Influence on Different Forms of Applied Loads upon the Stress Corrosion of Pipeline Steel

Qi Lei Sun; Lu Dan Shi; Ze Rui Liu

doi:10.4028/www.scientific.net/AMM.556-562.464

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 556-562Influence on Different Forms of Applied Loads upon...

Influence on Different Forms of Applied Loads upon the Stress Corrosion of Pipeline Steel

Abstract:

Based on the SSRT, by simulating different forms of applied loads, the paper conducts the research on the influence and mechanism of action from different waveforms upon the stress corrosion of pipeline steel. Results show that under the given F - SSRT testing condition, and when the fluctuation frequency and fluctuation amplitude are same, the sensitivity of the stress corrosion produced upon X70 pipeline steel is the weakest under the F-SSRT testing condition of superimposed square wave, and is the strongest under the F-SSRT testing condition of superimposed sine wave, which shows that the sensitivity degree of stress corrosion of materials under the F-SSRT with different load waveforms is obviously different.

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Periodical:

Applied Mechanics and Materials (Volumes 556-562)

Pages:

464-467

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.556-562.464

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Online since:

May 2014

Authors:

Qi Lei Sun*, Lu Dan Shi, Ze Rui Liu

Keywords:

Pipeline Steel, Stress Corrosion Cracking (SCC), Waveform

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* - Corresponding Author

References

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