New designs of unidirectionally arrayed chopped strands by introducing discontinuous angled slits into prepreg

Hang Li; Wen Xue Wang; Yoshihiro Takao; Terutake Matsubara

doi:10.1016/j.compositesa.2012.09.009

New designs of unidirectionally arrayed chopped strands by introducing discontinuous angled slits into prepreg

Hang Li, Wen Xue Wang, Yoshihiro Takao, Terutake Matsubara

Division of Renewable Energy Dynamics

Research output: Contribution to journal › Article › peer-review

28 Citations (Scopus)

Abstract

New designs of unidirectionally arrayed chopped strands (UACSs) are proposed to improve existing UACS laminates with continuous angled slits by introducing discontinuous angled slits into a unidirectional prepreg. Two slit patterns of staggered angled slits and bi-angled slits are designed. A paper cutter is employed to introduce slits into the prepreg. Quasi-isotropic UACS laminates with new slit patterns and existing continuous angled slits together with the conventional laminate without slits are fabricated for tensile tests. Hybrid laminates [90/0/90] with two unidirectional glass-fiber/epoxy plies and one UACS ply are fabricated for flowability tests. Experimental results reveal that newly designed UACS laminates possess higher strength and better flowability than existing UACS laminate.

Original language	English
Pages (from-to)	127-133
Number of pages	7
Journal	Composites Part A: Applied Science and Manufacturing
Volume	45
DOIs	https://doi.org/10.1016/j.compositesa.2012.09.009
Publication status	Published - Feb 1 2013

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Mechanics of Materials

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10.1016/j.compositesa.2012.09.009

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title = "New designs of unidirectionally arrayed chopped strands by introducing discontinuous angled slits into prepreg",

abstract = "New designs of unidirectionally arrayed chopped strands (UACSs) are proposed to improve existing UACS laminates with continuous angled slits by introducing discontinuous angled slits into a unidirectional prepreg. Two slit patterns of staggered angled slits and bi-angled slits are designed. A paper cutter is employed to introduce slits into the prepreg. Quasi-isotropic UACS laminates with new slit patterns and existing continuous angled slits together with the conventional laminate without slits are fabricated for tensile tests. Hybrid laminates [90/0/90] with two unidirectional glass-fiber/epoxy plies and one UACS ply are fabricated for flowability tests. Experimental results reveal that newly designed UACS laminates possess higher strength and better flowability than existing UACS laminate.",

author = "Hang Li and Wang, {Wen Xue} and Yoshihiro Takao and Terutake Matsubara",

note = "Funding Information: This work was supported by Grant-in Aid for Scientific Research (B) (22360052) of Japan. Funding Information: This work was supported by Grant-in Aid for Scientific Research (B) (22360052) of Japan. Publisher Copyright: {\textcopyright} 2012 Elsevier Ltd. All rights reserved.",

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doi = "10.1016/j.compositesa.2012.09.009",

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AU - Li, Hang

AU - Wang, Wen Xue

AU - Takao, Yoshihiro

AU - Matsubara, Terutake

N1 - Funding Information: This work was supported by Grant-in Aid for Scientific Research (B) (22360052) of Japan. Funding Information: This work was supported by Grant-in Aid for Scientific Research (B) (22360052) of Japan. Publisher Copyright: © 2012 Elsevier Ltd. All rights reserved.

PY - 2013/2/1

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N2 - New designs of unidirectionally arrayed chopped strands (UACSs) are proposed to improve existing UACS laminates with continuous angled slits by introducing discontinuous angled slits into a unidirectional prepreg. Two slit patterns of staggered angled slits and bi-angled slits are designed. A paper cutter is employed to introduce slits into the prepreg. Quasi-isotropic UACS laminates with new slit patterns and existing continuous angled slits together with the conventional laminate without slits are fabricated for tensile tests. Hybrid laminates [90/0/90] with two unidirectional glass-fiber/epoxy plies and one UACS ply are fabricated for flowability tests. Experimental results reveal that newly designed UACS laminates possess higher strength and better flowability than existing UACS laminate.

AB - New designs of unidirectionally arrayed chopped strands (UACSs) are proposed to improve existing UACS laminates with continuous angled slits by introducing discontinuous angled slits into a unidirectional prepreg. Two slit patterns of staggered angled slits and bi-angled slits are designed. A paper cutter is employed to introduce slits into the prepreg. Quasi-isotropic UACS laminates with new slit patterns and existing continuous angled slits together with the conventional laminate without slits are fabricated for tensile tests. Hybrid laminates [90/0/90] with two unidirectional glass-fiber/epoxy plies and one UACS ply are fabricated for flowability tests. Experimental results reveal that newly designed UACS laminates possess higher strength and better flowability than existing UACS laminate.

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New designs of unidirectionally arrayed chopped strands by introducing discontinuous angled slits into prepreg

Abstract

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