E3S Web Conf.
Volume 121, 2019I International Conference “Corrosion in the Oil and Gas Industry”
|Number of page(s)||4|
|Published online||14 October 2019|
Investigation of the corrosion process and destruction of metals by using acoustodamage method
Peter the Great St. Petersburg Polytechnic University, Saint-Petersburg, Russia
2 Institute for Problems in Mechanical Engineering of RAS, Saint-Petersburg, Russia
* Corresponding author: firstname.lastname@example.org
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.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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