添加微量铜对FeCoNbSiB合金非晶形成能力及磁性的影响

航空材料学报, 2007, 27(6): 30-34. doi: 10.3969/j.issn.1005-5053.2007.06.007

添加微量铜对FeCoNbSiB合金非晶形成能力及磁性的影响

贾元智 ^1, , 魏尊杰 ^2, , 马明臻 ^3, , 曾松岩 ^4, , 王文魁 ^5,

1.哈尔滨工业大学,材料科学与工程学院,哈尔滨,150001;燕山大学,亚稳材料制备技术与科学国家重点实验室,河北,秦皇岛,066004

2.哈尔滨工业大学,材料科学与工程学院,哈尔滨,150001

3.燕山大学,亚稳材料制备技术与科学国家重点实验室,河北,秦皇岛,066004

4.哈尔滨工业大学,材料科学与工程学院,哈尔滨,150001

5.燕山大学,亚稳材料制备技术与科学国家重点实验室,河北,秦皇岛,066004

基金项目: 河北省政府优秀专家出国资助项目(2003) 国家重点基础研究发展计划(973计划)(2006CB605201)

关键词：大块非晶合金 , 硼铁 , 非晶形成能力 , 磁性

Effect of Copper Minor Addition on Glass Forming Ability and Soft Magnetic Properties of FeCoNbSiB Alloy

采用工业用硼铁为主要原料制备一种FeCoNbSiBCu大块非晶合金.采用差示扫描量热分析、X射线衍射分析、扫描电镜及能谱分析对合金的非晶形成能力进行研究.结果表明,通过添加微量Cu可以显著提高FeCoNbSiB合金玻璃形成能力,当添加Cu的原子比含量为0.5at%～0.7at%时,合金的非晶形成能力明显提高.采用振动样品磁强计对铸态样品的软磁性能进行研究.结果表明,当Cu的加入量为0.5at%时,非晶合金的软磁性能得到提高.

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