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Achieving strong friction lap joints of carbon-fiber reinforced plastic and metals by modifying metal surface structure via laser-processing pretreatment
Wu, L. H.; Xiao, B. L.; Nagatsuka, K.; Nakata, K.; Ma, Z. Y.
2020-06-15
Source PublicationCOMPOSITE STRUCTURES
Volume242
AbstractStrong dissimilar joints of metals and carbon fiber reinforced plastic (CFRP) are highly demanded for the lightweight design in many fields, which, however, are rather challenging to achieve directly via welding. In this study, 5052 Al alloy and plain carbon steel were first pretreated by a laser-processing method to create rather coarse porous metal surfaces, which were then welded to polyamide 6 based CFRP using friction lap joining. The maximum tensile shear force of the dissimilar joints of CFRP-Al alloy and CFRP-steel achieved 4.9 kN, and 3.9 kN, respectively, and the joint efficiency achieved 78% and 62%, respectively, which were more than three times as those of the CFRP- as-received metal joints. This is the first report on the strengthening of the metal-CFRP friction based joints via the assisting laser treatment technique. The significant improvement of the joint strength could be attributed to a great increase of the mechanical anchors and the chemical bonding area at the metal-CFRP interface.
DOI10.1016/j.compstruct.2020.112167
WOS IDWOS:000539330600003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82771
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Wu, L. H.,Xiao, B. L.,Nagatsuka, K.,et al. Achieving strong friction lap joints of carbon-fiber reinforced plastic and metals by modifying metal surface structure via laser-processing pretreatment[J]. COMPOSITE STRUCTURES,2020,242.
APA Wu, L. H.,Xiao, B. L.,Nagatsuka, K.,Nakata, K.,&Ma, Z. Y..(2020).Achieving strong friction lap joints of carbon-fiber reinforced plastic and metals by modifying metal surface structure via laser-processing pretreatment.COMPOSITE STRUCTURES,242.
MLA Wu, L. H.,et al."Achieving strong friction lap joints of carbon-fiber reinforced plastic and metals by modifying metal surface structure via laser-processing pretreatment".COMPOSITE STRUCTURES 242(2020).
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