全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

16mmS355J2W+N耐候钢板激光电弧复合焊对接工艺

, PP. 181-186

Keywords: 材料合成与加工工艺,接头特性,激光电弧复合焊,S355J2W+N,焊缝成形

Full-Text   Cite this paper   Add to My Lib

Abstract:

应用激光共聚焦显微镜、扫描电镜、显微硬度计及万能拉伸试验机等仪器研究了复合焊焊接参数对焊缝成形、复合焊焊接接头的组织及力学性能的影响。研究结果表明:激光功率、焊接电流均对熔深增大有促进作用;激光功率对熔宽无明显影响,但当激光功率相对较低时,焊缝熔宽呈宽窄交替的“麻花状”;多层焊焊缝形貌类似“高脚杯”状;焊缝金属中存在少量气孔,其形成与焊接过程中母材及焊丝中金属锰气化无直接联系。焊接接头拉伸过程中产生明显颈缩,断裂发生在母材区,断口表面具有明显的塑性变形特征。

References

[1]  Gao Ming, Zeng Xiao-yan, Yan Jun, et al. Microstructure characteristics of laser-MIG hybrid welded mild steel[J]. Appl Surf Sci, 2008, 254: 5715-5721.
[2]  Ribic B, Palmer T A, Deb Roy T. Problems and issues in laser-arc hybrid welding[J]. Int Mater Rev, 2009, 54(4): 223-244.
[3]  Gao M, Zeng X Y, Hu Q W. Effects of gas shielding parameters on weld penetration of CO2 laser-TIG hybrid welding[J]. J Mater Process Tech, 2007, 184: 177-183.
[4]  Guen E Le, Fabbro R, Carin M, et al. Analysis of hybrid Nd: YAG laser-MAG arc welding processes[J]. Opt Laser Technol, 2011, 43: 1155-1166.
[5]  Uwe R, Simon O, Michael M, et al. Laser beam submerged arc hybrid welding[J]. Physics Procedia, 2011, 12: 179-187.
[6]  张励中, 刘博维, 张淘, 等. S355J2W+N耐候钢焊接接头显微组织与力学性能[J]. 北京交通大学学报,2012, 36(4): 127-134.Zhang Li-zhong, Liu Bo-wei, Zhang Tao, et al. Microstructures and mechanical properties of the welded joints of S355J2W+N steel[J]. Journal of Beijing Jiaotong University, 2012, 36(4): 127-134.
[7]  杨德惠,宋全超. S355J2与S355J2W细晶粒钢焊接接头力学性能分析[J]. 焊接技术,2013, 42(3): 30-31.Yang De-hui, Song Quan-chao. Study on mechanical properties of the welded joints of fine grain steel S355J2 and S355J2W[J]. Welding Technology, 2013,42(3): 30-31.
[8]  Bagger C, Olsen F O. Review of laser hybrid welding[J]. J Laser Appl, 2005, 17: 2-14.
[9]  Cao X, Wanjara P, Huang J, et al. Hybrid fiber laser-arc welding of thick section high strength low alloy steel[J]. Mater Des, 2011, 32: 3399-3413.
[10]  Tusek J, Suban M. Hybrid welding with arc and laser beam[J]. Sci Technol Weld Joi, 1999, 4: 308-311.
[11]  Yan Jun, Gao Ming, Zeng Xiao-yan. Study on microstructure and mechanical properties of 304 stainless steel joints by TIG, laser and laser-TIG hybrid welding[J]. Opt Laser Eng, 2010, 48: 512-517.
[12]  东涛, 刘嘉禾. 我国低合金钢及微合金钢的发展、问题和方向[J]. 钢铁, 2000, 35(11): 71-75.Dong Tao, Liu Jia-he. Progress, problems and forecast of low alloy and microalloy steels in China[J]. Steel, 2000, 35(11): 71-75.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133