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Process Modeling for Titanium Aluminide Matrix Composites

Published online by Cambridge University Press:  15 February 2011

C. C. Bampton ,
J. A. Graves ,
K. J. Newell  and
R. H. Lorenz
C. C. Bampton
Affiliation:
Science Center, Rockwell International Corporation, 1049 Camino Dos Rios, Thousand Oaks, CA 91360
J. A. Graves
Affiliation:
Science Center, Rockwell International Corporation, 1049 Camino Dos Rios, Thousand Oaks, CA 91360
K. J. Newell
Affiliation:
North American Aircraft, Rockwell International Corporation, 201 North Douglas Street, El Segundo, CA 90245
R. H. Lorenz
Affiliation:
North American Aircraft, Rockwell International Corporation, 201 North Douglas Street, El Segundo, CA 90245
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Abstract

Consolidation of continuous fiber-reinforced titanium aluminide matrix composites (TMC) by the foil/fiber/foil method has traditionally taken an empirical approach utilizing processing cycles derived by simple trial and error. In an effort to reduce the empirical nature of producing TMC, a simple but effective analytical approach is employed. This approach analyzes the effect of fiber and foil geometries on consolidation parameters by combining a physical constitutive creep model with computational methods of interpreting raw materials characterization data. Examples of SCS-6/super a2(Ti-25Al-10Nb-3Mo-lV) and Saphikon/γ-TiAl composites consolidation are discussed by comparing the model predictions with equivalent validation specimen microstructures.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 273: Symposium Q – Intermetallic Matrix Composites II , 1992 , 365
Copyright
Copyright © Materials Research Society 1992

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References

REFERENCES

1. NASP-MASAP “Titanium Matrix Composites,” Final Report.Google Scholar
2. P., Feltham, “Creep in Face-Centered-Cubic Metals with Special Reference to Copper,” Acta Met. 7, No. 9, 614–27, 1959.Google Scholar
3. Fleck, N.A., Kuhn, L.T. and McMeeking, R.M., “Yielding of Metal Powder Bonded by Isolated Contacts,” submitted to Journal of Mechanics and Physics of Solids, 1992.Google Scholar