2020
DOI: 10.1155/2020/8026372
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Interaction of Cyclic Loading (Low‐Cyclic Fatigue) with Stress Corrosion Cracking (SCC) Growth Rate

Abstract: The structural integrity analysis of nuclear power plants (NPPs) is an essential procedure since the age of NPPs is increasing constantly while the number of new NPPs is still limited. Low-cyclic fatigue (LCF) and stress corrosion cracking (SSC) are the two main causes of failure in light-water reactors (LWRs). In the last few decades, many types of research studies have been conducted on these two phenomena separately, but the joint effect of these two mechanisms on the same crack has not been discussed yet t… Show more

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Cited by 9 publications
(5 citation statements)
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“…For plastic properties, the tensile true stress-strain curve is shown in Figure 2, for which the experimental data is obtained from the "Slow Strain Rate Stress Corrosion Testing Machine" available in Fracture Mechanics Lab of Xi'an University of Science and Technology, see Figure 3. Since real structures provide results closer to the practical values [26], therefore, a simple plate of 100mm ×50mm, having an embedded extended finite element method (XFEM) crack with 15mm is used as shown in Figure 4, along with the boundary conditions and loads. All the simulations have been performed in the ABAQUS 6.14 software following the instructions provided in the manual [27].…”
Section: Methodsmentioning
confidence: 99%
“…For plastic properties, the tensile true stress-strain curve is shown in Figure 2, for which the experimental data is obtained from the "Slow Strain Rate Stress Corrosion Testing Machine" available in Fracture Mechanics Lab of Xi'an University of Science and Technology, see Figure 3. Since real structures provide results closer to the practical values [26], therefore, a simple plate of 100mm ×50mm, having an embedded extended finite element method (XFEM) crack with 15mm is used as shown in Figure 4, along with the boundary conditions and loads. All the simulations have been performed in the ABAQUS 6.14 software following the instructions provided in the manual [27].…”
Section: Methodsmentioning
confidence: 99%
“…By enriching the standard finite element mesh with additional degrees of freedom to capture crack growth, XFEM enables accurate simulations of complex crack patterns and crack interactions [ 150 ]. Rehmit [ [142] , [151] , [152] ] investigates the effect of variations in macrostructural properties of Alloy 600 on stress corrosion cracking plastic zone ahead of the crack-tip using the extended finite element method (XFEM). The results show that the plastic zone is affected by stress intensity factors, yield strength, and hardening exponent “n" of the materials.…”
Section: Numerical Modelingmentioning
confidence: 99%
“…A simulation is conducted to analyze the stress on a pipeline domain by utilizing the small strain plasticity model. The model incorporates a user-defined isotropic hardening function, σyhard [10], which is defined as:…”
Section: Theorymentioning
confidence: 99%