HIGH CORROSION RESISTANT, HIGH SPEED ACID ZINC-NICKEL ALLOY PLATING COMPOSITION AND PROCESS TECHNOLOGY

摘要

According to the present specification, disclosed is a method for plating a metal surface with acid zinc-nickel in multiple stages. According to the method of one aspect of the present invention, a zinc-nickel plated layer is formed on a zinc plated layer of a plated object so that corrosion resistance can be increased more than two times as in comparison to when only zinc plated layer is formed. The method is useful since the same can be widely used in plating steel components exposed to corrosion environments such as vehicle calipers. In terms of construction, the method can manufacture a plating body with improved corrosion resistance and high-speed plating by simply remodeling the construction for conventionally used zinc plating. Therefore, cost efficiency of the method can be secured.;COPYRIGHT KIPO 2018