Inhibitor for steam generator tubes in nuclear power plant, is supplied into feed water for inhibiting intergranular corrosion of steam generator tubes

摘要

The inhibitor such as lanthanum boride which is supplied into feed water, inhibits intergranular corrosion and stress corrosion cracking of steam generator tubes in the secondary side of the nuclear power plant. An Independent claim is included for method for inhibiting intergranular corrosion and stress corrosion cracking.