Results 21 to 30 of about 69,100 (301)
Advances in Civil Engineering, 2018 In this research study, the progressive failure and energy evolution characteristics of sandstone samples with different sizes were explored under uniaxial and triaxial compression conditions.
Yan Chen, Baohua Guo
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Assessment of 3D Short Crack Closure in Ti-6Al-4V Alloy Utilizing Synchrotron X-ray Microtomography [PDF]
MATEC Web of Conferences, 2020 Synchrotron X-ray microtomography was utilized to observe the complex 3D crack morphology and the closure behavior of a short crack in Ti-6Al-4V alloy. The aim of the study was to investigate the effect of the crack path evolution on the 3D short crack ...
TUBEI Valary +5 more
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Nihon Kikai Gakkai ronbunshu, 2019 This paper presents two numerical simulation methods for fatigue crack propagations with the plasticity-induced crack closure under arbitrary cyclic loading conditions.
Yuichi SHINTAKU +4 more
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Materials & 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
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Fatigue Crack Growth from Notches: A Numerical Analysis
Applied Sciences, 2020 A numerical approach based on plastic crack tip opening displacement (CTOD) was followed to study fatigue crack growth (FCG) from notches. The identification of fundamental mechanisms was made considering notched and unnotched models, with and without ...
Micael Borges +4 more
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MATEC Web of Conferences, 2018 This paper reports on a computational study and experimental validation of creep-fatigue crack growth rates at high temperature in two structural materials.
Ramirez Jose +6 more
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Study on closing and cracking stress calculation method of fractured rock
Frontiers in Earth Science, 2023 Determining the characteristic stress intensity according to the rock stress-strain curve is significant significance for rock engineering. Nowadays, there are relatively mature methods for determining peak stress and damage stress.
Yue Qiang +7 more
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A numerical study of the effect of single overloads on plasticity induced crack closure [PDF]
, 2017 In this work, the effect of single overloads on plasticity induced crack closure is studied. An elastic-plastic finite element model was developed and the crack opening level was calculated from the contact forces along the crack flank.
Antunes, F.V. +3 more
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The Evaluation of Front Shapes of Through-the-Thickness Fatigue Cracks
Metals, 2021 Fatigue failure of structural components due to cyclic loading is a major concern for engineers. Although metal fatigue is a relatively old subject, current methods for the evaluation of fatigue crack growth and fatigue lifetime have several limitations.
Behnam Zakavi +2 more
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An Improved Crack Breathing Model and Its Application in Crack Identification for Rotors
Machines, 2023 The crack breathing model and crack identification method for rotors using nonlinearity induced by cracks are studied in this work. Firstly, the finite element method is utilized to model a rotor–bearing system with a response-dependent breathing crack ...
Qi Liu, Shancheng Cao, Zhiwen Lu
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