Abstract
The results on the properties of a two-layer heat-resistant Ni—Cr—Mo—W—Al coating on Cr—Mo—V steel during high-velocity air arc spray metallization for protection against electrochemical and gas sulfide corrosion are presented. The macrostructure, porosity, adhesion and microhardness of the coating is studied. The corrosion resistance of the coating is studied using electrochemical and autoclave tests at high pressure, tests for dry abrasive wear. A technical solution and recommendations for optimization of the chemical composition of a two-layer coating for corrosion protection in high-temperature sulfide-oxidizing environments are developed.
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Schedule a callMore From: Blanking productions in mechanical engineering (press forging, foundry and other productions)
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