Abstract
This paper proposes a numerical method to simulate hydrogen-assisted stress corrosion cracking, via coupled diffusion elastic-plastic finite element damage analyses based on phenomenological stress-modified fracture strain model. For validation, simulated results using the proposed method are compared with published experimental data of FeE 690T compact tension tests under air and hydrogen condition with various constant load-line displacement rates. The simulated results agree well with experimental data.
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Recommended by Associate Editor Youngseog Lee
Nak-Hyun Kim received a B.S. degree in Mechanical Engineering from Korea University in 2008. He is currently in the doctoral course of the Graduate School of Korea University. His research interests are in damage mechanics and hydrogen embrittlement.
Yun-Jae Kim is a professor of the Mechanical Engineering Department, Korea University, Seoul, Korea. He received his Ph.D in 1993 from Massachusetts Institute of Technology, USA. His research interests are in structural integrity and reliability.
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Kim, NH., Oh, CS., Kim, YJ. et al. Hydrogen-assisted stress corrosion cracking simulation using the stress-modified fracture strain model. J Mech Sci Technol 26, 2631–2638 (2012). https://doi.org/10.1007/s12206-012-0642-x
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DOI: https://doi.org/10.1007/s12206-012-0642-x