kõvenemiskihi
Kõvenemiskihi, also known as hardening layer, is a surface treatment process applied to metals to increase their hardness and wear resistance. This is achieved by altering the chemical composition or microstructure of the surface layer. Common methods for creating a kõvenemiskihi include case hardening, nitriding, and carburizing. Case hardening involves heating the metal in a carbon-rich environment, allowing carbon atoms to diffuse into the surface. Subsequent quenching hardens this carbon-enriched layer. Nitriding introduces nitrogen into the surface, forming hard nitrides. Carburizing is a specific type of case hardening where carbon is the primary element introduced. These processes are vital for components subjected to high stress and friction, such as gears, bearings, and cutting tools, extending their operational lifespan and improving performance. The depth and hardness of the kõvenemiskihi can be precisely controlled to meet specific application requirements. The effectiveness of the treatment depends on the base metal's composition and the chosen process parameters.