Microstructural and weldability analysis of Inconel617/AISI 310 stainless steel dissimilar welds

被引：76

作者：

Hosseini, H. Shah ^{[1
]}

Shamanian, M. ^{[1
]}

Kermanpur, A. ^{[1
]}

机构：

[1] Isfahan Univ Technol, Dept Mat Engn, Esfahan 8415683111, Iran

来源：

INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING | 2016年 / 144卷

关键词：

Weldability; Varestraint test; Dissimilar welding; Inconel; 617; 310 stainless steel; ALLOY; 617;

D O I：

10.1016/j.ijpvp.2016.05.004

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, the microstructural evolutions and weldability of the Inconel 617/310 austenitic stainless steel dissimilar welds were investigated. Three types of filler materials including Inconel 82, Inconel 617 and 310 austenitic stainless steel were used to fabricate dissimilar joints using the gas tungsten arc welding process. Microstructural observations showed distinct cracks in the weldment produced by 310 austenitic stainless steel filler metal. The results of varestraint weldability test showed that the joints produced by Inconel 617 and 310 stainless steel filler metals exhibited the highest and lowest resistance to solidification cracking, respectively. The relatively poor cracking resistance of the welds prepared by 310 stainless steel was attributed to the wide solidification temperature range and presence of low melting point secondary phases. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：18 / 24

页数：7

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