Experimental Confirmation of the Theory of Elastic Moduli of Fabric Composites-Reference-Cited by-同舟云学术

Experimental Confirmation of the Theory of Elastic Moduli of Fabric Composites

Published:1985-09 Issue:5 Volume:19 Page:443-458
ISSN:0021-9983
Container-title:Journal of Composite Materials
language:en
Short-container-title:Journal of Composite Materials

Author:

Ishikawa Takashi¹,Matsushima Masamichi¹,Hayashi Youichi¹,Chou Tsu-Wei²

Affiliation:

1. First Airframe Division, National Aerospace Laboratory 1880, Jindaiji, Chofu, Tokyo, 182, Japan

2. Department of Mechanical and Aerospace Engineering University of Delaware Newark, Delaware 19716, U. S.A.

Abstract

Some experiments for measuring the elastic moduli of fabric composites are con ducted in order to evaluate the theoretical predictions developed by the authors in their previous work. Experimental results coincide very well with the theory for 8 harness satin carbon/epoxy systems. There exists some discrepancy between theories for con strained and unconstrained local warping in the case of plain weave composites. Ex perimental results are bounded by these two theories. The dependency of elastic moduli on laminate ply number is discovered in plain weave composites. The ratio of ply thickness to thread width is also a very important parameter, which strongly affects the elastic moduli of plain weave composites. The in-plane shear modulus of fabric composites is mainly influenced by fiber volume fraction, which varies linearly with ng. Off-axis properties of fabric composites are measured and compared with theories. The experimental results essentially confirm the validity of the author's theoretical predictions.

Publisher

SAGE Publications

Subject

Materials Chemistry,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

Link

http://journals.sagepub.com/doi/pdf/10.1177/002199838501900504

Reference18 articles.

1. 737 graphite-epoxy horizontal stabilizer certification

2. Tada, Y., Ishikawa, T. and Nakai, E. "Tests of CFRP Spar/Rib Models with Corrugated Web," Proc. of 1st Japan-US Conf. of Composite Mater. Tokyo, Japan, pp. 461-470 (January 1981).

3. Hirai, T. and Senba, T. "On the Mechanical Behavior of Fabric-Strengthened Composites Considering Three-Dimensional Cross-Linked Structure," in Advances in Composite Materials, Proceedings of the Third International Conference on Composite Materials, ed. by A. R. Bunsell, et al. Pergamon Press, pp. 357-371 (1980).

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