NASA Contractor Report 18223 1 i . Local-Global Analysis of Crack Growth in Continuously Reinforced Ceramic Matrix Composites ( YASI-CR-18223 1 ) LOC dL-GLOE. AL ABIALYSIS OF I8 9- 1 382 0 CliACK 6609T8 Ill CCITIYUOOSLP LEIPPGBCED CEBAtlIC HAPEIX CCEPOSILES Pioal lieport (Case Western Reserve Onio.) SO CSCL 20K Uaclas 63/39 0183393 Roberto Ballarini and Shamin Ahmed Case Western Reserve University Cleveland, Ohio December 1988 Prepared for Lewis Research Center Under Grant NAG3-856 National Aeronautics and Space Administration