How to repair stress corrosion cracking (SSC), relaxation or damage (stress corrosion cracking or corrosion fatigue crack) of Ni-based alloy (Cr deficiency inducing alloy) material by laser surface melting process

摘要

The present invention relates to a method of repairing the surface of a Ni-based alloy (Cr deficiency inducing alloy) or a welded Ni-based alloy, the method comprising melting a surface of the material with a laser beam, To prevent or mitigate the occurrence and propagation of the damaged area, and to repair the damaged area.