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Hydrogen Degradation of Materials Under Long-term Operation of Technological Equipment by V.V Panasyuk; O.Y Andreykiv; O.V Gembara is a Engineering article available to read on EtoBox.

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The in ̄uence of gaseous hydrogen on crack growth in structure steels is analysed taking into account the thermal in ̄uences and eects of hydrogenation±degasation of metals. The same material under various external conditions (temperature, pressure, stresses, etc.) can display sensitivity to dierent kinds of hydrogen degradation. The forms of realization of hydrogen degradation are diverse and can appear unexpectedly. This degradation happens during the operational cycles of a structure, in the form of cracks of hydrogen embrittlement, but can also appear during the shutdown of the unit, in the form of hydrogen destruction formation. The physico-mechanical model for evaluation of internal hydrogen defects growth kinetics with the account for non-stationary thermal in ̄uences is proposed. The example of durability estimation for the case of the hydrocracking reactor of petroleum is given.

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Author

V.V Panasyuk; O.Y Andreykiv; O.V Gembara

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0360-3199)

Published

2000

Language

EN

Field

Engineering (Physical Sciences)