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Similar and dissimilar resistance spot weldability of galvanised DP1000 and TWIP980 steels
Wei, S. T.1,2; Lv, D.2; Liu, R. D.2; Lin, L.2
Corresponding AuthorWei, S. T.(shitong_wei@yahoo.com)
2017
Source PublicationSCIENCE AND TECHNOLOGY OF WELDING AND JOINING
ISSN1362-1718
Volume22Issue:4Pages:278-286
AbstractSimilar and dissimilar combinations of a 1000MPa galvanised dual phase (DP) steel and a 980MPa twining-induced plasticity (TWIP) steel were resistance spot welded under different welding parameters. The microstructure, expulsion situation, nugget size and mechanical properties of spot welds were evaluated systematically. The results showed that the differences of microstructure and chemical compositions caused that the weld nugget hardness increases in the order of TWIP/TWIP, DP/TWIP and DP/DP. The lower melting point and heat conductivity of the TWIP steel and the lower electric resistance of the zinc coat on the DP steel caused that the expulsion occurring current increased in the order of TWIP/TWIP, DP/TWIP and DP/DP and under the same welding condition the nugget diameter increased in the order of DP/DP, DP/TWIP and TWIP/TWIP. Furthermore, the tensile shear failure mode and location depends on the nugget size, microstructure and hardness distribution of spot weld.
KeywordResistance spot welding Dual phase steel Twining induced plasticity steel Microstructure Mechanical properties Nugget diameter Failure mode
DOI10.1080/13621718.2016.1226569
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000395766500002
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/123920
Collection中国科学院金属研究所
Corresponding AuthorWei, S. T.
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China
2.Technol Ctr Angang Steel Co Ltd, Automobile & Home Appliance Steel Inst, 63 Wuyi Rd, Anshan 114009, Peoples R China
Recommended Citation
GB/T 7714
Wei, S. T.,Lv, D.,Liu, R. D.,et al. Similar and dissimilar resistance spot weldability of galvanised DP1000 and TWIP980 steels[J]. SCIENCE AND TECHNOLOGY OF WELDING AND JOINING,2017,22(4):278-286.
APA Wei, S. T.,Lv, D.,Liu, R. D.,&Lin, L..(2017).Similar and dissimilar resistance spot weldability of galvanised DP1000 and TWIP980 steels.SCIENCE AND TECHNOLOGY OF WELDING AND JOINING,22(4),278-286.
MLA Wei, S. T.,et al."Similar and dissimilar resistance spot weldability of galvanised DP1000 and TWIP980 steels".SCIENCE AND TECHNOLOGY OF WELDING AND JOINING 22.4(2017):278-286.
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