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Effects of welding speed on the multiscale residual stresses in friction stir welded metal matrix composites
Zhang, X. X.; Wu, L. H.; Andrae, H.; Gan, W. M.; Hofmann, M.; Wang, D.; Ni, D. R.; Xiao, B. L.; Ma, Z. Y.
2019-05-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume35Issue:5Pages:824-832
AbstractThe effects of welding speed on the macroscopic and microscopic residual stresses (RSes) in friction stir welded 17 vol.% SiCp/2009Al-T4 composite plates were studied via neutron diffraction and an improved decoupled hierarchical multiscale modeling methods. Measurements showed that the macroscopic and total RSes had the largest variations in the longitudinal direction (LD). Increasing the welding speed led to higher values of measured LD macroscopic and total RSes in the matrix. The welding speed also significantly influenced the distributions and magnitudes of the microscopic RSes. The RSes were predicted via an improved hierarchical multiscale model, which includes a constant coefficient of friction based thermal model. The RSes in the composite plates before friction stir welding (FSW) were computed and then set as the initial states of the FSW process during modeling. This improved decoupled multiscale model provided improved predictions of the temperature and RSes compared with our previous model. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordMetal-matrix composites (MMCs) Friction stir welding Residual/internal stress Neutron diffraction Finite element analysis (FEA) Multiscale simulation
Indexed BySCI
Language英语
WOS IDWOS:000460640200016
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81151
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhang, X. X.,Wu, L. H.,Andrae, H.,et al. Effects of welding speed on the multiscale residual stresses in friction stir welded metal matrix composites[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2019,35(5):824-832.
APA Zhang, X. X..,Wu, L. H..,Andrae, H..,Gan, W. M..,Hofmann, M..,...&Ma, Z. Y..(2019).Effects of welding speed on the multiscale residual stresses in friction stir welded metal matrix composites.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,35(5),824-832.
MLA Zhang, X. X.,et al."Effects of welding speed on the multiscale residual stresses in friction stir welded metal matrix composites".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 35.5(2019):824-832.
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