Effect of Overload on the Near-Threshold Fatigue Crack Growth Rate in a 2024-T3 Aluminum Alloy: II. Fatigue Crack Growth Simulation for Calculating the Fatigue Life under Alternating Loading

Савкин, А. Н.; Sunder, R.; Андроник, А. В.; Sedov, Alexander

doi:10.1134/s0036029519050100

Cited by 5 publications

(1 citation statement)

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“…There are several factors, which are responsible for nonlinear damage mechanisms. The effects of overloading and geometrical discontinuities are predominately studied in the existing literature [86][87][88]. The nonlinear nature of fatigue damage due to overloading and under loading creates irregular local stress amplitude near the crack tip.…”

Section: Life Estimation Methodsmentioning

confidence: 99%

Current challenges in modelling vibrational fatigue and fracture of structures: a review

Kamei

Khan

2021

J Braz. Soc. Mech. Sci. Eng.

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Fatigue damage is a concern in the engineering applications particularly for metal structures. The design phase of a structure considers factors that can prevent or delay the fatigue and fracture failures and increase its working life. This paper compiled some of the past efforts to share the modelling challenges. It provides an overview on the existing research complexities in the area of fatigue and fracture modelling. This paper reviews the previous research work under five prominent challenges: assessing fatigue damage accurately under the vibration-based loads, complications in fatigue and fracture life estimation, intricacy in fatigue crack propagation, quantification of cracks and stochastic response of structure under thermal environment. In the conclusion, the authors have suggested new directions of work that still require comprehensive research efforts to bridge the existing gap in the current academic domain due to the highlighted challenges.

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Section: Life Estimation Methodsmentioning

confidence: 99%