Welding?Shrinkage?Deformation?and?Residual?Stress?of?Duplex?Stainless?Steel?2205

doi:10.3969/j.issn.1674-0696.2009.04.35

Journal of Chongqing Jiaotong University(Natural Science) ›› 2009, Vol. 28 ›› Issue (4): 785-788.DOI: 10.3969/j.issn.1674-0696.2009.04.35

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Welding?Shrinkage?Deformation?and?Residual?Stress?of?Duplex?Stainless?Steel?2205

WANG Zhixiang¹, WANG Zhenglun²

1.?Center?of?Vessel?Engineering,?Chongqing?Jiaotong?University,?Chongqing?400074,?China;?2.?School?of?Mechanical?＆?Electrical?Automotive?Engineering,?Chongqing?Jiaotong?University,?Chongqing?400074,?China

Received:2009-04-17 Revised:2009-05-15 Online:2009-08-15 Published:2015-04-15

2205双相不锈钢焊接收缩变形与残余应力研究

王智祥¹,王正伦²

1.重庆交通大学船舶工程中心,重庆400074;2.重庆交通大学机电与汽车工程学院,重庆400074

作者简介:王智祥(1955—),男,四川资阳人,教授,主要从事船舶、机械工程及材料成型加工方面的研究工作。E-mail:wzx@cquc.edu.cn。
基金资助:
重庆市科委重大科技攻关项目( csts2008ab3033)

Abstract

Abstract: TIG?welding?is?adopted?to?carry?out?the?welding?test?of?duplex?stainless?steel?2205.?Using?regression?analysis?method,?the?impact?of?the?welding?current,?arc?voltage,?welding?speed?and?the?thickness?on?welding?shrinkage?deformation?is?studied.?Residual?stress?on?2?mm?thick?welding?specimen?is?tested?by?the?slot-cutting?method,?and?the?distribution?rule?of?longitudinal?residual?stress?along?welding?cross-section?is?found.?And?the?orthogonal?test?method?is?also?used?to?optimize?the?welding?parameters.

Key words: dluplex stainless steel , shrinkage deformation , optimization , residual stress ;

摘要： 采用钨极氩弧焊对2205双相不锈钢进行了焊接试验,用回归分析的方法研究了焊接电流、电弧电压、焊接速度和板厚对焊接收缩变形的影响;采用切条法测试了2mm厚焊接试件的残余应力,找到了纵向残余应力沿焊缝截面的分布规律,并用正交试验方法对焊接工艺参数进行了优化。

关键词: 双相不锈钢, 收缩变形, 优化, 残余应力

CLC Number:

TG403

WANG Zhixiang, WANG Zhenglun. Welding?Shrinkage?Deformation?and?Residual?Stress?of?Duplex?Stainless?Steel?2205[J]. Journal of Chongqing Jiaotong University(Natural Science), 2009, 28(4): 785-788.

王智祥,王正伦. 2205双相不锈钢焊接收缩变形与残余应力研究[J]. 重庆交通大学学报（自然科学版）, 2009, 28(4): 785-788.

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Welding?Shrinkage?Deformation?and?Residual?Stress?of?Duplex?Stainless?Steel?2205

2205双相不锈钢焊接收缩变形与残余应力研究

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