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Estimations of Total Life in Whole Fatigue-Damage-Fracture Process of Structures and their Components under Many-Stage Loading Conditions

机译:多阶段载荷条件下结构及其部件的整体疲劳-损伤-断裂过程的总寿命估算

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摘要

The paper suggests some calculating formulas and methods with respect to total life estimation in the whole fatigue-damage-fracture process of structures and their components, under which the damage evolving process of materials is undergone in two stages from un-crack,microcrack initiation to crack-formation stage and crack propagation up to the fracture stage, under which the materials are subjected to many stage loading and high-cycle or low-cycle fatigue loading.
机译:本文针对结构及其部件的整个疲劳-破坏-断裂过程,提出了一些与总寿命估算有关的计算公式和方法,在这种过程中,材料的损伤演化过程经历了从无裂纹,微裂纹引发到断裂的两个阶段。裂纹形成阶段和裂纹扩展到断裂阶段,在此阶段材料承受许多阶段载荷以及高循环或低循环疲劳载荷。

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