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Indexed by:期刊论文

Date of Publication:2012-04-01

Journal:INTERNATIONAL JOURNAL OF MATERIALS RESEARCH

Included Journals:SCIE、EI、Scopus

Volume:103

Issue:4

Page Number:513-517

ISSN No.:1862-5282

Key Words:Triangle-section carbon fiber; Transverse Young's modulus; ANSYS; Halpin-Tsai analytical method; Shape factor

Abstract:In order to research the mechanical behavior of unidirectional triangle-section carbon fiber reinforced plastics (TCFRP), the composite was manufactured using the filament winding process, with a fiber volume fraction of 49.40%, and the transverse Young's modulus of TCFRP was tested. The distribution of triangle-section carbon fibers (TCFs) in the cross-section of TCFRP was investigated by observing and analyzing a lot of micrographs of the composite. By utilizing ANSYS software package and the Halpin-Tsai analytical method, the transverse Young's modulus of six groups models of unidirectional TCFRP with different fiber volume fractions (50.00%; 48.27%; 46.63%; 45.07%; 43.58% and 42.17%) were investigated, and the shape factors in the Halpin-Tsai equations were obtained. Based on the fitting curve, the relationship between the shape factors and fiber volume fractions was expressed as an equation, which could be used to predict the transverse Young's modulus of TCFRP with arbitrary TCFs content. For the TCFRP whose the fiber volume fraction was 49.40%. the prediction of transverse Young's modulus of TCFRP was compared with experimental data and the result shows good agreement.