Competition driven nanocrystallization in high Bs and low coreloss Fe-Si-B-P-Cu soft magnetic alloys

被引：174
作者：
Sharma, Parmanand [1 ]
Zhang, Xin [1 ]
Zhang, Yan [2 ]
Makino, Akihiro [1 ,2 ]
机构：
[1] Tohoku Univ, Res & Dev Ctr Ultra High Efficiency Nanocrystalli, Inst Mat Res, Sendai, Miyagi 980, Japan
[2] Tohoku Univ, Cooperat Res & Dev Ctr Adv Mat, Inst Mat Res, Sendai, Miyagi 980, Japan
来源：
SCRIPTA MATERIALIA | 2015年 / 95卷
关键词：
High B-s and low coreloss alloys; Nanocrystallization mechanism in soft magnetic alloys; NANOMET alloys; Competition driven nanocrystallization; METALLIC GLASSES; NB ALLOYS; CRYSTALLIZATION; HF; M=ZR;
D O I：
10.1016/j.scriptamat.2014.08.023
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Based on experimental results and Johnson-Mehl-Avrami analysis, we have identified the nanocrystallization mechanism of newly developed Ferich Fe-Si-B-P-Cu soft magnetic alloys. Competition for growth among a large number of nuclei that are present in as-quenched state (grain density similar to 3 x 10(21) m(-3)) and nucleated after annealing above the critical temperature for new nucleation (grain density similar to 8 x 10(22) m(-3)) governs the grain size. A model of nanocrystallization is made to predict the magnetic/structural properties. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
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页码：3 / 6
页数：4
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