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Microstructural and mechanical characteristics of laser welding of Ti6Al4V and lead metal
Zhao SS(赵树森); Yu G(虞钢); He XL(何秀丽); Hu YW(胡耀武); Zhao, SS; Bldg 1,Room 425,A35 QingHua E Rd, Beijing 100083, Peoples R China.
Source PublicationJOURNAL OF MATERIALS PROCESSING TECHNOLOGY
2012-07-01
Volume212Issue:7Pages:1520-1527
ISSN0924-0136
AbstractTitanium alloy Ti6Al4V and lead metal were welded using a continuous wave Nd:YAG laser. The influences of laser power, scanning velocity, and laser beam offset on weld morphology were investigated. Microstructure, chemical composition and mechanical properties of the joints were evaluated. Experimental results showed that fusion weld formed at the upper part of the weld and brazing weld with solder of Pb formed at the lower part of the weld under appropriate process condition. Interfaces were formed between mixed fusion zone and liquid lead zone in molten pool during laser welding of Ti6Al4V and lead. Reasons for interface formation may be different driving force of various regions in molten pool, and the miscibility gap of Ti and Pb binary system. Ti-Pb intermetallic compound Ti4Pb was detected at the fusion weld zone, which made the microhardness of the weld seam was higher than that of the base materials. The strength of the joint was at least equal to or larger than that of lead base material.
KeywordLaser Welding Welding Of Different Materials Interfaces Microstructure Mechanical Properties Ni Dissimilar Couple Molten Pool Titanium Aluminum
Subject Area制造工艺力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000304020800009
Funding OrganizationThe research was sponsored by National Natural Science of China (Grant Nos. 10832011 and 10972222).
DepartmentMAM激光智能制造工艺力学
Classification二类/Q1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46622
Collection先进制造工艺力学重点实验室
Corresponding AuthorZhao, SS; Bldg 1,Room 425,A35 QingHua E Rd, Beijing 100083, Peoples R China.
Recommended Citation
GB/T 7714
Zhao SS,Yu G,He XL,et al. Microstructural and mechanical characteristics of laser welding of Ti6Al4V and lead metal[J]. JOURNAL OF MATERIALS PROCESSING TECHNOLOGY,2012,212(7):1520-1527.
APA 赵树森,虞钢,何秀丽,胡耀武,Zhao, SS,&Bldg 1,Room 425,A35 QingHua E Rd, Beijing 100083, Peoples R China..(2012).Microstructural and mechanical characteristics of laser welding of Ti6Al4V and lead metal.JOURNAL OF MATERIALS PROCESSING TECHNOLOGY,212(7),1520-1527.
MLA 赵树森,et al."Microstructural and mechanical characteristics of laser welding of Ti6Al4V and lead metal".JOURNAL OF MATERIALS PROCESSING TECHNOLOGY 212.7(2012):1520-1527.
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