Topic
Paris' law
About: Paris' law is a research topic. Over the lifetime, 13815 publications have been published within this topic receiving 224818 citations. The topic is also known as: Paris-Erdogan law.
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TL;DR: In this article, the effects of compressive and tensile residual stresses on Mode I fatigue crack growth are reviewed and current limitations of the methods and their relative advantages and drawbacks for use in design analysis are discussed.
Abstract: Experimental results on the effects of compressive and tensile residual stresses on Mode I fatigue crack growth are briefly reviewed. Prediction methods that attempt to account for the observed effects are compared. Current limitations of the methods and their relative advantages and drawbacks for use in design analysis are discussed. The possible role of residual stress re-equilibration on growth behavior, caused by crack extension itself, is also discussed.
89 citations
TL;DR: In this paper, the effect of an absorbent overlay on the residual stress field using this LSP setup and this energy level was evaluated and it was observed that the overlay makes the compressive residual stress profile move to the surface.
89 citations
TL;DR: In this article, a correlation between acoustic emission and the stress intensity factor was derived which allows prediction of the ΔK from acoustic emission measurements, at very low values of ΔK, corresponding to the onset of fatigue crack growth, was expected that acoustic emission would detect this event.
89 citations
TL;DR: In this paper, an assessment of the effects of microstructure and operating parameters on both crack initiation and propagation of short fatigue cracks is presented, and the assessment was carried out on RR1000, U720Li and microstructural variants of U 720Li.
89 citations
TL;DR: In this paper, the authors present an observation of fatigue crack growth in smooth specimens under biaxial loading, with particular reference to the Stage I to Stage II and Stage II to Stage I transitions.
Abstract: — Observations of fatigue crack growth in smooth specimens under biaxial loading are reviewed, with particular reference to the Stage I to Stage II and Stage II to Stage I transitions. Further results are presented for 1% Cr-Mo-V steel and AISI 316 stainless steel at various temperatures, showing that all cracks may be classed as either Stage I or Stage II. Predictive criteria are suggested for the type of crack obtained, and the mechanisms for elevated temperature crack initiation are discussed.
89 citations