| Issue |
E3S Web Conf.
Volume 121, 2019
I International Conference “Corrosion in the Oil and Gas Industry”
|
|
|---|---|---|
| Article Number | 01017 | |
| Number of page(s) | 4 | |
| Section | Corrosion Monitoring | |
| DOI | https://doi.org/10.1051/e3sconf/201912101017 | |
| Published online | 14 October 2019 | |
Investigation of the corrosion process and destruction of metals by using acoustodamage method
1
Peter the Great St. Petersburg Polytechnic University, Saint-Petersburg, Russia
2
Institute for Problems in Mechanical Engineering of RAS, Saint-Petersburg, Russia
* Corresponding author: dmitry.tretyakov93@yandex.ru
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
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