Progress on effect of processes and microelements on liquation cracking of weld heat-affected zone of nickel-based alloy

被引：4

作者：

Li Z. ^{[1
]}

Wang H. ^{[1
]}

Li Y. ^{[2
]}

Kim H.J. ^{[3
]}

Tillmann W. ^{[4
]}

机构：

[1] College of Materials Science and Engineering, Beijing University of Technology, Beijing

[2] The Filarc Welding (Jiangsu) Co., Ltd, Changzhou

[3] Advanced Joining Research Team, Korea Institute of Industrial Technology, Cheonan-si

[4] Institute of Materials Engineering, Dortmund University of Technology, Dortmund

来源：

Jixie Gongcheng Xuebao/Journal of Mechanical Engineering | 2016年 / 52卷 / 06期

关键词：

Heat treatment; Heat-affected zone; Liquation cracking; Microelements; Nickel-based alloy; Welding;

D O I：

10.3901/JME.2016.06.037

中图分类号：

学科分类号：

摘要：

Nickel-based alloy with excellent high temperature resistance and corrosion resistance, has been widely applied to aerospace, nuclear power and offshore oil industry. Based on the importance of nickel-based alloy, studying the liquation cracking of weld heat-affected zone (HAZ) is of great significance to resolve the above problem. Welding process has a direct influence on welding performance of nickel-based alloy, so it is one of the important factors to lead to HAZ liquation cracking. By heat treatment processes, the susceptibility to liquation cracking can be reduced because of expected microstructure and properties obtained. Meanwhile, the microelements in base metal affect the non-equilibrium segregation behavior of grain boundaries, so it can leads to the generation of HAZ liquation cracking. The progress on liquation cracking of weld heat-affected zone of nichel-based alloy are reviewed from welding processes, heat treatment processes and micro-elements, and the test method of liquation cracking is summarized. The future research trends are prospected. © 2016 Journal of Mechanical Engineering.

引用

页码：37 / 45

页数：8

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