J. Ye, AK Kaw Theoretical and Applied Fracture Mechanics 32(1999)15-25 modulus ratio, and fiber volume fraction are [RJ. Kearns, T.A. Parthasarthy, Theoretical analysis of the varied. This 20% difference translates to similar It and pushout test, J. Am. Ceram Soc. 74(7) magnitudes of differences in the extracted value (1991)15851596 of the coefficient of friction [8S. Trimula, H. Madanaraj, A K. Kaw, G.H. Besterfield, J. Ye. Effect of extrinsic and intrinsic factors on an indentation test. Int J Solids Struct. 33(24)(1996)3497- References [9A. Dollar, P.S. Steif, Y.S. Wang, C.Y. Hui, Analyses of the fiber pushout test, Int J Solids Struct. 30 (10)(1993)1313- [K.T. Faber, Ceramic composite interfaces: properties and design, Ann. Rev. Mater. Sci. 27(1997)499-524 [10] C.A. Brebbia, J. Dominguez, Boundary elements an intro [2]D B. Marshall, An indentation method for measuring ductory course, Computational Mechanics, McGraw-Hill, natrix-fiber frictional stresses in ceramic composites. J.Am. Ceram.Soc.67(12)(1984)C259C260. [ w.s. Hale, The Boundary Element Method 3]Jw. Laughner, NJ. Shaw, R.T. Bhatt, J.A. DiCarlo, Boston. 1994 Simple indentation method for measurement of interfacial [12] J H. Kane, Boundary Element Analysis in Er shear strength in SiC/Si, N4 composites, presented at the Continuum mechanics. Prentice hall. englewoo NJ.1994 10th Annual Conference on Composites and Advanced eramic Materials, American Ceramic Society, Cocoa [3 M. Kuntz, K.H. Schlapschi, B. Meier, G. Grathwohl h.FL.1986 Evaluation of interface parameters in pushout and pull-out (M.K. Brun, R.N. Singh, Measurements of interfacial shear tests, Composites 25(7)(1994)476-481 ength in fiber-reinforced composites, presented at the [14 M. Kuntz, Experimental data sent via e-mail to the second h Annual Meeting of the American Ceramic Society, Pittsburgh, PA, 1987. [5A. K. Kaw, N.J. Pagano, Axisymmetric thermoelastic []D K. 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