潘贇,刘天成,陈非非,刘迎春,李广敏,唐冬冬

• 1:中国钢研科技集团有限公司
• 2:安泰科技股份有限公司

摘要(Abstract)：

用熔体快淬法制备出3种FeCuNbSiB纳米晶合金带材,绕制成50 mm×32 mm×20 mm的环形磁环,随后在530～620℃下进行等温退火,研究退火温度对合金磁性能的影响。结果表明:随着退火温度的增加,合金内部晶化相的晶粒尺寸和体积分数有所增加。在550～600℃等温退火后合金具有相对较低的矫顽力(H_c为1.0～1.5 A/m,测试条件:B_m=100 mT,f=10 kHz)和损耗值(P_m为1.4～1.8 W/kg,测试条件:B_m=300 mT,f=10 kHz),特别是经过570～590℃退火后合金在1 kHz～50 kHz频率范围内具有最佳的磁导率。同时,在1 kHz～10 MHz频率范围内,不同测试频率下合金阻抗值对应的最佳退火温度也不同。

关键词(KeyWords)： 纳米晶合金;磁性能;热处理

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划(2016YFB0300500)

作者(Author): 潘贇,刘天成,陈非非,刘迎春,李广敏,唐冬冬

DOI: 10.13289/j.issn.1009-6264.2019-0359

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