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Application of Titanium Alloy and Titanium-Based Coatings in a Gate Valve during Oil Production

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Abstract:

In the Caspian region, the Tengiz oil field has a high content of sulfur, salts and mechanical impurities, which contribute to the rapid deterioration of equipment. The use of titanium alloy allows reducing corrosion wear 2-3 times. Based on the analysis of the design of the slide gate valve, the most exposed parts were identified, which were replaced by Grade 5 titanium alloy. Bench tests of the slide gate valve were put into operation. Laboratory work was carried out to apply titanium-based coatings to steel samples. The result was a structure with a microhardness of 730-810 HV sufficient to protect it against corrosion wear.

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Periodical:

Materials Science Forum (Volume 1022)

Pages:

159-167

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.1022.159

Citation:

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Online since:

February 2021

Authors:

S. I. Mirgorodskiy, Sergei A. Lyubomudrov, G.D. Bitsoyev, L. Mirgorodskiy*, O.Y. Shiripa

Keywords:

Corrosion Resistance, Diffusion Sintering, Gate Valve, Microhardness, Oil Production, Roughness, Titanium Alloy, Titanium Coatings

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© 2021 Trans Tech Publications Ltd. All Rights Reserved

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