Effect of Transverse Moduli on Through-Thickness Hygrothermal Expansion Coefficients of Composite Laminates

Author:

Yeh H.-L.1,Yeh H.-Y.2

Affiliation:

1. Department of Civil Engineering, I-Shou University, Kaohsiung County, Taiwan 84008, ROC

2. Department of Mechanical and Aerospace Engineering, California State University, Long Beach, CA 90840-8305

Abstract

In practical analysis, under a plane stress condition, a unidirectional lamina can be assumed with E2=E3 from geometrical symmetry consideration. However, from an academic point of view, it is interesting to study the case of a lamina with E2≠E3. In this paper the preliminary results of the physical phenomenon about the effect of different transverse moduli E2 and E3 on the through-thickness thermal expansion coefficients αz of quasi-isotropic composite laminates is presented.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics

Reference12 articles.

1. Michael C., and Niu, Y., 1992, Composite Airframe Structures, Conmilit Press Ltd.

2. Zhang, R., Yeh, H.-L., and Yeh, H.-Y., 1998, “A Preliminary Study of Negative Poisson’s Ratio of Laminated Fiber Reinforced Composites,” J. Reinf. Plast. Compos., 17, No. 18, pp. 1651–1664.

3. Jones, R. M., 1998, Mechanics of Composite Materials, 2nd Ed., Taylor & Francis, London.

4. Agarwal, B. D., and Broutman, L. J., 1990, “Analysis and Performance of Fiber Composites,” 2nd Ed., John Wiley and Sons, New York.

5. Gibson, R. F., 1994, Principles of Composite Material Mechanics, McGraw-Hill, New York.

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