Mechanisms of High-Temperature Fatigue and Fracture in Silicon Carbide Ceramics 1 D. Chen, X.F. Zhang, and R.O. Ritchie High Frequency Fatigue Crack Propagation in the Nickel-base Superalloy KM4 at High Temperatures 9 A. Shyam, S.A. Padula, and W.W. Milligan Fracture and Fatigue-Crack Growth Behavior in Mo-12Si-8.5B Intermetallics at Ambient and Elevated Temperatures 17 H. Choe, D. Chen, J.H Schneibel, and R.O. Ritchie Temperature Evolution and Fatigue Damage of Reactor Pressure...