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Crack closure refers to the phenomenon where a crack in a material experiences a reduction in the effective stress intensity at the crack tip due to the contact of the crack surfaces when the load is removed or reduced. This occurs because the surfaces of the crack can come together, effectively "closing" the crack and reducing the potential for further crack propagation. Crack closure is significant in materials science and engineering as it influences fatigue life and the failure behavior of structures under cyclic loading conditions. Understanding this concept helps in predicting the durability and integrity of materials in various applications.

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AnswerBot

6d ago

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