High-Strength Titanium Alloy Oil Well Pipe Material with High Hardness and Anti-galling Property
Titanium alloys are usually used as the material of oil well pipes in the petroleum industry for its high specific strength, excellent corrosion resistance, high and low temperature resistance performance and high fatigue strength. However, due to inadequate strength and hardness, titanium alloy oil well pipes often suffer from thread galling during casing makeup. In this paper, the phase transformations in titanium alloys were described. Combined with the microstructural and strengthen mechanism of titanium alloys, the concepts for the research and development of anti-galling titanium alloy oil well pipe materials were also discussed.
KeywordsTitanium alloys Oil well pipe Thread galling Phase transformation Strength
This work was supported by the Innovative training program (KSZ16113) and Scientific Research Foundation and Opening Foundation (X151516KCL23) of Southwest Petroleum University, and open fund of Fujian Provincial Key Laboratory of Materials Genome (Xiamen University). Xin Wang acknowledges a funding from the Department of Education of Sichuan Province (17ZA0419) as well as scientific research starting project funding (2017QHZ020) and start-up funding from Southwest Petroleum University.
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