+**Material failure** is the point at which a substance can no longer perform its intended purpose, often leading to a loss of structural integrity. It occurs when applied [Stress](/wiki/stress) exceeds a material's capacity, resulting in [Fracture](/wiki/fracture) or permanent change.
+## See also
+- [Fatigue](/wiki/fatigue)
+- [Strength](/wiki/strength)
+- [Deformation](/wiki/deformation)