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Regularities of Formation of Residual Stresses in the Fatigue Crack Tip
In this paper we consider the research results of the influence of the amplitude loading, tensile to tensile load ratio on the regularities of the residual compressive stress formation ahead of the fatigue crack front. The effect of tensile to tensile load ratio in the tension half-cycles on the fatigue crack growth is explained from the position of interaction of residual compressive stresses with stresses from the external load. It is shown that the use of the effective stress intensity factor range in the Paris equation instead of its nominal range allows one to take into account the effect of the load ratio on the material parameters to the fatigue crack growth resistance.
Regularities of Formation of Residual Stresses in the Fatigue Crack Tip
In this paper we consider the research results of the influence of the amplitude loading, tensile to tensile load ratio on the regularities of the residual compressive stress formation ahead of the fatigue crack front. The effect of tensile to tensile load ratio in the tension half-cycles on the fatigue crack growth is explained from the position of interaction of residual compressive stresses with stresses from the external load. It is shown that the use of the effective stress intensity factor range in the Paris equation instead of its nominal range allows one to take into account the effect of the load ratio on the material parameters to the fatigue crack growth resistance.
Regularities of Formation of Residual Stresses in the Fatigue Crack Tip
Lecture Notes in Civil Engineering
Akimov, Pavel (editor) / Vatin, Nikolai (editor) / Emel’yanov, Oleg (author)
2021-11-09
10 pages
Article/Chapter (Book)
Electronic Resource
English
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