Abstract
The acoustic emission method for estimating damage to specimens made of thermally resistant steel is described as applied in air and in a gaseous hydrogen medium. Acoustic diagrams (AD) of steel cracking and their interpretation are presented. It is shown that thermal cycling of the steel in air and in a hydrogen medium leads to an increase in bulk damage to the steel. It is shown that the exploited material is more subject to micro- and macrocracking under the influence of temperature and the working environment.
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Original Russian Text © V.R. Skal’skii, D.V. Rudavskii, T.V. Selivonchik, 2009, published in Defektoskopiya, 2009, Vol. 45, No. 9, pp. 56–69.
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Skal’skii, V.R., Rudavskii, D.V. & Selivonchik, T.V. Hydrogen degradation of steel 12X1MΦ and its estimation by the acoustic emission method. Russ J Nondestruct Test 45, 636–645 (2009). https://doi.org/10.1134/S1061830909090071
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DOI: https://doi.org/10.1134/S1061830909090071