This page discusses material fatigue leading to failure from repeated loading, focusing on crack initiation and growth patterns, tools like the S-N curve and Goodman diagram, and the limitations of Mi...This page discusses material fatigue leading to failure from repeated loading, focusing on crack initiation and growth patterns, tools like the S-N curve and Goodman diagram, and the limitations of Miner's Law in estimating cumulative damage. It also introduces Paris law for crack growth rates linked to stress intensity, underscoring the need for safety in engineering.