Engineers from 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 to increase 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 for faster and higher-quality application of a protective coating, and significantly increases engine life and reliability, i.e., 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.
The 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 to control the structure and thickness of the coating, ensuring maximum strength and adhesion.
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