚明,田博,王志群,周清雷

DOI: 10.13289/j.issn.1009-6264.2021-0457

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