enational Journal of Applied Ceramic Technology Vol.7,No.3,2010 C -F-③ 8目 云8面8面面 。 E 曾 §g 手 988Table I. Description of Different Architectures for MI SiC/SiC Panels Architecture description No. plies, test direction Tow epcm, test direction Panel thickness (mm) Fiber type (no. of combined tows), volume fraction and predominate angle to test direction X (warp) Y (fill) Z (stuffer) SiC/SiC panel type (reference) AI-UNI 1D angle interlock through-the-thickness, Y-aligned, unbalanced 6.5 11 2.0 ZMI and rayon o0.05, 901 Sylramic-iBN (1) fo 5 0.23, 01 3DO-Un-R 3D orthogonal, unbalanced Y 5 test direction 7 9.8 1.53 Sylramic-iBN (1) B0.10, 901 Sylramic-iBN (1) fo 5 0.28, 01 Rayon o0.05, 901 3DO-Un-Z 3D orthogonal, unbalanced Y 5 test direction 7 9.8 1.58 Sylramic-iBN (1) B0.10, 901 Sylramic-iBN (1) fo 5 0.27, 01 ZMI o0.05, 901 LTLAI 3D layer-to-layer angle interlock 3 5.5 0.96 Sylramic-iBN (1) B0.10, 901 Sylramic-iBN (1) fo 5 0.10, 01 MI SiC/SiC panels from previous studies 2D 5HS10,14 2D five-harness satin balanced 0/90 lay-up 4–8 4.9–8.7 1.5–2.2 Sylramic-iBN (1) fo 5 0.12–0.2, 01 Sylramic-iBN (1) 0.12–0.2, 901 2D 5HS DT10 2D five-harness satin (double tow), balanced 0/90 lay-up 8 3.9 2.1 Sylramic-iBN (2) fo 5 0.19, 01 Sylramic-iBN (2) 0.19, 901 Braid15 2D triaxial braid (double tow); cut/tooled into panel, X 5 axial, Y 5 hoop 5 test direction 4 4.7 1.8 Sylramic-iBN (2) B0.1, 901 Sylramic-iBN (2) fo 5 0.26, 7231 3DO-Bal-R-Y6 3D orthogonal, nearly balanced; Y 5 test direction 7 7.9 1.95 Sylramic (2) B0.18, 901 Sylramic (1) fo 5 0.20, 01 rayon o0.05, 901 3DO-Bal-Z-Y6 3D orthogonal, nearly balanced; Y 5 test direction 7 7.1 2.05 Sylramic (2) B0.18, 901 Sylramic (1) fo 5 0.17, 01 ZMI o0.05, 901 3DO-Bal-Z-X6 3D orthogonal, nearly balanced; X 5 test direction 8 3.9 2 Sylramic (2) fo 5 0.18, 01 Sylramic (1) 0.17, 901 ZMI o0.05, B901 ‘‘Double Tow’’ refers to two tows woven or braided together which means Nfibers/tow 5 1600; emboldened fo values refer to test direction. MI, melt-infiltrated. 278 International Journal of Applied Ceramic Technology—Morscher, et al. Vol. 7, No. 3, 2010