Effect of alloy elements on the weld of galvanised sheet studied by first-principles

Guohong Ma; Xiaokang Yu; Jia Ye

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Effect of alloy elements on the weld of galvanised sheet studied by first-principles

机译：Effect of alloy elements on the weld of galvanised sheet studied by first-principles

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To solve the problem of zinc to the weld quality of galvanised sheet, alloy elements (Cu, Nb, Y) have been added to combine with zinc to form stable compounds during welding. The structure and properties of CuZn, NbZn_3 and YZn compounds were calculated by first-principles. The calculation results show that all three elements form a stable alloy with Zn. Among the alloys formed, CuZn has the best mechanical properties. MIG welding experiments of galvanised sheet were conducted to verify the effects of Cu addition on the weld seam formation. The experimental results show that the addition of Cu powder has little influence on the macro-morphology of the weld. In the centre of the weld, ferrite structure is refined and micro-hardness is improved.

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《Materials Science and Technology: MST: A publication of the Institute of Metals》 |2020年第12期|1139-1147|共9页
作者
Guohong Ma; Xiaokang Yu; Jia Ye;
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作者单位

Key Laboratory of Lightweight and High Strength Structural Materials of Jiangxi Province, School of Mechanical Engineering, Nanchang University, Nanchang, People's Republic of China;

Applied Materials, Santa Clara, CA, USA;

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正文语种英语
中图分类工程材料学;
关键词
First-principles; microstructure; galvanised steel sheet; MIG welding;

Effect of alloy elements on the weld of galvanised sheet studied by first-principles

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