Thermal Analysis of Laser-Assisted Thermoplastic-Matrix Composite Tape Consolidation

[+] Author and Article Information
E. P. Beyeler, S. I. Güçeri

Thermal Engineering and Advanced Manufacturing Group, Department of Mechanical Engineering, Center for Composite Materials, University of Delaware, Newark, DE 19716

J. Heat Transfer 110(2), 424-430 (May 01, 1988) (7 pages) doi:10.1115/1.3250502 History: Received March 19, 1987; Online October 20, 2009


A novel approach to producing composite parts using thermoplastic-matrix tapes is described. A thermal analysis is presented for the case of focused heat sources such as lasers for melting and consolidating the prepregs in a continuous manufacturing process. A numerical grid generation method is employed to account for the complex geometry of the solution domain. Heat transfer is modeled using an orthotropic domain made of two-dimensional, continuous fiber anisotropic laminates. Heat of crystallization melting/solidification are included in the form of a heat generation term. The temperature distributions and thermal histories in the laminated composites are presented for varying consolidation speeds. The effects of preheating the consolidated laminate are investigated and the overall feasibility of the proposed process is discussed.

Copyright © 1988 by ASME
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