Fatigue behavior of carbon fibre reinforced plastic and aluminum single-lap adhesive joints after the transverse pre-impact

Liu, X; Zheng, G; Luo, Q; Li, Q; Sun, G

Fatigue behavior of carbon fibre reinforced plastic and aluminum single-lap adhesive joints after the transverse pre-impact

Liu, X Zheng, G Luo, Q

Li, Q Sun, G

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Publisher:: ELSEVIER SCI LTD
Publication Type:: Journal Article
Citation:: International Journal of Fatigue, 2021, 144
Issue Date:: 2021-03-01

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Field	Value	Language
dc.contributor.author	Liu, X
dc.contributor.author	Zheng, G
dc.contributor.author	Luo, Q https://orcid.org/0000-0001-5727-9290
dc.contributor.author	Li, Q
dc.contributor.author	Sun, G
dc.date.accessioned	2022-04-25T20:41:15Z
dc.date.available	2022-04-25T20:41:15Z
dc.date.issued	2021-03-01
dc.identifier.citation	International Journal of Fatigue, 2021, 144
dc.identifier.issn	0142-1123
dc.identifier.issn	1879-3452
dc.identifier.uri	http://hdl.handle.net/10453/156578
dc.description.abstract	This study aims to investigate the fatigue degradation of carbon fibre reinforced plastic (CFRP) composite and aluminum (CFRP/Al) adhesively-bonded joints after certain levels of transverse pre-impact. The CFRP/Al adhesive joints were tested post impact under quasi-static loading and different levels of cyclic loading to study fatigue behaviors. Based upon the fatigue testing results and a two-parameter Weibull distribution method, the S-N curves were established at different reliabilities to provide fundamental data for engineering applications. The experimental results showed that the fatigue life of the CFRP/Al adhesively-bonded joints decreased with increase of pre-impact energy in general. The post impact fatigue load-bearing mechanisms of the joints could come from the harmful effect caused by the pre-impact damage and beneficial effect due to mechanical interlock induced by certain plastic deformation of aluminum adherend. The adhesive failure was identified to be the major failure mode regardless of the pre-impact energy and cyclic loading levels. Meanwhile, the fatigue life of the joints decreased with increase in the cyclic loading, and was more sensitive to a higher load as indicated from the S-N curves obtained.
dc.language	English
dc.publisher	ELSEVIER SCI LTD
dc.relation.ispartof	International Journal of Fatigue
dc.relation.isbasedon	10.1016/j.ijfatigue.2020.105973
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0905 Civil Engineering, 0913 Mechanical Engineering
dc.subject.classification	Mechanical Engineering & Transports
dc.title	Fatigue behavior of carbon fibre reinforced plastic and aluminum single-lap adhesive joints after the transverse pre-impact
dc.type	Journal Article
utslib.citation.volume	144
utslib.for	0905 Civil Engineering
utslib.for	0913 Mechanical Engineering
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Mechanical and Mechatronic Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2022-04-25T20:41:07Z
pubs.publication-status	Published
pubs.volume	144

Abstract:

This study aims to investigate the fatigue degradation of carbon fibre reinforced plastic (CFRP) composite and aluminum (CFRP/Al) adhesively-bonded joints after certain levels of transverse pre-impact. The CFRP/Al adhesive joints were tested post impact under quasi-static loading and different levels of cyclic loading to study fatigue behaviors. Based upon the fatigue testing results and a two-parameter Weibull distribution method, the S-N curves were established at different reliabilities to provide fundamental data for engineering applications. The experimental results showed that the fatigue life of the CFRP/Al adhesively-bonded joints decreased with increase of pre-impact energy in general. The post impact fatigue load-bearing mechanisms of the joints could come from the harmful effect caused by the pre-impact damage and beneficial effect due to mechanical interlock induced by certain plastic deformation of aluminum adherend. The adhesive failure was identified to be the major failure mode regardless of the pre-impact energy and cyclic loading levels. Meanwhile, the fatigue life of the joints decreased with increase in the cyclic loading, and was more sensitive to a higher load as indicated from the S-N curves obtained.

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http://hdl.handle.net/10453/156578