Tailoring the Microstructure of a Metal-Reinforced Ceramic Matrix Composite

[+] Author and Article Information
O. Sbaizero

Department of Mechanical Engineering, University of Colorado at Boulder, Boulder, CO 80309

G. Pezzotti

Department of Materials, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan

J. Eng. Mater. Technol 122(3), 363-367 (Mar 16, 2000) (5 pages) doi:10.1115/1.482810 History: Received January 15, 2000; Revised March 16, 2000
Copyright © 2000 by ASME
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Grahic Jump Location
Schematic picture of the 3-point bending stabilizer. Details of the notching procedure and the bending stabilizer can be found in previous papers 131415
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Microstructure of the hot-pressed composites (a) 20 vol percent of fine Mo particles, (b) 20 vol percent of coarse Mo particles
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R curves for the two composites. R-curves obtained through numerical integration of the Irwin equation are plotted as continuous lines.
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Typical linear map of the bridging stresses as a function of the distance from the crack tip for: (a) 10 vol percent, (b) 20 vol percent, (c) 30 vol percent of Mo
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Micrograph of in-situAl2O3/Mo during crack propagation



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