Modification Strain-Based Failure Assessment Diagram for High Strength Pipeline Steel

Jun Lin Shi; Jian Ping Zhao; Wei Jie Jiang

doi:10.4028/www.scientific.net/AMM.853.33

Paper Titles

Weight Functions and Stress Intensity Factors for Eccentric through Cracks in a 3-D Rectangular Plate Subjected to In-Plane Loading
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Mode-II Fatigue Crack Growth Model from Shear-Type Low Cycle Fatigue Properties
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Establishment of Unified Correlation of In-Plane and Out-of-Plane Constraints with Ductile Fracture Toughness of Steel
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Effect of Maximum Temperature on the Thermal Fatigue Behavior of Superalloy GH536
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Modification Strain-Based Failure Assessment Diagram for High Strength Pipeline Steel
p.33

A Prediction Model for Mode-III Fatigue Crack Growth
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Effect of Various Side Grooves on 3D Crack-Front J-Integral for CT Specimens
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Interaction between Local Plastic Strain and Multi-Scale Fatigue Crack Propagation Behavior in Titanium Alloy TC4
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Mean Stress and Ratcheting Corrections in Fatigue Life Prediction of Metals
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 853Modification Strain-Based Failure Assessment...

Modification Strain-Based Failure Assessment Diagram for High Strength Pipeline Steel

Abstract:

The strain-based failure assessment diagram (SB-FAD) has been developed to predict failure due to high plastic strains. This paper validates the SB-FAD by finite element results for high strength pipeline steel (X80, X80HD, and X90) with four representative specimens (CT, CCP, DECP, and SCEP) of different crack sizes, respectively. The influence of material properties, geometries and crack sizes on failure assessment curves were compared and analyzed. Meanwhile, the modified Option-1 curve of SB-FAD is given in this paper. The results showed that the modified Option-1 curve of SB-FAD is more accurate when the value of abscissais Dr small and more conservative when the value of abscissa Dr is large.

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Periodical:

Applied Mechanics and Materials (Volume 853)

Pages:

33-40

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.853.33

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Online since:

September 2016

Authors:

Jun Lin Shi, Jian Ping Zhao*, Wei Jie Jiang

Keywords:

Defects, Failure Assessment Diagram, Fracture, Pipeline Steel, Strain-Based Analysis

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* - Corresponding Author

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