PVD plating and electrowinning

   

EW refers to electrolytic deposition, electrolytic dissolution by the current extraction to achieve the purpose of metal or substance, or a substance deposited metal precipitated from the solution purification process, it is important to the hydrometallurgical process, widely used in the metallurgical refining is electrowinning method and displacement method.
PVD is a physical vapor deposition, PVD technology as the most popular goods of vacuum coating and plating method, a PVD coating process is typically maintained at a temperature between 250-500, according to the actual needs of the specific needs of the product and film process, can be less than 100 can also be higher than 600 degrees Celsius.
General product types plated coating system TiN, TiC, TiCN, TiAlN, TiAlCN, TiCrN, TiCrCN, TiAlCrN, TiALYN more. Film thickness 2 ~ 5um, may also be thinned thickened.
PVD process
Physical plating plating plating into the water, the water is ever popular plating coating methods, the pollution, now gradually being physically plating (ie vacuum plating) replaced, there are many types of plating: hanging plating, barrel plating, plating, continuous plating, etc., depending on the plated items.