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Issues in Potential IMC Application for Aerospace Structures

Published online by Cambridge University Press:  15 February 2011

Charles H. Ward  and
Andrew S. Culbertson
Charles H. Ward
Affiliation:
Air Force Office of Scientific Research, AFOSR/NC, Boiling AFB, DC 20332-0001
Andrew S. Culbertson
Affiliation:
Naval Air Warfare Center, Aircraft Division, PO Box 7176, Trenton, NJ 08628-0176
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Abstract

Intermetallic-matrix composites (IMCs) are intended for applications involving higher temperatures and stresses than conventional metallic matrix composites. Consequently, environmental effects, thermo-mechanical fatigue, interfacial thermodynamic stability, creep resistance, processing and cost are only a few of the obstacles to introduction in real products. The primary goal of current IMC development efforts is to provide ‘revolutionary’ materials for components that are enabling technologies in advanced demonstrator gas turbine engines. As compared to production applications, the hurdles for entry into demonstrator engine programs are not as high due to the limited operating time and the small number of parts to be produced. This paper examines the barriers to the introduction of IMCs in the context of application to production aerospace structures.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 350: Symposium U – Intermetallic Matrix Composites III , 1994 , 3
Copyright
Copyright © Materials Research Society 1994

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