Effect of Surface Layer Damage on Acoustic Anisotropy

Семенов, А. С.; Polyanskii, V. A.; Shtukin, L. V.; Tretyakov, D. A.

doi:10.1134/s0021894418060202

Cited by 12 publications

(1 citation statement)

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“…The use of acoustic anisotropy as an indicator of surface and bulk cracking of metals has a great interest [16][17][18][19]. Measurements of acoustic anisotropy are not associated with the detection of additional signal reflected from cracks as in case of ultrasonic flaw detection [20].…”

Section: Introductionmentioning

confidence: 99%

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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