Journal article

Failure analysis of structural steel subjected to long term exposure of hydrogen

Muhammad Wasim, Tuan Duc Ngo

Engineering Failure Analysis | Elsevier BV | Published : 2020

Abstract

Embrittlement of steel due to its exposure to hydrogen is a well-established phenomenon, which diminishes its ductility and toughness. However, there is limited research on how hydrogen, which evolves from the corrosion process, affects the yield strength of mild steel in the long-term. This paper presents the results obtained from a long-term investigation on hydrogen evolving from a corrosion reaction, which causes embrittlement of mild steel. Both mechanical tests and microstructural analyses on corroded steel specimens are performed at three different intervals for one year. Time-dependent relations for predicting the corrosion rate and its subsequent hydrogen release were derived by ana..

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