Stress Corrosion Cracking Analysis under Thermal Residual Stress Field Using S-FEM

Masanori Kikuchi; Yoshitaka Wada; Yuto Shimizu; Yu Long Li

doi:10.4028/www.scientific.net/KEM.462-463.431

Paper Titles

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Microstructural Behaviour Study and FEA-Based Fatigue Simulation on Parabolic Leaf Spring
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Molecular Dynamics Simulation of Dislocation-γ-Precipitate Interactions in γ’-Precipitates
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Stress Corrosion Cracking Analysis under Thermal Residual Stress Field Using S-FEM
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Surface Crack Mesh Generation with Factory Roof under Mixed Mode Loading Using a Tetrahedral Element
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Ductile Fracture Simulation of Pipe under Bending with Initial Defects
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HomeKey Engineering MaterialsKey Engineering Materials Vols. 462-463Stress Corrosion Cracking Analysis under Thermal...

Stress Corrosion Cracking Analysis under Thermal Residual Stress Field Using S-FEM

Abstract:

Fracture in heat affected zone (HAZ) in welding has been a serious problem for the integrity of machines. Prediction of fracture behavior due to the residual stress field in HAZ is important. In this paper, S-Version FEM(S-FEM) is applied to simulate the crack growth under thermal and residual stress fields. For evaluation of stress intensity factor, virtual crack closure integral method (VCCM) is employed. In order to confirm the validity of this analysis, numerical results are compared with previously-reported analytical and experimental results. Then, crack growth analysis in piping structure with welding joint was conducted. The residual stress data was provided by JAEA, Japan Atomic Energy Agency, based on their numerical simulation. Using S-FEM, two- and three-dimensional analyses are conducted, and crack growth behavior under thermal stress field is studied and discussed.

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Key Engineering Materials (Volumes 462-463)

Pages:

431-436

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.462-463.431

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Online since:

January 2011

Authors:

Masanori Kikuchi, Yoshitaka Wada, Yuto Shimizu, Yu Long Li

Keywords:

Crack Growth Criterion, Stress Corrosion Cracking (SCC), Surface Crack, S-Version FEM, VCCM, Welded Pipe

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