Damage behavior in quasi-isotropic CFRP laminates with small fiber orientation angle mismatch

The use of carbon fiber reinforced plastic (CFRP) has contributed in producing light-weighted and strong aircraft structures. However, the low impact resistance of CFRP makes it easier for internal damages to occur. By using thin-ply prepeg with thickness of less than 0.05 mm, laminates with smaller...

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Autores principales:	Nurul Nabihah A. HAMID, Hayato NAKATANI, Shinji OGIHARA
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2016
Materias:	carbon fiber reinforced plastics quasi-isotropic thin-ply prepreg orientation angle tensile loading low-velocity impact delamination damage behavior Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/f49fc274cc2a45589c0632d93820bfd8
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spelling	oai:doaj.org-article:f49fc274cc2a45589c0632d93820bfd82021-11-26T06:35:12ZDamage behavior in quasi-isotropic CFRP laminates with small fiber orientation angle mismatch2187-974510.1299/mej.14-00422https://doaj.org/article/f49fc274cc2a45589c0632d93820bfd82016-01-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/3/1/3_14-00422/_pdf/-char/enhttps://doaj.org/toc/2187-9745The use of carbon fiber reinforced plastic (CFRP) has contributed in producing light-weighted and strong aircraft structures. However, the low impact resistance of CFRP makes it easier for internal damages to occur. By using thin-ply prepeg with thickness of less than 0.05 mm, laminates with smaller differences in fiber orientation angle and with the same thickness as the conventional laminates can be formed. This study investigates and compares the mechanical properties and damage behaviours between quasi-isotropic laminates with fiber orientation angle mismatch of 45 degrees (45QI) and laminates with small fiber orientation angle mismatch of 15 degrees (15QI). Both laminates are loaded in tension in 0, 7.5, 15 and 22.5 degrees. Low velocity impact tests are also conducted. From tensile testing, 15QI laminates shows more isotropic properties in strength than 45QI. Damages were observed by using microscopic and X-ray images. Crack propagation in width direction can be prevented in 15QI laminates. From low velocity impact testing, we understand that impact responses are not depending so much on the fiber orientation angle mismatch. In terms of internal damage, 15QI laminates has smaller delaminated area near the impact point compared to 45QI laminates.Nurul Nabihah A. HAMIDHayato NAKATANIShinji OGIHARAThe Japan Society of Mechanical Engineersarticlecarbon fiber reinforced plasticsquasi-isotropicthin-ply prepregorientation angletensile loadinglow-velocity impactdelaminationdamage behaviorMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 3, Iss 1, Pp 14-00422-14-00422 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	carbon fiber reinforced plastics quasi-isotropic thin-ply prepreg orientation angle tensile loading low-velocity impact delamination damage behavior Mechanical engineering and machinery TJ1-1570
spellingShingle	carbon fiber reinforced plastics quasi-isotropic thin-ply prepreg orientation angle tensile loading low-velocity impact delamination damage behavior Mechanical engineering and machinery TJ1-1570 Nurul Nabihah A. HAMID Hayato NAKATANI Shinji OGIHARA Damage behavior in quasi-isotropic CFRP laminates with small fiber orientation angle mismatch
description	The use of carbon fiber reinforced plastic (CFRP) has contributed in producing light-weighted and strong aircraft structures. However, the low impact resistance of CFRP makes it easier for internal damages to occur. By using thin-ply prepeg with thickness of less than 0.05 mm, laminates with smaller differences in fiber orientation angle and with the same thickness as the conventional laminates can be formed. This study investigates and compares the mechanical properties and damage behaviours between quasi-isotropic laminates with fiber orientation angle mismatch of 45 degrees (45QI) and laminates with small fiber orientation angle mismatch of 15 degrees (15QI). Both laminates are loaded in tension in 0, 7.5, 15 and 22.5 degrees. Low velocity impact tests are also conducted. From tensile testing, 15QI laminates shows more isotropic properties in strength than 45QI. Damages were observed by using microscopic and X-ray images. Crack propagation in width direction can be prevented in 15QI laminates. From low velocity impact testing, we understand that impact responses are not depending so much on the fiber orientation angle mismatch. In terms of internal damage, 15QI laminates has smaller delaminated area near the impact point compared to 45QI laminates.
format	article
author	Nurul Nabihah A. HAMID Hayato NAKATANI Shinji OGIHARA
author_facet	Nurul Nabihah A. HAMID Hayato NAKATANI Shinji OGIHARA
author_sort	Nurul Nabihah A. HAMID
title	Damage behavior in quasi-isotropic CFRP laminates with small fiber orientation angle mismatch
title_short	Damage behavior in quasi-isotropic CFRP laminates with small fiber orientation angle mismatch
title_full	Damage behavior in quasi-isotropic CFRP laminates with small fiber orientation angle mismatch
title_fullStr	Damage behavior in quasi-isotropic CFRP laminates with small fiber orientation angle mismatch
title_full_unstemmed	Damage behavior in quasi-isotropic CFRP laminates with small fiber orientation angle mismatch
title_sort	damage behavior in quasi-isotropic cfrp laminates with small fiber orientation angle mismatch
publisher	The Japan Society of Mechanical Engineers
publishDate	2016
url	https://doaj.org/article/f49fc274cc2a45589c0632d93820bfd8
work_keys_str_mv	AT nurulnabihahahamid damagebehaviorinquasiisotropiccfrplaminateswithsmallfiberorientationanglemismatch AT hayatonakatani damagebehaviorinquasiisotropiccfrplaminateswithsmallfiberorientationanglemismatch AT shinjiogihara damagebehaviorinquasiisotropiccfrplaminateswithsmallfiberorientationanglemismatch
_version_	1718409755152613376

Damage behavior in quasi-isotropic CFRP laminates with small fiber orientation angle mismatch

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