Investigation on AISI 304 austenitic stainless steel to AISI 4140 low alloy steel dissimilar joints by gas tungsten arc, electron beam and friction welding

被引：191
作者：
Arivazhagan, N. [1 ]
Singh, Surendra [1 ,2 ]
Prakash, Satya [1 ,2 ]
Reddy, G. M. [1 ,3 ]
机构：
[1] VIT Univ, Sch Mech & Bldg Sci, Vellore 632014, Tamil Nadu, India
[2] Indian Inst Technol, Dept Met & Mat Engn, Roorkee, Uttar Pradesh, India
[3] Def Met & Res Lab, Hyderabad, Andhra Pradesh, India
来源：
MATERIALS & DESIGN | 2011年 / 32卷 / 05期
关键词：
AISI-4340; STEEL; CORROSION; 304-STAINLESS-STEEL; MICROSTRUCTURE; STRENGTH; BEHAVIOR; CRACKING;
D O I：
10.1016/j.matdes.2011.01.037
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents the investigations carried out to study the microstructure and mechanical properties of AISI 304 stainless steel and AISI 4140 low alloy steel joints by Gas Tungsten Arc Welding (GTAW), Electron Beam Welding (EBW) and Friction Welding (FRW). For each of the weldments, detailed analysis was conducted on the phase composition, microstructure characteristics and mechanical properties. The results of the analysis shows that the joint made by EBW has the highest tensile strength (681 MPa) than the joint made by GTAW (635 Mpa) and FRW (494 Mpa). From the fractographs, it could be observed that the ductility of the EBW and GTA weldment were higher with an elongation of 32% and 25% respectively when compared with friction weldment (19%). Moreover, the impact strength of weldment made by GTAW is higher compared to EBW and FRW. (C) 2011 Elsevier Ltd. All rights reserved.
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收藏
页码：3036 / 3050
页数：15
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