Sowards, J.
, Weeks, T.
and McColskey, J.
(2013),
The Influence of Simulated Fuel-Grade Ethanol on Fatigue Crack Propagation in Pipeline and Storage Tank Steels, Corrosion Science, [online], https://doi.org/10.1016/j.corsci.2013.06.026
(Accessed September 10, 2024)
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The Influence of Simulated Fuel-Grade Ethanol on Fatigue Crack Propagation in Pipeline and Storage Tank Steels
Published
Author(s)
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Abstract
This study presents an evaluation of fatigue crack propagation in three steel materials (A36, X52, and X70) in a simulated fuel grade ethanol environment. A fracture mechanics testing approach was used to determine crack propagation rates as a function of the stress intensity factor amplitude (Δ_K). Results of this testing and the fracture analysis indicate that all three of the materials are susceptible to enhanced fatigue damage in fuel grade ethanol environments. Here we show the damage mechanism is attributed to susceptibility of each material to ethanol stress corrosion cracking under fatigue loading conditions and propose a model for determining crack growth rates in SFGE.Citation
Corrosion Science
Volume
75
Pub Type
Journals
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Keywords
A36, bioethanol, crack propagation, fatigue, fuel grade ethanol, pipeline steel, storage tank steel, stress corrosion cracking, X52, X70
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Created October 1, 2013, Updated November 10, 2018