Polydopamine as sizing on carbon fiber surfaces for enhancement of epoxy laminated composites

Han, W; Zhang, HP; Tavakoli, J; Campbell, J; Tang, Y

Polydopamine as sizing on carbon fiber surfaces for enhancement of epoxy laminated composites

Han, W Zhang, HP Tavakoli, J

Campbell, J Tang, Y

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Publisher:: ELSEVIER SCI LTD
Publication Type:: Journal Article
Citation:: Composites Part A: Applied Science and Manufacturing, 2018, 107, pp. 626-632
Issue Date:: 2018-04-01

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Field	Value	Language
dc.contributor.author	Han, W
dc.contributor.author	Zhang, HP
dc.contributor.author	Tavakoli, J https://orcid.org/0000-0002-0696-6530
dc.contributor.author	Campbell, J
dc.contributor.author	Tang, Y
dc.date.accessioned	2022-09-05T20:57:20Z
dc.date.available	2022-09-05T20:57:20Z
dc.date.issued	2018-04-01
dc.identifier.citation	Composites Part A: Applied Science and Manufacturing, 2018, 107, pp. 626-632
dc.identifier.issn	1359-835X
dc.identifier.issn	1878-5840
dc.identifier.uri	http://hdl.handle.net/10453/161378
dc.description.abstract	Carbon fiber reinforced polymer (CFRP) laminate normally has plastic dominant crack propagation behavior, inducing potential insecurity in the safety and reliability of structures in practical applications. In this study, we report a simple process to increase the stability of crack growth by using polydopamine (PDA) as sizing on the surface of carbon fiber (CF) fabric. The crack propagation behavior changes from a saw-tooth-shaped curve in neat CFRP laminate to a relatively smooth trending curve in PDA coated CFRP laminate with increased Mode I interlaminar fracture toughness. Enhanced impact strength and interlaminar shear strength of PDA coated CFRP laminates is also observed. A single fiber pull-out experiment and morphological study reveal that, with PDA coating on CF fabrics, cracks tend to fracture through the epoxy matrix rather than between fiber and matrix interfaces. The use of PDA as sizing on the CF contributes to improving the load transfer between the CF and the polymer matrix by enhancing the interfaces between the epoxy and the CF, increasing the friction of the fractured interface, reducing unstable crack growth, and thereby enhancing interfacial fracture toughness and impact performance.
dc.language	English
dc.publisher	ELSEVIER SCI LTD
dc.relation.ispartof	Composites Part A: Applied Science and Manufacturing
dc.relation.isbasedon	10.1016/j.compositesa.2018.02.003
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0901 Aerospace Engineering, 0912 Materials Engineering, 0913 Mechanical Engineering
dc.subject.classification	Materials
dc.title	Polydopamine as sizing on carbon fiber surfaces for enhancement of epoxy laminated composites
dc.type	Journal Article
utslib.citation.volume	107
utslib.for	0901 Aerospace Engineering
utslib.for	0912 Materials 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/Strength - CHT - Health Technologies
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Biomedical Engineering
pubs.organisational-group	/University of Technology Sydney/Centre for Health Technologies (CHT)
utslib.copyright.status	closed_access	*
dc.date.updated	2022-09-05T20:57:19Z
pubs.publication-status	Published
pubs.volume	107

Abstract:

Carbon fiber reinforced polymer (CFRP) laminate normally has plastic dominant crack propagation behavior, inducing potential insecurity in the safety and reliability of structures in practical applications. In this study, we report a simple process to increase the stability of crack growth by using polydopamine (PDA) as sizing on the surface of carbon fiber (CF) fabric. The crack propagation behavior changes from a saw-tooth-shaped curve in neat CFRP laminate to a relatively smooth trending curve in PDA coated CFRP laminate with increased Mode I interlaminar fracture toughness. Enhanced impact strength and interlaminar shear strength of PDA coated CFRP laminates is also observed. A single fiber pull-out experiment and morphological study reveal that, with PDA coating on CF fabrics, cracks tend to fracture through the epoxy matrix rather than between fiber and matrix interfaces. The use of PDA as sizing on the CF contributes to improving the load transfer between the CF and the polymer matrix by enhancing the interfaces between the epoxy and the CF, increasing the friction of the fractured interface, reducing unstable crack growth, and thereby enhancing interfacial fracture toughness and impact performance.

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http://hdl.handle.net/10453/161378