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Ni含量对Fe3Si基合金组织的影响
引用本文:林均品,钟太彬,王艳丽,林志,陈国良. Ni含量对Fe3Si基合金组织的影响[J]. 北京科技大学学报, 2001, 23(6): 514-518
作者姓名:林均品  钟太彬  王艳丽  林志  陈国良
作者单位:北京科技大学新金属材料国家重点实验室,北京,100083
基金项目:国家重点基础研究发展计划(973计划);G200006720-2;
摘    要:通过X-射线衍射、能谱、SEM金相等方法,对5种不同Ni含量样品的显微结构进行了分析,结果表明:Ni质量分数为0%的Fe2Si基合金都存在六方结构的含镍富硅Fe2Ti相析出;当Ni质量分数在0%~2%范围内变化时,Ni的添加对富硅Fe2Ti的析出影响很小;而当Ni增加到3%,Ni的添加急剧促进富硅Fe2Ti的析出;当Ni的添加超过一定量(约2%)时就能明显促进Fe2Si基合金的动态再结晶以及静态再结晶。

关 键 词:Fe2Si基合金 再结晶 金相组织 显微结构 镍 质量分数 回复 铁硅合金 磁学性能
修稿时间:2001-06-04

Effect of Ni Content on the Microstructures of Fe3Si Based Alloy
LIN Junpin,ZHONG Taibin,LIN Zhi,CHEN Guoliang State Key Laboratory for Advance Metals and Materials,UST Beijing,Beijing ,China. Effect of Ni Content on the Microstructures of Fe3Si Based Alloy[J]. Journal of University of Science and Technology Beijing, 2001, 23(6): 514-518
Authors:LIN Junpin  ZHONG Taibin  LIN Zhi  CHEN Guoliang State Key Laboratory for Advance Metals  Materials  UST Beijing  Beijing   China
Affiliation:LIN Junpin,ZHONG Taibin,LIN Zhi,CHEN Guoliang State Key Laboratory for Advance Metals and Materials,UST Beijing,Beijing 100083,China
Abstract:The microstructure of 5 differeent Ni content specimen were studied by XRD.EDX.SEM and opticed microscope. The results show: Fe2Ti phases containing rich Si and Ni precipitate in the Fe3Si based all- oy with Ni content ranging from 0%~4%. Ni addition has a little influence on the precipitation as Ni (in mass fraction) is ranging from 0%~ 2%, Ni addition accelerates the precipitation of Fe2Ti phase in the Fe5Si based alloy with the 3% Ni and the precipitation weakens in the Fe3Si based alloy with the 4% Ni. Ni addition pro- motes the dynamic recrystallization and static recrystallization as the Ni (mass fraction) is over 2%.
Keywords:Fe3Si based alloy  Ni content  structure  recrystallization
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