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Fatigue overview - ttu.ee
Fatigue overview Introduction to Fatigue analysis Fatigue is the failure of a component after several repetitive load cycles. As a one-time occurrence, the load is not dangerous in itself. Over time the alternating load is able to break the structure anyway. It is estimated that between 50 and 90 % of product failures is caused by Fatigue , and based on this fact, Fatigue evaluation should be a part of all product development. What is Fatigue ? In materials science, Fatigue is the progressive and localized structural damage that occurs when a material is subjected to cyclic loading (material is stressed repeatedly).
Historical background •Fatigue theory is basically empirical.This means that the process of initiation of micro cracks that finally will form macroscopic cracks in the
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