宋刚

个人信息Personal Information

教授

博士生导师

硕士生导师

性别:男

毕业院校:大连理工大学

学位:博士

所在单位:材料科学与工程学院

学科:材料连接技术

办公地点:材料学院铸造工程中心406

联系方式:0411-84707817

电子邮箱:songgang@dlut.edu.cn

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Post-heat treatment of arc-sprayed coating prepared by the wires combination of Mg-cathode and Al-anode to form protective intermetallic layers

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论文类型:期刊论文

发表时间:2011-01-15

发表刊物:APPLIED SURFACE SCIENCE

收录刊物:SCIE、EI

卷号:257

期号:7

页面范围:3097-3102

ISSN号:0169-4332

关键字:Intermetallics compounds coating; Arc spray processing; Post-heat treatment; Diffusion

摘要:A Mg-Al intermetallic compounds coating was prepared on the surface of Mg-steel lap joint by arc-sprayed Al-Mg composite coating (Mg-cathode and Al-anode) and its post-heat treatment (PHT). The effect of PHT temperature on the phase transition, microstructure and mechanical properties of the coating was investigated by X-ray diffraction, scanning electron microscope, energy dispersive X-ray spectroscopy, optical microscope and microhardness test. The result shows that the intermetallic compounds layer that is mainly composed of Al(3)Mg(2) and Mg(17)Al(12) is formed by the self-diffusion reaction of Mg and Al splats in the coating after PHT for 4 h at 430 degrees C. (C) 2010 Elsevier B.V. All rights reserved.