January 1999 Fiber Effects on Minicomposite Mechanical Properties for Several SiC/Cv1-SiC Matrix System 9J. Lamon, F. Rebillat, and A G. Evans, ""Microcomposite Test Procedure allout in Brittle Composites with Friction, Mech. Mater, 9, 139-63 rface Properties of Ceramic Matrix Composites, ' J.Ar 2T.A. Parthasarathy, D B. Marshall, and R J. Kerans, ""Analysis of the D. R. Mumm and K. T. Faber. "Interfacial Debonding and Sliding in ffect Brittle- Matrix red Using an Improved Fiber Pullout Tech- trix Composites, " Acta Metall. Mater, 42[11]3773-84(1 A. Parthasarathy and R J. Kerans,""Predicted Effects G.N. Morscher, J. Martinez-Fernandez, and M. J. Purdy, Determination Roughness on the Behavior of Selected Ceramic Composites, J Am Ceram of Interfacial Properties Using a Single-Fiber Microcomposite Test, J. Am. Soc., 80 [8]2043-55 (1997). cerapMatrix shall. "Analysis of Fiber Debonding and Sliding Experiments in Hysteresis Measurements and the Constituent Properties of Cera Ise. M. 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Purdy, ‘‘Determination of Interfacial Properties Using a Single-Fiber Microcomposite Test,’’ J. Am. Ceram. Soc., 79 [4] 1083–91 (1996). 12D. B. Marshall, ‘‘Analysis of Fiber Debonding and Sliding Experiments in Brittle Matrix Composites,’’ Acta Metall. Mater., 40 [3] 427–41 (1992). 13A. G. Evans and F. W. Zok, ‘‘The Physics and Mechanics of Fibre￾Reinforced Brittle Matrix Composites,’’ J. Mater. Sci., 29, 3857–96 (1994). 14(a) S. Ho and Z. Suo, ‘‘Tunneling Cracks in Constrained Layers,’’ J. Appl. Mech., 60, 890–94 (1993). (b) Z. C. Xia, R. R. Carr, and J. W. Hutchinson, ‘‘Traverse Cracking in Fiber Reinforced Brittle Matrix, Cross-Ply Laminates,’’ Acta Metall. Mater., 41 [8] 2365–76 (1993). 15C. Griffen, 3M Corp., St. Paul, MN; private communication. 16A. W. Moore, H. Sayir, S. C. Farmer, and G. N. Morscher, ‘‘Improved Interface Coatings for SiC Fibers in Ceramic Composites,’’ Ceram. Eng. Sci. Proc., 16 [4] 409–16 (1995). 17N. Jacobson, S. Farmer, A. Moore, and H. 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