Life Prediction of Gas Turbine Materials (original) (raw)

This paper focuses on the life prediction of gas turbine materials, highlighting the essential role of high-temperature materials in the performance and durability of gas turbine engines. It discusses various material damage mechanisms, the evolution of material life through damage processes, and the challenges in life prediction methodologies in the context of increasing operating demands. The necessity for accurate life prediction methods is underscored, especially with advancements in prognosis and health management systems. The study aims to establish a physics-based life prediction methodology by reviewing high-temperature deformation principles and discussing critical factors influencing material integrity under operational stresses.