Conference proceeding
Statistical and thermodynamic modeling of stress corrosion cracking in steel gas pipes
RISK, ECONOMY AND SAFETY, FAILURE MINIMISATION AND ANALYSIS: FAILURES 2000, pp.381-397
01 Jan 2000
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Abstract
Stress corrosion cracking (SCC) is a complex phenomenon that involves various interacting physical and chemical processes. It has been most commonly found in the form of "colonies" of cracks where determinism and chance result in SCC colony development. A statistical model of a random field of corrosion pits formation and multiple crack initiation is proposed. A thermodynamic model of crack growth is also proposed within a framework of the Crack Layer theory. A SCC growth model is presented in the form of relations between crack growth rates, hydrogen diffusion and corrosion, together with corresponding thermodynamic forces kinetic coefficients employed in crack growth equations. Finally, application of the individual crack growth law to the multiple random crack configurations results in a simulation of SCC colony evolution..
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Details
- Title
- Statistical and thermodynamic modeling of stress corrosion cracking in steel gas pipes
- Creators
- B ZhangJ FanY GogotsiA ChudnovskyA Teitsma
- Contributors
- R K Penny (Editor)
- Publication Details
- RISK, ECONOMY AND SAFETY, FAILURE MINIMISATION AND ANALYSIS: FAILURES 2000, pp.381-397
- Publisher
- Engineering Materials Advisory Services Ltd
- Number of pages
- 17
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Identifiers
- 991019186779104721
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- Web of Science research areas
- Engineering, Mechanical