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Mode i interlaminar fracture characterization of CFRP composite laminates

This study examines the deformation response of CFRP composites with preexisting delamination crack under Mode I loading. A DCB specimen is used in a series of Mode I interlaminar tests, each having a different initial delamination crack length. The 48-ply composite laminate has a symmetric ply sequ...

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Main Authors:	Koloor, S. S. R., Hussin, H., Tamin, M. N.
Format:	Article
Published:	2012
Subjects:	TA Engineering (General). Civil engineering (General)
Online Access:	http://eprints.utm.my/id/eprint/47222/ http://dx.doi.org/0.4028/www.scientific.net/AMR.488-489.552
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id	my.utm.47222
record_format	eprints
spelling	my.utm.472222019-03-31T08:34:55Z http://eprints.utm.my/id/eprint/47222/ Mode i interlaminar fracture characterization of CFRP composite laminates Koloor, S. S. R. Hussin, H. Tamin, M. N. TA Engineering (General). Civil engineering (General) This study examines the deformation response of CFRP composites with preexisting delamination crack under Mode I loading. A DCB specimen is used in a series of Mode I interlaminar tests, each having a different initial delamination crack length. The 48-ply composite laminate has a symmetric ply sequence with 0/0 fiber orientation at the mid-plane. Apparent toughness is indicated by the composite specimen with a starter film insert, likely due to the presence of a neat pocket of resin at the front of the starter crack. The compliance of pre-delamination cracked specimens increases faster beyond the normalized delamination length, a/L of 0.68 due to effects of severe deflection of the longer DCB specimen arm. The critical energy release rate, GIC = 0.5 N/mm is determined based on pre-cracked DCB specimens. Fractographic analysis revealed a smooth fracture plane that indicates interface delamination as the primary failure mode. 2012 Article PeerReviewed Koloor, S. S. R. and Hussin, H. and Tamin, M. N. (2012) Mode i interlaminar fracture characterization of CFRP composite laminates. Advanced Materials Research, 488-48 . pp. 552-556. ISSN 1022-6680 http://dx.doi.org/0.4028/www.scientific.net/AMR.488-489.552 DOI:0.4028/www.scientific.net/AMR.488-489.552
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
topic	TA Engineering (General). Civil engineering (General)
spellingShingle	TA Engineering (General). Civil engineering (General) Koloor, S. S. R. Hussin, H. Tamin, M. N. Mode i interlaminar fracture characterization of CFRP composite laminates
description	This study examines the deformation response of CFRP composites with preexisting delamination crack under Mode I loading. A DCB specimen is used in a series of Mode I interlaminar tests, each having a different initial delamination crack length. The 48-ply composite laminate has a symmetric ply sequence with 0/0 fiber orientation at the mid-plane. Apparent toughness is indicated by the composite specimen with a starter film insert, likely due to the presence of a neat pocket of resin at the front of the starter crack. The compliance of pre-delamination cracked specimens increases faster beyond the normalized delamination length, a/L of 0.68 due to effects of severe deflection of the longer DCB specimen arm. The critical energy release rate, GIC = 0.5 N/mm is determined based on pre-cracked DCB specimens. Fractographic analysis revealed a smooth fracture plane that indicates interface delamination as the primary failure mode.
format	Article
author	Koloor, S. S. R. Hussin, H. Tamin, M. N.
author_facet	Koloor, S. S. R. Hussin, H. Tamin, M. N.
author_sort	Koloor, S. S. R.
title	Mode i interlaminar fracture characterization of CFRP composite laminates
title_short	Mode i interlaminar fracture characterization of CFRP composite laminates
title_full	Mode i interlaminar fracture characterization of CFRP composite laminates
title_fullStr	Mode i interlaminar fracture characterization of CFRP composite laminates
title_full_unstemmed	Mode i interlaminar fracture characterization of CFRP composite laminates
title_sort	mode i interlaminar fracture characterization of cfrp composite laminates
publishDate	2012
url	http://eprints.utm.my/id/eprint/47222/ http://dx.doi.org/0.4028/www.scientific.net/AMR.488-489.552
_version_	1643652262950600704
score	13.2442

Mode i interlaminar fracture characterization of CFRP composite laminates

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