Thermal Response of Graphite Epoxy Composite Subjected to Rapid Heating

Author:

Griffis C.A.1,Masumura R.A.1,Chang C.I.1

Affiliation:

1. Material Science and Technology Division Naval Research Laboratory Washington, D. C. 20375

Abstract

A one-dimensional finite difference analysis describing the transient ther mal response of fiber-reinforced organic matrix composte plates subjected to intense surface heating is presented. The effects of fiber ablation, matrix decomposition, and radiation and convective heat losses are included in the formulation. Numerical results are in good agreement with mass loss and thermocouple mesurements obtained from laser irradiation tests on AS/3501-6 graphite epoxy coupons. A steady state analytic solution is also given which provides a reasonable estimate of the surface recession rate over much of the surface irradiation period.

Publisher

SAGE Publications

Subject

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

Reference8 articles.

1. Menousek, J.F. and Monin, D.L. "Laser Thermal Modeling of Graphite Epoxy," NWC Technical Memorandum Report 3834, Naval Weapons Center (China Lake, CA), June 1979. 4. Boley, B.A. and J.H. Weiner, Theory of Thermal Stresses, John Wiley and Sons, Inc., April 1967, p. 190.

2. Carslaw, H.S. and Jaegar, J.C., Conduction of Heat in Solids, Oxford Univ. Press , 1959, p. 15.

3. Melting of a half-space subjected to a constant heat input

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