Fracture Modeling Of Cracked Pipe Under Monotonic And Cyclic Loading

Jin Ha Hwang; Gyo Geun Youn; Yun Jae Kim; Jin Weon Kim

doi:10.1016/j.ijmecsci.2020.105837

Fracture Modeling Of Cracked Pipe Under Monotonic And Cyclic Loading

Jin Ha Hwang, Gyo Geun Youn, Yun Jae Kim, Jin Weon Kim

School of Mechanical Engineering

Research output: Contribution to journal › Article

Abstract

The present work presents experiment and numerical modelling to quantify the effect of the loading type on ductile crack growth in circumferential through-wall cracked SA508 Gr.1a pipes. In tests, three types of loading conditions are considered; monotonic, displacement-controlled and load-controlled large-amplitude cyclic loading. Experimental data are compared with numerical crack growth simulation results based on the multiaxial fracture strain energy model. Simulated results show overall good agreements with experimental data for all loading types. Based on FE results, the effects of the loading type and cyclic hardening model on ductile crack growth are discussed.

Original language	English
Article number	105837
Journal	International Journal of Mechanical Sciences
Volume	183
DOIs	https://doi.org/10.1016/j.ijmecsci.2020.105837
Publication status	Published - 2020 Oct 1

Keywords

Cracked pipe test
FE damage analysis
Large amplitude cyclic loading
Monotonic loading

ASJC Scopus subject areas

Civil and Structural Engineering
Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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Hwang, J. H., Youn, G. G., Kim, Y. J., & Kim, J. W. (2020). Fracture Modeling Of Cracked Pipe Under Monotonic And Cyclic Loading. International Journal of Mechanical Sciences, 183, [105837]. https://doi.org/10.1016/j.ijmecsci.2020.105837

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abstract = "The present work presents experiment and numerical modelling to quantify the effect of the loading type on ductile crack growth in circumferential through-wall cracked SA508 Gr.1a pipes. In tests, three types of loading conditions are considered; monotonic, displacement-controlled and load-controlled large-amplitude cyclic loading. Experimental data are compared with numerical crack growth simulation results based on the multiaxial fracture strain energy model. Simulated results show overall good agreements with experimental data for all loading types. Based on FE results, the effects of the loading type and cyclic hardening model on ductile crack growth are discussed.",

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