Initiation of stress corrosion cracking for pipeline steels in a carbonate-bicarbonate solution

Wang, ZF and Atrens, A (1996) Initiation of stress corrosion cracking for pipeline steels in a carbonate-bicarbonate solution. Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science, 27 9: 2686-2691. doi:10.1007/BF02652362


Author Wang, ZF
Atrens, A
Title Initiation of stress corrosion cracking for pipeline steels in a carbonate-bicarbonate solution
Journal name Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science   Check publisher's open access policy
ISSN 1073-5623
Publication date 1996-09-01
Year available 1996
Sub-type Article (original research)
DOI 10.1007/BF02652362
Open Access Status Not yet assessed
Volume 27
Issue 9
Start page 2686
End page 2691
Total pages 6
Place of publication WARRENDALE
Publisher MINERALS METALS MATERIALS SOC
Language eng
Abstract The linearly increasing stress test (LIST) was used to study the stress corrosion cracking (SCC) behavior of a range of pipeline steels in carbonate-bicarbonate solution under stress rate control at different applied potentials. Stress corrosion cracking, at potentials below -800 mV(SCE), was attributed to hydrogen embrittlement. Stress corrosion cracking, in the potential range from about -700 to -500 mV(SCE), was attributed to an anodic dissolution mechanism. In the anodic potential region, the SCC initiation stress was larger than the yield stress and was associated with significant plastic deformation at the cracking site. The relative SCC initiation resistance decreased with increasing yield strength. In the cathodic potential region, the SCC initiation stress was smaller than the yield stress of steel; it was approximately equal to the stress at 0.1 pct strain (sigma(0.1pct) for all the steels. The original surface was more susceptible to SCC initiation than the polished surface.
Keyword Water
Scc
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: ResearcherID Downloads - Archived
 
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