Phosphate coating on steel surfaces by an electrochemical method

The Effect of Accelerator Types on the Phosphate Zn-%12Ni Electrodeposited Coating

“…Chromate and phosphate films are common additional surface treatments used for various applications in different industrial fields [22][23][24][25][26][27][28][29][30]. An excellent anticorrosive behavior of chromate films is well known; however, the toxicity of Cr (VI) compounds restricts application of this technology [31].…”

“…Phosphating is one of the most applicable processes carried out as a final surface treatment [22]. Phosphate coatings, because of their low cost, high phosphating rate, very high corrosion resistance, high wear resistance, and good lubricant and cohesion properties, have important role in automotive industry [32].…”

Nano zinc phosphate coatings for enhanced corrosion resistance of mild steel

“…Recent efforts to enhance the corrosion resistance of phosphate coatings have mainly been focused on the pre-treatment methods before phosphating and the process technologies for phosphating [4][5][6][7][8]. Zinc phosphating is one of the promising method for enhancing the corrosion resistance of iron and steel [8].…”

Application of magnesium phosphate coating on low carbon steel via electrochemical cathodic method and investigation of its corrosion resistance

“…For applying this kind of coatings we usually use a solution of phosphoric acid and magnesium salts to apply this kind of coating by immersing the sample in a solution with or without electric current or by spraying the solution on the sample [3]. The main properties of this coating are increased corrosion resistance, improved adhesion between M A N U S C R I P T A C C E P T E D ACCEPTED MANUSCRIPT the topcoat and base metal and enhanced absorption of metal lubricant [4][5][6][7][8]. These coatings are applied on different metals and alloys such as steel, cast iron, aluminum, magnesium, etc [3,9].…”