Preparation of High Silicon Steel by Multi-Arc Ion Coating and Diffusion

被引：3

作者：

Ma Hailin ^{[1
]}

Li Yan ^{[2
]}

Geng Zhongrong ^{[3
]}

机构：

[1] Lanzhou Jiaotong Univ, Natl Engn Res Ctr Green Coating Technol & Equipme, Lanzhou 730070, Peoples R China

[2] Lanzhou City Univ, Lanzhou 730070, Peoples R China

[3] Lanzhou Jiaotong Univ, Sch Electromech Engn, Lanzhou 730070, Peoples R China

来源：

RARE METAL MATERIALS AND ENGINEERING | 2015年 / 44卷 / 10期

基金：

中国国家自然科学基金;

关键词：

diffusion; high silicon steel; soft magnetic material; XRD; ELECTRICAL STEEL;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

High silicon steel has been prepared by physical vapor deposition, i. e. multi-arc ion coating and diffusion. Subsequent annealing in vacuum at 1180 and 1200 degrees C result in penetration of silicon into the substrate. X-ray diffraction (XRD) reveals that the surface layers of all samples remain alpha-Fe bcc structure after high temperature-diffusion treatment. Once Fe3Si is formed in the surface layer, a further heat treatment will make the composition of the sample homogenizations. The silicon concentration distribution along the cross-section is 4.6 wt%similar to 5.1 wt% after annealing at 1200 degrees C for 1 h which was tested by field emission scanning election microscopy (FE-SEM) equipped with energy dispersive spectroscope (EDS), and was further confirmed by micro Vickers-hardness, where the average cross-section micro Vickers-hardness is 2800 MPa.

引用

页码：2373 / 2375

页数：3

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