[1]李海龙,陈 晶,徐 成,等.等厚304L薄板全焊透激光焊单道搭接仿真分析[J].焊管,2015,38(12):51-54.[doi:1001-3938(2015)12-0051-04]
 LI Hailong,CHEN Jing,XU Cheng,et al.Study of a single pass in full penetration laser lap welding of 1 mm thickness 304L[J].,2015,38(12):51-54.[doi:1001-3938(2015)12-0051-04]
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等厚304L薄板全焊透激光焊单道搭接仿真分析
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
38
期数:
2015年第12期
页码:
51-54
栏目:
工艺与设备
出版日期:
2015-12-28

文章信息/Info

Title:
Study of a single pass in full penetration laser lap welding
of 1 mm thickness 304L
文章编号:
1001-3938(2015)12-0051-04
作者:
李海龙1陈 晶1徐 成1徐 玄2任旭升1张 棋1
(1. 上海蓝滨石化设备有限责任公司, 上海 201518;
2. 中国核电工程有限公司 河北分公司, 石家庄 050021)
Author(s):
LI Hailong1CHEN Jing1XU Cheng1XU Xuan2REN Xusheng1ZHANG Qi1
(1. Shanghai Lanbin Petrochemical Equipment Co., Ltd., Shanghai 201518,China;
2. China Nuclear Engineering Co., Ltd., Hebei Branch, Shijiazhuang 050021, Hebei,China)
关键词:
焊接激光焊搭接线能量SYSWELD软件
Keywords:
welding laser welding lapping linear energySYSWELD software
分类号:
TG456.7
DOI:
1001-3938(2015)12-0051-04
文献标志码:
A
摘要:
基于SYSWELD软件对厚度为1 mm 304L薄板进行了激光焊单道搭接仿真分析,研究了不同线能量对焊缝质量的影响,重点分析了焊缝纵向残余应力以及焊缝屈服强度。结果表明,焊缝屈服强度随焊接线能量增加而降低,且沿焊缝垂直方向屈服强度呈M状分布;通过采用屈服强度与纵向残余应力的差值表征焊道焊接质量优劣,发现焊道薄弱位置在焊缝靠夹具一侧的热影响区处;当焊接速度为3 m/min、线能量为45 J/mm时,焊接质量最优。
Abstract:
A single pass in full penetration laser lap welding of 1 mm thickness 304L was analyzed based on SYSWELD software. The influence of the different linear energy on weld quality was studied. Mainly focus on the longitudinal residual stress and yield strength. The results showed that the yield strength of weld decrease with linear energy increasing. The yield strength that on the vertical direction of weld presents a mode of M distribution. The weakest position which characterized by the difference between the residual force and the longitudinal stress is located on the HAZ which is close to clamp side. When the welding speed is 3 m/min, the heat input is 45 J/mm, the best welding quality can be obtained.

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备注/Memo

备注/Memo:
收稿日期:2015-08-25
作者简介:李海龙(1987—),男,硕士研究生,主要从事压力容器焊接研究工作。
更新日期/Last Update: