T Nozawa et aL/Journal of Nuclear Materials 384(2009)195-211 400+ Non-irradiated 0200400600800 Irradiation Temperature[] Irradiation Temperature r'c d Non-irradiated Non-irradiated 0 200400 0001200 Irradiation Temperature rcl Irradiation Temperature r'C) Fig. 5. Effects( n temperature on(a) Youngs modulus, (b) proportional limit stress. (c)ultimate tensile strength and (d) total elongation fo licalonType-S/CVI-SiC composites with either a Py c monolayer or a Py c/ sic multilayer interphase. The data subsets of neutron dose range in 0.7-4.. or unidirectional Hi 00 f Pyc monolayer(720nm-thick) PyC/SiC multilayer and sliding Debond initiation ample thickness: 200um Displacement [nm ig. 6. Typical push-out fracture behaviors of Hi-Nicalon Type-s/CVI-SiC composites with either a Pyc monolayer or a Pyc sic multilayer interphase.Fig. 5. Effects of irradiation temperature on (a) Young’s modulus, (b) proportional limit stress, (c) ultimate tensile strength and (d) total elongation for unidirectional Hi￾NicalonTM Type-S/CVI-SiC composites with either a PyC monolayer or a PyC/SiC multilayer interphase. The data subsets of neutron dose range in 0.7–4.2 dpa were plotted. Fig. 6. Typical push-out fracture behaviors of Hi-Nicalon Type-S/CVI-SiC composites with either a PyC monolayer or a PyC/SiC multilayer interphase. T. Nozawa et al. / Journal of Nuclear Materials 384 (2009) 195–211 201