This study aimed to evaluate the effect of the number of uses and autoclave sterilization on the cyclic fatigue resistance of four replica-like instruments RC Blue; Only One File Blue; Recip One Blue; ...

Purely static loading is rarely observed in modern engineering components or structures. By far, the majority of structures involve parts subjected to fluctuating or cyclic loads, often resulting in ...

When an aircraft engine operates, the high-speed intake airflow often draws foreign hard objects (sand, rivets, and stones et al.) into the engine, resulting in damage to the fan or compressor blades.