[1]王胜伟,李曼德,刘显勇,等.焊接热输入对堆焊残余应力和变形的影响分析[J].焊管,2017,40(12):19-23,27.[doi:DOI: 10.19291/j.cnki.1001-3938.2017.12.004]
 WANG Shengwei,LI Mande,LIU Xianyong,et al.Analysis of Influence of Welding Heat Input on Surfacing Residual Stress and Deformation[J].,2017,40(12):19-23,27.[doi:DOI: 10.19291/j.cnki.1001-3938.2017.12.004]
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焊接热输入对堆焊残余应力和变形的影响分析()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
40
期数:
2017年第12期
页码:
19-23,27
栏目:
试验与研究
出版日期:
2017-12-28

文章信息/Info

Title:
Analysis of Influence of Welding Heat Input on
Surfacing Residual Stress and Deformation
文章编号:
DOI: 10.19291/j.cnki.1001-3938.2017.12.004
作者:
王胜伟1李曼德2刘显勇1程伟林1
1. 滁州永强汽车制造有限公司,安徽 滁州 239000;
2. 中航飞机股份有限公司 长沙起落架分公司,长沙 410000
Author(s):
WANG Shengwei1 LI Mande2 LIU Xianyong1 CHENG Weilin1
1. Chuzhou Yongqiang Vehicles Manufacturing Co., Ltd., Chuzhou 239000, Anhui, China;
2. Changsha Aircraft Landing Gear Branch of Aircraft International Corporation Ltd., AVIC, Changsha, 410000, China
关键词:
焊接热输入最大残余应力形变量
Keywords:
welding heat input maximum residual stress deformation
分类号:
TG404
DOI:
DOI: 10.19291/j.cnki.1001-3938.2017.12.004
文献标志码:
A
摘要:
为了研究热输入对堆焊残余应力和变形的影响,建立了钢板堆焊的有限元网格模型,进行了高斯移动热源的加载,通过改变焊接电流和焊接速度的大小,研究了热输入对堆焊残余应力和变形的影响规律。研究结果表明,焊件最大残余应力节点位于焊缝区域;最大形变处位于焊件宽度方向的外端;一定范围内,增大焊接电流,焊件形变量先变大后变小,最大残余应力数值逐渐变大,最终趋于某一定值;增大焊接速度,焊件最大残余应力和形变量均逐渐减小。
Abstract:
In order to analyze the influence of heat input on surfacing residual stress and deformation, a finite element mesh model of steel plate surfacing was established, Gauss moving heat source was loaded, and the influence of heat input on surfacing residual stress and deformation was analyzed by the change of welding electric current and welding speed. The research results showed that the nodes where the residual stresses of welding reached the maximum value were located in the weld zone; the area where the deformation reached the maximum value was located at the outer end of the welding in the width direction; in a certain range, with the increasing of welding current, the shape variable of the weldment became larger and then smaller, and the maximum residual stress value increased gradually,and finally tended to a certain value; with the increase of welding speed, the maximum residual stress and deformation of weldment decreased gradually.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2017-08-24
作者简介:王胜伟(1989―),男,山西临汾人,硕士,工程师,主要从事专用车、特种车的设计研发工作。
更新日期/Last Update: 2018-02-23