Abstract
The effect of protective coatings on the wear resistance and corrosion resistance of the 2024 aluminium alloy used for the oil drill pipes producing is studied. The nature of the drill pipes damage made of aluminium alloys during operation is analyzed. The microstructure of the coatings, the electrochemical potential and corrosion rate of the 2024 aluminium alloy with and without coatings of various compositions are studied, and comparative analysis of the adhesion and wear resistance of coatings is performed. It is shown that tube billet made of 2024 alloy with сoating based on tungsten carbide has the highest range of service properties and can be used to effectively protect the surface of aluminium drill pipes during operation.
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