Fatigue Testing
Fatigue testing is a process of evaluating the durability and strength of materials under cyclic loading conditions. In the context of space and astronautical engineering, fatigue testing is used to assess the performance and reliability of materials and components that are subjected to repeated stress and strain cycles during launch, spaceflight, and re-entry. Fatigue testing is essential for ensuring the safety and longevity of spacecraft and their components, as well as for optimizing their design and reducing their weight. The testing can be performed using various methods, including axial, torsional, and bending loading, and can involve different types of specimens, such as coupons, beams, and full-scale structures. The results of fatigue testing are typically analyzed using statistical methods to determine the fatigue life, fatigue strength, and fatigue crack growth rate of the material or component.
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