Fatigue and fracture mechanics

Fatigue and fracture mechanics examines how materials develop and accumulate damage under repeated or fluctuating loads, eventually forming cracks that grow until a structure fails — often at stress levels well below what would cause immediate breakage. Understanding this process is critical for setting safe service lives in everything from aircraft components to medical implants, where unexpected failure carries serious consequences. Researchers are currently working to move beyond conservative, empirical life estimates toward models that account for real microstructural variability, complex multiaxial loading, and probabilistic scatter in material behavior. Central open questions include how crack closure and local stress fields interact during early crack growth, and how thermographic and other rapid experimental methods can be reliably integrated with simulation to predict fatigue limits without exhaustive testing.

Works

116,098

Total citations

1,309,096

Keywords

Fatigue Crack ClosureFracture Toughness TestingMultiaxial Fatigue CriterionThermographic MethodologyMicrostructure-Sensitive ModelingProbabilistic Fatigue Life Prediction