Effect of Potential on Stress Corrosion Cracking of 321 Stainless Steel under Marine Environment

Xi Qing Dong; Mei Rong Li; Yan Liang Huang; Li Juan Feng; Xin Cui

doi:10.4028/www.scientific.net/AMR.1090.75

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1090Effect of Potential on Stress Corrosion Cracking...

Effect of Potential on Stress Corrosion Cracking of 321 Stainless Steel under Marine Environment

Abstract:

Slow strain rate test (SSRT) applied with different potential was adopted to investigate the stress corrosion cracking (SCC) sensibility of stainless steel under marine environment. The fracture morphology of 321 stainless steel SCC specimens were analyzed with the aid of SEM. The strain-stress results showed that 321 stainless steel exhibited less SCC sensitivity when anodic potential or cathodic potential were applied on the specimen, both fracture elongation and fracture time ascended compared with that of corrosion potential. The fractography analysis results also proved this susceptibility clearly.

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Periodical:

Advanced Materials Research (Volume 1090)

Pages:

75-78

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1090.75

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Online since:

February 2015

Authors:

Xi Qing Dong*, Mei Rong Li, Yan Liang Huang, Li Juan Feng, Xin Cui

Keywords:

Electrode Potential, Marine Environment, Slow Strain Rate Test, Stainless Steel, Stress Corrosion Cracking

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References

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DOI: 10.1520/stp665-eb

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