1. Research on metal coatings. Current status of Teflo coatings. Thermal sprayed metal coatings are wear-resistant coatings that have been researched and applied earlier. Commonly used are metals (Mo, Ni), carbon steel and low alloy steel, stainless steel

Teflo coatings are heat-resistant inorganic non-stick coatings that can be used in iron, steel, aluminum, ceramics, etc., are widely used in metallurgy, petroleum industry, natural gas extraction and other industrial fields, and can withstand temperatures up to