Engineers at South Ural State University (SUSU) have developed a unique technology for laser application of a special alloy to internal combustion engine pistons. Unlike traditional induction surfacing, it is less labor-intensive, more accurate, and allows increasing the engine life by 25%.
The technology for increasing engine durability is suitable for trucks and cars running on diesel and gasoline. It is especially relevant for commercial vehicles, highly loaded diesel engines, and racing cars.
The new technology differs from traditional induction surfacing. Our method is less labor-intensive, allows applying a protective coating faster and more efficiently, significantly increasing the engine life and reliability, that is, by 25%. It is based on the use of a high-tech coating that optimizes the thermal operating mode of the engine and protects the valves from burnout.
A protective layer of high-alloy alloy is created on the basis of cobalt, tungsten, alloyed with chromium and silicon. The alloy is applied to the valve chamfer, thereby providing protection against high-temperature effects of exhaust gases and corrosion.
The new method also allows controlling the structure and thickness of the coating, ensuring maximum strength and adhesion.
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