| DOI | Resolve DOI: https://doi.org/10.1016/j.actamat.2006.08.037 |
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| Author | Search for: Van Boven, G.; Search for: Chen, W.; Search for: Rogge, Ronald1 |
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| Affiliation | - National Research Council of Canada. NRC Canadian Neutron Beam Centre
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| Format | Text, Article |
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| Subject | Corrosion; Ferritic steels; Neutron diffraction; Residual stresses; Stress corrosion cracking |
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| Abstract | In this investigation, tensile test specimens were fabricated with increasing levels of compressive and tensile residual stress on the surface and through the thickness of the specimen. These residual stresses were then measured by neutron diffraction at multiple points along the length and through the depth of the specimens. The specimens were then exposed to a neutral pH aqueous soil environment in combination with an applied cyclic stress for various lengths of time in order to initiate and propagate stress corrosion cracking (SCC). The formation of micro-pitting was found to occur preferentially in areas where the tensile residual stresses were the highest (approximately 300?MPa), while SCC initiation occurred with a 71% normalized frequency in areas where the surface residual stress was in the range 150-200?MPa. The difference between residual stress levels occurring at SCC locations versus pitting locations resulted from both the change of residual stress during cyclic stress application during SCC testing and the residual stress gradient in the depth direction. |
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| Publication date | 2007-01 |
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| In | |
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| NPARC number | 12328883 |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | d400ceba-a1c5-4d80-9cda-dad396dc4d0a |
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| Record created | 2009-09-10 |
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| Record modified | 2020-05-10 |
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