Abstract
Fracture of materials caused by hydrogen embrittlement is a very serious problem in the operation of pipelines subjected to the effect of hydrogen charging (hydrosulfide-bearing media, external corrosion cracking under stress, contact with active sulfate-reducing bacteria, etc.). As a rule, this damage occurs in the final stage of the process of crack propagation initiated by hydrogen. In order to predict the transition from a subcritical stage to a critical stage of unstable fracture and to calculate the strength characteristics of pipes with cracks of a metallurgical or operational origin we must know the permissible margin of safety with allowance for hydrogen absorption in the operating period.
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 5, pp. 14–17, May, 1997.
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Volgina, N.I., Nasibov, A.G., Ilyukhina, M.V. et al. Evaluation of crack resistance of carbon and low-alloy structural steels under conditions of hydrogen charging. Met Sci Heat Treat 39, 194–197 (1997). https://doi.org/10.1007/BF02467283
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DOI: https://doi.org/10.1007/BF02467283