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Vol 219
Pages:
459-464
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RUS
Article

Analysis of the corrosion destruction causes in underground pipelines and new solutions for increasing corrosion steel's resistance

Authors:
L. A. Goldobina1
P. S. Orlov2
About authors
  • 1 — Ph.D., Dr.Sci. professor Saint-Petersburg Mining University
  • 2 — Ph.D., Dr.Sci. professor Yaroslavl State Agricultural Academy
Date submitted:
2015-09-24
Date accepted:
2015-11-13
Date published:
2016-06-22

Abstract

This article deals with the issues concerning the accidents relevant to the underground pipelines operation. These pipelines transport gas, oil and its derivatives. The statistical analysis results of accidents in underground pipelines operated in Russia, as well as the analysis of the explosion causes in underground pipelines and primarily gasified objects are provided. It is shown that stress corrosion arising as a result of the phenomenon of hydrogenation is the most dangerous for large-diameter gas pipelines. The author proposes the justified and protected by RF patents new engineering solutions for consideration. They are aimed at improving resistance of steel structures against corrosion. Also a method of increasing the hardness, strength and wear resistance of steel parts surfaces by rapid cementation due to saturation of the carbon steel surfaces; a steel alloying method using aluminum to obtain diffusion coatings; and a method of applying a corrosion resistant and stable to acids and alkalis coating on the steel surface are presented. Proposed new technologies are accompanied by an explanation of the physical and chemical processes occurring in steel. The experimental results confirmed the validity of those decisions.

Область исследования:
(Archived) Geoecology and occupational health and safety
Keywords:
underground pipelines gas pipelines metal resistance corrosion intercrystalline corrosion
10.18454/pmi.2016.3.459
Go to volume 219

References

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  2. Volokhina A.T. Snizhenie riska avariinosti magistral'nykh truboprovodov zaschet sovershenstvovaniya professional'no vazhnykh kachestv rabochikh osnovnykh professii (Reducing the risk of accidents of pipelines by sovershenstvova professionally important qualities of major workers). Trudy Rossiiskogo gosudarstvennogo universiteta nefti i gaza imeni I.M.Gubkina: Sb. nauchnykh statei po problemam nefti i gaza. 2010. N 3, p.124-129.
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