REBILLAT et al. SiC/SIC COMPOSITES 3 8 An,avE 8 三8 豆三二REBILLAT et al.: SiC/SiC COMPOSITES 4615 Table 4. Interfacial characteristics extracted from the push-out curves for the 2D-SiC/BN/SiC composites reinforced with as-received or treated fibers, and from push-in or push-out curves for the SiC/BN/SiC microcomposites reinforced with as-received fibers (standard deviation is given in brackets) Sample thickness Displacement t (plateau) Interphase sd (MPa) smax (MPa) t (MPa) m A (nm) ld (µm) Gic (J/m2) (µm) (µm) (MPa) Composites BN1 (Sa) 200 (10) 1130 (200) 3680 (1315) 1.35 (0.3) 66 (9) 87 (22) 0.11 (0.02) 32 (14) 120 (20) 2.1 (1.1) BN2 (S) 90 (15) 1250 (170) 3770 (530) 1 (0.2) 95 (20) 83 (15) 0.09 (0.03) 45 (20) 95 (9) 2.8 (1.4) BN4 (S) 160 (50) 1200 (330) 2720 (760) 1.1 (0.6) 48 (9) 41 (13) 0.09 (0.03) 16 (10) 105 (15) 1.5 (1.9) BN2 (Ta) 60 (15) 2000 (440) 2770 (350) 140 (26) BN4 (T) 120 (10) 740 (100) 2670 (300) 0.9 (0.1) 77 (9) 66 (5) 0.06 (0.01) 68 (7) 120 (8) 1.1 (0.4) Microcomposites BN2 (S) push-in 280 (10) 1600 (400) 5500 (900) 1.6 (0.4) 100 (40) 0.11 (0.02) 50 (20) 110 (35) 16 (8) BN4 (S) push-out 190 (10) 1100 (500) 2500 (250) 0.6 (0.3) 48 (9) 40 (15) 0.04 (0.005) 45 (23) 110 (30) 0.5 (0.4) a S5as-received fibers, T5treated fibers