An Approach to Modeling Structural Materials with Low Hydrogen Concentration

Belyaev, Аlexander K.; Polyanskiy, A. M.; Polyanskiy, Vladimir A.; Yakovlev, Yu. A.

doi:10.1007/978-3-030-11665-1_4

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∆A =∆Asurface+ ∆Abulk1

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Cited by 6 publications

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“…The increase in testing time of specimens in corrosive mediums of equal concentrations does not lead to the growth of cracked layer above a certain level. This result is confirmed by recent studies of the surface effect of hydrogen concentrations in metals [22][23][24][25].…”

Section: ∆A =∆Asurface+ ∆Abulksupporting

confidence: 86%

Investigation of the corrosion process and destruction of metals by using acoustodamage method

et al. 2019

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The paper presents the results of investigation of acoustic anisotropy in industrial alloy made of steel 14HGNDC after hydrogen-induced cracking (HIC) tests according to the standard NACE TM0284-2003. It was found that location and parameters of corrosion cracks with size about 20 microns can be determined by distribution and value of acoustic anisotropy. A quantitative relationship between value of acoustic anisotropy and size of corrosion cracks in the range from 60 to 6600 microns was established. The obtained results have a great importance for improving methods of hydrogen-induced cracking tests and for non-destructive testing of brittle destruction of structures in oil and gas industry by using the acoustodamage method.

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Section: ∆A =∆Asurface+ ∆Abulksupporting

confidence: 86%