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Achieving a strong polypropylene/aluminum alloy friction spot joint via a surface laser processing pretreatment
Han, S. C.1,2; Wu, L. H.1; Jiang, C. Y.1; Li, N.1; Jia, C. L.1; Xue, P.1; Zhang, H.1; Zhao, H. B.1; Ni, D. R.1; Xiao, B. L.1; Ma, Z. Y.1
Corresponding AuthorWu, L. H.(lhwu@imr.ac.cn) ; Xiao, B. L.(blxiao@imr.ac.cn)
2020-08-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume50Pages:103-114
AbstractStrong metal/non-polar plastic dissimilar joints are highly demanded for the lightweight design in many fields, which, however, are rather challenging to achieve directly via welding. In this study, we designed a laser processing pretreatment on the Al alloy to create a deep porous Al surface structure, which was successfully joined to the polypropylene (PP) via friction spot welding. A maximum joint strength of 29 MPa was achieved, the same as that of the base PP (i.e. the joint efficiency reached 100%), much larger than ever reported. The joining mechanism of the Al alloy and the PP was mainly attributed to the large mechanical interlocking effect between the laser processed Al porous structure and the re-solidified PP and the formation of chemical bond at the interface. The deep porous Al surface structure modified by laser processing largely changed the Al-PP reaction feature. The evidence of the C-O-Al chemical bond was first time found at the non-polar plastic/Al joint interface, which was the reaction result between the oxide on the Al alloy surface and thermal oxidization products of the PP during welding. This study provides a new way for enhancing metal-plastic joints via surface laser treatment techniques. (C) 2020 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordFriction stir welding Hybrid joint Metal Polymer Surface treatment Interface
Funding OrganizationNational Natural Science Foundation of China ; IMRSYNLT.S. Ke Research Fellowship
DOI10.1016/j.jmst.2020.02.035
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51975553] ; National Natural Science Foundation of China[51931009] ; IMRSYNLT.S. Ke Research Fellowship
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000537588800011
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/139083
Collection中国科学院金属研究所
Corresponding AuthorWu, L. H.; Xiao, B. L.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Guilin Univ Technol, Dept Mat Sci & Engn, Guilin 541006, Peoples R China
Recommended Citation
GB/T 7714
Han, S. C.,Wu, L. H.,Jiang, C. Y.,et al. Achieving a strong polypropylene/aluminum alloy friction spot joint via a surface laser processing pretreatment[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2020,50:103-114.
APA Han, S. C..,Wu, L. H..,Jiang, C. Y..,Li, N..,Jia, C. L..,...&Ma, Z. Y..(2020).Achieving a strong polypropylene/aluminum alloy friction spot joint via a surface laser processing pretreatment.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,50,103-114.
MLA Han, S. C.,et al."Achieving a strong polypropylene/aluminum alloy friction spot joint via a surface laser processing pretreatment".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 50(2020):103-114.
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