Investigation into Corrosion Fatigue Life of Spherical-Headed Cylindrical Shell

Wei Jun Xu; Qi Xing Guo; Xiao Tian Wang

doi:10.4028/www.scientific.net/AMM.724.63

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 724Investigation into Corrosion Fatigue Life of...

Investigation into Corrosion Fatigue Life of Spherical-Headed Cylindrical Shell

Abstract:

Corrosion fatigue is of great significance in research of submarine structure operating in marine environment for long term since the seawater corrosion effect will reduce the resistance to fatigue failure of structure components. The paper interests on the introduction of pitting corrosion and analysis method of corrosion fatigue life. Finite element method was adopted to analyze the stress concentration factor of pitting corrosion and local corrosion fatigue of spherical-headed cylindrical shell with following conclusion. In the estimation of corrosion fatigue life of spherical-headed cylindrical shell, the proposed formula has some practical value, and only the corrosion fatigue of structure surface should be considered.

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Periodical:

Applied Mechanics and Materials (Volume 724)

Pages:

63-67

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.724.63

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Online since:

January 2015

Authors:

Wei Jun Xu*, Qi Xing Guo, Xiao Tian Wang

Keywords:

Corrosion Fatigue Life, Pitting Corrosion, Spherical-Headed Cylindrical Shell, Stress Concentration Factor

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* - Corresponding Author

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