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14 juil. 2024 · This paper is divided into three main sections, each offering a distinct perspective on mechanical fatigue in metallic materials. All sections focus on the fatigue onset, defined as either the crack nucleation stage; or the point at which cracks begin to propagate from pre-existing dormant cracks.
3 juil. 2024 · The S–N curve, fatigue life, fatigue crack initiation and propagation, and stress concentration constitute major roles in fatigue analysis. Differences in microstructure, composition, loading conditions, and environmental factors all influence the fatigue characteristics of materials.
2 juil. 2024 · Fatigue is one of the most important mechanical properties of materials, characterizing a mechanical process of material degradation under cyclic loading. Fatigue performance plays a crucial...
17 juil. 2024 · Engineers have demonstrated improvements in the fatigue life of high strength aluminum alloys by 25 times -- a significant outcome for the transport manufacturing industry.
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27 juin 2024 · Some self-styled authorities will say that the metal "crystallized," which caused it to crack. You may envision the metal somehow getting "tired" and failing, and in some older aircraft it might seem that there was good reason to become tired, but these are far from the reality of metal fatigue.
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