Study on the Process and Performance of Copper/Stainless Steel Fillet Laser Welding

REN Lujun; JIANG Hongrun; LI Guang; SHI Yu; XU Youwei; ZHANG Jing; HOU Xuqian; WANG Rui

doi:10.7512/j.issn.1001-2303.2022.11.05

Important Issuse | Views : 0 下载量: 12 CSCD: 0

PDF
Export
Share
Collection
Album

Study on the Process and Performance of Copper/Stainless Steel Fillet Laser Welding
Vol. 52, Issue 11, Pages: 31-36(2022)
DOI： 10.7512/j.issn.1001-2303.2022.11.05

扫描看全文

任路俊，蒋宏润，李广，等.铜/钢角接激光焊工艺和性能研究［J］.电焊机，2022，52（11）：31-36.

REN Lujun, JIANG Hongrun, LI Guang, et al.Study on the Process and Performance of Copper/Stainless Steel Fillet Laser Welding[J].Electric Welding Machine, 2022, 52(11): 31-36.
任路俊，蒋宏润，李广，等.铜/钢角接激光焊工艺和性能研究［J］.电焊机，2022，52（11）：31-36. DOI： 10.7512/j.issn.1001-2303.2022.11.05.

REN Lujun, JIANG Hongrun, LI Guang, et al.Study on the Process and Performance of Copper/Stainless Steel Fillet Laser Welding[J].Electric Welding Machine, 2022, 52(11): 31-36. DOI： 10.7512/j.issn.1001-2303.2022.11.05.

摘要

针对铜/钢直连型永久阴极板对其导电性和耐腐蚀性能的较高要求，采用激光不填丝焊接方法研究不同激光功率和预热条件下的铜/钢角接焊接接头的形貌和微观组织。同时测量了接头的名义抗拉强度、电导率及耐腐蚀性能。铜/钢角接头焊缝成形质量随激光功率增大先上升后下降，激光功率3 000 W时预热后的接头焊缝质量最优，接头成形良好，无焊接裂纹，熔合区内球状和枝晶状ε-Cu颗粒相均匀分布在γ相为主的（γ+ε）双相固溶体组织中；不同激光功率下接头的力学性能和电导率均表现为：预热3 000 W>3 000 W>2 000 W>4 000 W；接头铜侧区域更容易腐蚀失效，熔合区中的ε-Cu相易于腐蚀溶解，接头钢侧区域的耐腐蚀性能较好。

Abstract

In order to meet the performance requirements of copper/stainless steel direct-connected permanent cathode plate, laser welding without filler wire is used to study the morphology and microstructure of copper/stainless steel fillet welded joint under different laser power and preheating conditions. The nominal tensile strength, conductivity and corrosion resistance of the joint are also measured. The results show that the weld forming quality of copper/stainless steel joints increases and then decreases with the laser power increases. After preheating with laser power of 3 000 W, the quality of welded joint is optimal, the joint is well formed and no welding cracks. Spherical and dendritic ε-Cu particle phase in fusion zone uniformly distribute in (γ+ε) dual-phase solid solution organization dominated by γ-phase. The mechanical properties and conductivity of joint with different laser power are as follows: preheating with 3 000 W>3 000 W>2 000 W>4 000 W. The copper side area of the joint is more prone to corrosion failure, the steel side area has good corrosion resistance, and the ε-Cu phase in fusion zone is easily corroded and dissolved.

关键词

铜/钢焊接激光焊接力学性能导电性能腐蚀性能

Keywords

copper/stainless steel weldinglaser weldingmechanical propertieselectrical conductivitycorrosion properties

references

李亚江，王娟，刘鹏.异种难焊材料的焊接及应用［M］.北京：化学工业出版社，2004.

XIE H M，LI S W，GUO Z H，et al.Extraction of Lead from Electrolytic Manganese Anode Mud by Microwave coupled Ultrasound Technology［J］.Journal of Hazardous Materials，2020，407（2）：124622.

薛方勤.铜电解精炼不锈钢阴极材料的研究与应用［D］.云南：昆明理工大学，2003.

XUE F Q.Studies and Application of Stainless Steel Cathode in Copper Electrolytic Refining［D］.Yunnan： Kunming University of Science and Technology，2003.

周玲丽.电解铜节能新工艺的研究［D］.上海：华东理工大学，2013.

ZHOU L L.Research of a New Energy-Saving Technology of Electrolytic Copper［D］.Shanghai：East China University of Science and Technology，2013.

I·J佩里，D·W霍内，R·B莱斯，等.澳大利亚汤士威尔铜精炼厂采用ISA电解精炼工艺的技术经济评价［J］.有色冶金设计与研究，1994，15（03）：57-64.

Perry I J，Horney D W，Laise R B，et al.Technical and Economic Evaluation of ISA Electrolytic Refining Process in Townsville Copper Refinery in Australia［J］.Nonferrous Metals Engineering & Research，1994，15（03）：57-64.

王瑞.永久阴极板导电杆铜/钢直连工艺与接头性能研究［D］.甘肃：兰州理工大学，2019.

WANG R.Study on Copper/Stell Direct Connection Process of Permanent Cathode Plate Conductive Rod and the Property of Its Joints［D］.Gansu：Lanzhou University of Technology，2019.

王瑞，石玗，李广，等.镍对铜/不锈钢GTAW接头导电性及腐蚀性能的影响［J］.焊接学报，2019，40（12）：53-58.

WANG R，SHI Y，LI G，et al.Effect of nickel on conductivity and corrosion of copper/stainless steel GTAW joints［J］.Transactions of the China Welding Institution，2019，40（12）：53-58.

石玗，侯旭倩，王瑞，等.不同焊接工艺下铜/钢异种金属熔焊接头性能研究［J］.电焊机，2021，51（9）：7-12.

SHI Y，HOU X Q，WANG R，et al.Study on performance of copper/steel dissimilar metal fusion welding joint under different welding technology［J］.Electric Welding Machine，2021，51（9）：7-12.

XU Y W，HOU X Q，SHI Y，et al.Correlation between the microstructure and corrosion behaviour of copper/316 L stainless-steel dissimilar-metal welded joints［J］.Corrosion Science，2021，191：109729.

Munitz A.Liquid separation effects in FeCu alloys solidified under different cooling rates［J］.Metallurgical and Materials Transactions B，1987，18（3）：565-575.

Soysal T，Kou S，Tat D，et al.Macrosegregation in dissimilar-metal fusion welding［J］.Acta Materialia，2016，110：149-160.

Callister Jr W D.Materials Science and Engineering-An Introduction（5th ed.）［J］.Anti-Corrosion Methods and Material，2000，47（1）：［页码不详］.

LU L，SHEN Y F，CHEN X H，et al.Ultrahigh strength and high electrical conductivity in copper［J］.Science，2004，304（5669）：422-426.

ZHANG L J，ZHANG G F，NING J，et al.Microstructure and properties of the laser butt welded 1.5 mm thick T2 copper joint achieved at high welding speed［J］.Materials & Design，2015，88：720-736.

WANG X J，CHEN Z N，REN J，et al.Corrosion behavior of as-cast Mg-5Sn based alloys with In additions in 3.5 wt% NaCl solution［J］.Corrosion Science，2019，164：108318.

WEI X，LIU P D，MA S J，et al.Improvement on corrosion resistance and biocompability of ZK60 magnesium alloy by carboxyl ion implantation［J］.Corrosion Scien-ce，2020，173（3）：108729.

Alert me when the article has been cited

提交

Study on the Quality Control of Arc Crater in Laser Welding Girth Weld