To cope with the stress a piece is subjected to at its interface (abrasion, corrosion .) and in its mass (elongation, flexion), it is necessary that the piece possesses characteristics of high hardness, mechanical resistance and ductibility (elongation, resistance).

Principle :

The cladding material, generally powder, is injected inside or in front of the laser beam. As soon as the superficial melting starts, powder is caught and transfers its energy to the feeding of the superficial melting. Thus, the process self-regulates, ensuring metallurgical bond, low dilution and fine structures due to fast cooling kinetics. A coating is the result of several welds made side by side.