The paper discusses experimental observations and some related theoretical results associated with the mechanical response of two Ti3Al matrix composites, subjected to transverse loading. Both composites contain continuous unidirectional fibers; however, there are considerable differences in the composition of the two interfaces. The Ti3Al/SCS-6 system contains brittle reaction products around the fibers that degrade the strength of the composite. The second composite consists of a Ti3Al matrix reinforced by sapphire fibers that are strongly bonded to the matrix. Experimental observations indicate that the damage mechanisms in the two composites are substantially different. Utilizing elastic analyses of the local stress field, an attempt was made to explain the dependence of the observed damage mechanisms on the residual field and the properties of the interface.
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July 1994
Research Papers
Damage Mechanisms in Ti3Al Matrix Composites
Demitris Kouris,
Demitris Kouris
Department of Mechanical and Aerospace Engineering, Arizona State University, Tempe, AZ 85287-6106
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David Marshall
David Marshall
Rockwell International Science Center, 1049 Camino Dos Rios, Thousand Oaks, CA 91360
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Demitris Kouris
Department of Mechanical and Aerospace Engineering, Arizona State University, Tempe, AZ 85287-6106
David Marshall
Rockwell International Science Center, 1049 Camino Dos Rios, Thousand Oaks, CA 91360
J. Eng. Mater. Technol. Jul 1994, 116(3): 319-324 (6 pages)
Published Online: July 1, 1994
Article history
Received:
August 14, 1993
Revised:
January 27, 1994
Online:
April 29, 2008
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A commentary has been published:
Closure to “Discussion of ‘Elastohydrodynamic Lubrication With O/W Emulsions’” (1994, ASME J. Tribol., 116, pp. 319–320)
Citation
Kouris, D., and Marshall, D. (July 1, 1994). "Damage Mechanisms in Ti3Al Matrix Composites." ASME. J. Eng. Mater. Technol. July 1994; 116(3): 319–324. https://doi.org/10.1115/1.2904294
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