FRACTAL MODEL OF HYDROGEN INDUCED CRACKING

J Chin Soc Corr Pro

2001, Vol. 21

Issue (2): 106-111 DOI:

Research Report

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FRACTAL MODEL OF HYDROGEN INDUCED CRACKING

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北京石油大学

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Abstract Based on the theory of hydrogen enhanced local pla sticity of the hydrogen induced cracking,the paper presents a fractal model of h ydr ogen induced cracking,and sets up a relation among the effective surface energy Γ(H),fractal dimension D and stress intensity factor of hydrogen induc ed cracking KIH under hydrogen environment.The relationship of D a nd KISCC is obtained.The model is verified by experiment,and it showed that the method is reliable.

Key words: hydrogen induced cracking ductility fractal dimension

Received: 23 November 1999

ZTFLH:

O346.2+2

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;. FRACTAL MODEL OF HYDROGEN INDUCED CRACKING. J Chin Soc Corr Pro, 2001, 21(2): 106-111 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2001/V21/I2/106

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