The Effects of Metalloid Elements on the Nanocrystallization Behavior and Soft Magnetic Properties of FeCBSiPCu Amorphous Alloys

被引：17
作者：
Lu, Zhichao [1 ]
Li, Hongxiang [1 ]
Lei, Zhifeng [1 ]
Chang, Chuntao [2 ]
Wang, Xianzhen [3 ]
Lu, Zhaoping [1 ]
机构：
[1] Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China
[2] Dongguan Univ Technol, Sch Mech Engn, Dongguan 523808, Peoples R China
[3] Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Beijing 100083, Peoples R China
来源：
METALS | 2018年 / 8卷 / 04期
基金：
中国国家自然科学基金; 北京市自然科学基金;
关键词：
metalloid elements; nanocrystallization behavior; soft magnetic properties; Fe-based metallic glasses; GLASS-FORMING ABILITY; HIGH SATURATION MAGNETIZATION; FE-ZR-B; THERMAL-STABILITY; CRYSTALLIZATION;
D O I：
10.3390/met8040283
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Soft magnetic properties of Fe-based metallic glasses (MGs) are dependent on their nanocrystallization behavior, particularly the precipitation of alpha-Fe embedded in the amorphous matrix. In this study, the effects of metalloid elements of C, B, Si, and P on thermal stability, nanocrystallization behavior, and soft magnetic properties of typical Fe-based amorphous alloys, i.e., the Fe-Cu-(CBSiP) glassy alloys, were investigated systematically. It is found that the addition of the metalloid elements can effectively retard the precipitation process of alpha-Fe during reheating of the Fe-based MGs due to the long-range diffusion of the metalloids; however, their individual effects on the compositional portioning and formation of other crystalline phases are varied. To achieve desirable soft magnetic properties, a species of metalloids and their concentrations have to be carefully controlled so that the formation of alpha-Fe does not interfere with that of other crystalline phases, especially those hard-magnetic phases.
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页数：10
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