ELECTRIC Al-Zr ALLOY PLATING BATH USING ROOM TEMPERATURE MOLTEN SALT BATH AND PLATING METHOD USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide an electric Al-Zr alloy plating bath which has no risk of explosion even when it is brought into contact with air or water and with which the deposit of dendrites can be suppressed even on a part where the electrical current density is high, a uniform plated film with good covering power properties can be obtained even on a part where the electrical current density is low, and a plated film exhibiting high corrosion resistance without being subjected to chromate treatment can be obtained.;SOLUTION: Disclosed is an electric Al-Zr alloy plating bath contains an aluminum halide (A), one or more compounds (B) selected from the group comprising N-alkylpyridinium halides or the like, and a zirconium halide (C). The molar ratio between the aluminum halide (A) and the compounds (B) is from 1:1 to 3:1. The electric Al-Zr alloy plating both further contains an aromatic organic solvent (D), one or more organic polymers (E) selected from polymers such as styrene-based polymers, and one or more additives (F) such as a brightening agent selected from aliphatic aldehydes or the like.;COPYRIGHT: (C)2008,JPO&INPIT