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Effects of laser power density on static and dynamic mechanical properties of dissimilar stainless steel welded joints
Wei YP(魏延鹏); Li MH; Yu G(虞钢); Wu XQ(吴先前); Huang CG(黄晨光); Duan ZP(段祝平); Wei, YP; Chinese Acad Sci, Inst Mech, Key Lab Hydrodynam & Ocean Engn, Beijing 100190, Peoples R China.
Source PublicationACTA MECHANICA SINICA
2012-10-01
Volume28Issue:5Pages:1334-1339
ISSN0567-7718
AbstractThe mechanical properties of laser welded joints under impact loadings such as explosion and car crash etc. are critical for the engineering designs. The hardness, static and dynamic mechanical properties of AISI304 and AISI316 L dissimilar stainless steel welded joints by CO2 laser were experimentally studied. The dynamic strain-stress curves at the strain rate around 10(3) s(-1) were obtained by the split Hopkinson tensile bar (SHTB). The static mechanical properties of the welded joints have little changes with the laser power density and all fracture occurs at 316 L side. However, the strain rate sensitivity has a strong dependence on laser power density. The value of strain rate factor decreases with the increase of laser power density. The welded joint which may be applied for the impact loading can be obtained by reducing the laser power density in the case of welding quality assurance.
KeywordLaser Welding Dynamic Mechanics Strain Rate Power Density Industry Sheets
Subject Area制造工艺力学
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Indexed BySCI ; EI ; CSCD
Language英语
WOS IDWOS:000310884300013
Funding OrganizationThe project was supported by the National Natural Science Foundation of China (10832011).
DepartmentLMFS冲击与耦合效应(LHO)
Classification二类
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46651
Collection流固耦合系统力学重点实验室
非线性力学国家重点实验室
Corresponding AuthorWei, YP; Chinese Acad Sci, Inst Mech, Key Lab Hydrodynam & Ocean Engn, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Wei YP,Li MH,Yu G,et al. Effects of laser power density on static and dynamic mechanical properties of dissimilar stainless steel welded joints[J]. ACTA MECHANICA SINICA,2012,28(5):1334-1339.
APA Wei YP.,Li MH.,Yu G.,Wu XQ.,Huang CG.,...&Chinese Acad Sci, Inst Mech, Key Lab Hydrodynam & Ocean Engn, Beijing 100190, Peoples R China..(2012).Effects of laser power density on static and dynamic mechanical properties of dissimilar stainless steel welded joints.ACTA MECHANICA SINICA,28(5),1334-1339.
MLA Wei YP,et al."Effects of laser power density on static and dynamic mechanical properties of dissimilar stainless steel welded joints".ACTA MECHANICA SINICA 28.5(2012):1334-1339.
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