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Fatigue fracture behaviour of spot welded B1500HS steel under tensile-shear load
Wang, B.; Duan, Q. Q.; Yao, G.; Pang, J. C.; Zhang, Z. F.; Wang, L.; Li, X. W.; xwli@mail.neu.edu.cn
2015
Source PublicationFATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES
ISSN8756-758X
Volume38Issue:8Pages:914-922
AbstractThe microstructural characterizations, micro-hardness measurements and fatigue tests of B1500HS steel spot welded tensile-shear specimens were performed. The high hardness values of base material (470 HV) and nugget (515 HV) are closely related to the dominant formation of martensitic microstructures, while the occurrence of soft zone is the result of the formation of ferrite phases in inter-critical heat-affected zone (HAZ), as well as martensite tempering in sub-critical HAZ. The fatigue failure modes involve the fracture along the circumference or along the direction of width. The fatigue property of spot welded B1500HS is found to be better than that of spot welded M190 because of the thicker sheet and suitable nugget size, which follows the standard rule of 5t(0.5), where t is the sheet thickness.
description.department[wang, b. ; li, x. w.] northeastern univ, inst mat phys & chem, coll sci, shenyang 110819, peoples r china ; [wang, b. ; duan, q. q. ; yao, g. ; pang, j. c. ; zhang, z. f.] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china ; [wang, b. ; li, x. w.] northeastern univ, key lab anisotropy & texture mat, minist educ, shenyang 110819, peoples r china ; [wang, l.] baoshan iron & steel co ltd, shanghai 201900, peoples r china
KeywordSpot Weld B1500hs Tensile-shear Failure Mode Fatigue Performance
Funding OrganizationNational Natural Science Foundation of China (NSFC) [51271054, 51231002]; Fundamental Research Funds for the Central Universities of China [N110105001, N120505001]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74852
Collection中国科学院金属研究所
Corresponding Authorxwli@mail.neu.edu.cn
Recommended Citation
GB/T 7714
Wang, B.,Duan, Q. Q.,Yao, G.,et al. Fatigue fracture behaviour of spot welded B1500HS steel under tensile-shear load[J]. FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES,2015,38(8):914-922.
APA Wang, B..,Duan, Q. Q..,Yao, G..,Pang, J. C..,Zhang, Z. F..,...&xwli@mail.neu.edu.cn.(2015).Fatigue fracture behaviour of spot welded B1500HS steel under tensile-shear load.FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES,38(8),914-922.
MLA Wang, B.,et al."Fatigue fracture behaviour of spot welded B1500HS steel under tensile-shear load".FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES 38.8(2015):914-922.
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