Effect of hydrogen on plastic strain localization and fracture of steels M. V. Nadjozhkin, A. G. Lunev, Y. V. Li, S. A. Barannikova
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ArticleSubject(s): пластическая деформация | низкоуглеродистые стали | водородное охрупчивание | Людвика-Холломона уравнениеGenre/Form: статьи в журналах Online resources: Click here to access online
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IOP Conference Series: Materials Science and Engineering Vol. 116. P. 012024 (1-5)Abstract: The effect of interstitial hydrogen atoms on the mechanical properties and plastic strain localization patterns in tensile tested specimens of low-carbon steels have been studied using a double exposure speckle photography technique. It is found that the mechanical properties of low-carbon steels are affected adversely by hydrogen embrittlement. The deformation diagrams were examined for the deformed samples of low-carbon steels. These are found to show all the plastic flow stages: the linear, parabolic and pre-failure stages would occur for the respective values of the exponent n from the Ludwik-Holomon equation.
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The effect of interstitial hydrogen atoms on the mechanical properties and plastic strain localization patterns in tensile tested specimens of low-carbon steels have been studied using a double exposure speckle photography technique. It is found that the mechanical properties of low-carbon steels are affected adversely by hydrogen embrittlement. The deformation diagrams were examined for the deformed samples of low-carbon steels. These are found to show all the plastic flow stages: the linear, parabolic and pre-failure stages would occur for the respective values of the exponent n from the Ludwik-Holomon equation.
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