Effect on residual strength properties of needle punched chopped strand mat composites

In recent years, due to its high specific stiffness and strength, fiber reinforced plastics (FRP) are being used in aerospace components, automobile components, sports equipment, and in various other applications. Especially since composite laminates have superior mechanical properties, there is a h...

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Autores principales: Daiki ICHIKAWA, Tohru MORII, Hiroyuki HAMADA, Akio OHTANI
Formato: article
Lenguaje:EN
Publicado: The Japan Society of Mechanical Engineers 2017
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Acceso en línea:https://doaj.org/article/13f6666732d14da98312d1dc820f3712
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spelling oai:doaj.org-article:13f6666732d14da98312d1dc820f37122021-11-26T07:16:02ZEffect on residual strength properties of needle punched chopped strand mat composites2187-974510.1299/mej.17-00445https://doaj.org/article/13f6666732d14da98312d1dc820f37122017-12-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/5/2/5_17-00445/_pdf/-char/enhttps://doaj.org/toc/2187-9745In recent years, due to its high specific stiffness and strength, fiber reinforced plastics (FRP) are being used in aerospace components, automobile components, sports equipment, and in various other applications. Especially since composite laminates have superior mechanical properties, there is a high demand for their use as structural materials. However, mechanical properties in the out-of-plane direction of composite laminates, specifically the interlaminar strength and fracture toughness, are much weaker than those in the in-plane direction. This study focuses on the needle punch techniques that aim to improve composite properties in the out-of-plane direction. This technique is typically used for fabricating non-woven fabrics. Fiber webs were punched by a plate containing many special needles with many barbs. A portion of fibers in the in-plane direction were aligned in the out-of-plane direction. In this study, the needle punch process is applied on chopped strand mats. Static tensile tests, fatigue loading tests, and residual strength tests are performed. Tensile properties, residual strength properties and fracture mechanisms of FRPs with needle-punched chopped strand mats are investigated.Daiki ICHIKAWATohru MORIIHiroyuki HAMADAAkio OHTANIThe Japan Society of Mechanical Engineersarticlefrpneedle punchchopped strand matresidual strength propertiesMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 5, Iss 2, Pp 17-00445-17-00445 (2017)
institution DOAJ
collection DOAJ
language EN
topic frp
needle punch
chopped strand mat
residual strength properties
Mechanical engineering and machinery
TJ1-1570
spellingShingle frp
needle punch
chopped strand mat
residual strength properties
Mechanical engineering and machinery
TJ1-1570
Daiki ICHIKAWA
Tohru MORII
Hiroyuki HAMADA
Akio OHTANI
Effect on residual strength properties of needle punched chopped strand mat composites
description In recent years, due to its high specific stiffness and strength, fiber reinforced plastics (FRP) are being used in aerospace components, automobile components, sports equipment, and in various other applications. Especially since composite laminates have superior mechanical properties, there is a high demand for their use as structural materials. However, mechanical properties in the out-of-plane direction of composite laminates, specifically the interlaminar strength and fracture toughness, are much weaker than those in the in-plane direction. This study focuses on the needle punch techniques that aim to improve composite properties in the out-of-plane direction. This technique is typically used for fabricating non-woven fabrics. Fiber webs were punched by a plate containing many special needles with many barbs. A portion of fibers in the in-plane direction were aligned in the out-of-plane direction. In this study, the needle punch process is applied on chopped strand mats. Static tensile tests, fatigue loading tests, and residual strength tests are performed. Tensile properties, residual strength properties and fracture mechanisms of FRPs with needle-punched chopped strand mats are investigated.
format article
author Daiki ICHIKAWA
Tohru MORII
Hiroyuki HAMADA
Akio OHTANI
author_facet Daiki ICHIKAWA
Tohru MORII
Hiroyuki HAMADA
Akio OHTANI
author_sort Daiki ICHIKAWA
title Effect on residual strength properties of needle punched chopped strand mat composites
title_short Effect on residual strength properties of needle punched chopped strand mat composites
title_full Effect on residual strength properties of needle punched chopped strand mat composites
title_fullStr Effect on residual strength properties of needle punched chopped strand mat composites
title_full_unstemmed Effect on residual strength properties of needle punched chopped strand mat composites
title_sort effect on residual strength properties of needle punched chopped strand mat composites
publisher The Japan Society of Mechanical Engineers
publishDate 2017
url https://doaj.org/article/13f6666732d14da98312d1dc820f3712
work_keys_str_mv AT daikiichikawa effectonresidualstrengthpropertiesofneedlepunchedchoppedstrandmatcomposites
AT tohrumorii effectonresidualstrengthpropertiesofneedlepunchedchoppedstrandmatcomposites
AT hiroyukihamada effectonresidualstrengthpropertiesofneedlepunchedchoppedstrandmatcomposites
AT akioohtani effectonresidualstrengthpropertiesofneedlepunchedchoppedstrandmatcomposites
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