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Effect of crack propagation on crack tip fields [PDF]

open access: yesFracture and Structural Integrity, 2013
Crack closure influences fatigue crack growth rate and must be included in the design of components. Plasticity induced crack closure is intimately linked with the crack tip plastic deformation, which becomes residual as the crack propagates.
F.V. Antunes   +3 more
doaj   +7 more sources

Crack tip strain evolution and crack closure during overload of a growing fatigue crack [PDF]

open access: yesFracture and Structural Integrity, 2017
It is generally accepted that fatigue crack growth is retarded after an overload, which has been explained either by plasticity-induced crack closure or near-tip residual stress.
De-Qiang Wang   +3 more
doaj   +6 more sources

A phenomenological constitutive model considering crack closure effect of thermally damaged rock [PDF]

open access: yesScientific Reports
Crack closure behavior is an important part in stress-strain curve of brittle rock; however, the crack closure effect is seldom described in previous constitutive models.
Lijun Sun   +4 more
doaj   +2 more sources

Crack closure effect of fatigue crack under cyclic tensile loading

open access: yesNihon Kikai Gakkai ronbunshu, 2015
The objective of this study is to evaluate crack growth behavior under cyclic tensile loading considering crack closure effect. Crack growth behavior under cyclic tensile loading on a plate with surface crack is tested.
Akiyuki TAKAHASHI   +3 more
doaj   +3 more sources

Some experimental observations of crack-tip mechanics with displacement data [PDF]

open access: yesFracture and Structural Integrity, 2015
In the past two decades, crack-tip mechanics has been increasingly studied with full-field techniques. Within these techniques, Digital Image Correlation (DIC) has been most widely used due to its many advantages, to extract important crack-tip ...
M. Mokhtari   +3 more
doaj   +8 more sources

A numerical study of non-linear crack tip parameters [PDF]

open access: yesFracture and Structural Integrity, 2015
Crack closure concept has been widely used to explain different issues of fatigue crack propagation. However, different authors have questioned the relevance of crack closure and have proposed alternative concepts.
F.V. Antunes   +3 more
doaj   +3 more sources

Study of Crack Closure Effect of Hull Plate under Low Cycle Fatigue

open access: yesJournal of Marine Science and Engineering, 2022
The crack closure phenomenon significantly influences low cycle fatigue (LCF) crack growth. The crack closure theory deems that a crack can grow only when the applied load is greater than the fatigue crack opening and closing loads.
Qin Dong, Mengyuan Rong, Geng Xu
doaj   +1 more source

A Study on Fatigue Crack Closure Associated with the Growth of Long Crack in a New Titanium Alloy

open access: yesMetals, 2023
In this article, the fatigue crack closure in a new titanium alloy is carried out under constant amplitude cyclic loading with the combination of the simulation method and experiments.
Jiarui Liu   +4 more
doaj   +1 more source

Effect of Constraint and Crack Contact Closure on Fatigue Crack Mechanical Behavior of Specimen under Negative Loading Ratio by Finite Element Method

open access: yesMetals, 2022
Mechanical behaviors at fatigue crack tips of cracked specimens under negative loading ratios are studied in detail by the finite element method in this paper.
Xinting Miao   +4 more
doaj   +1 more source

Effect of residual stress redistribution on fatigue crack growth pertinent to crack closure and applied load

open access: yesMaterials & Design, 2023
Clarifying residual stress (RS) redistribution and its effect on fatigue crack growth (FCG) is essential to evaluate the fatigue life of a welded joint.
Shuai Luan, Chunguo Zhang, Xing Zhang
doaj   +1 more source

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