An important achievement of the application of electrochemistry in evaluation of the corrosion protection properties of coatings/metal system has been briefly described,focused on the application of multi-potentiodynamic scan method in the evaluation of the corrosion protection properties of coatings/metal system.

Some surface treatment methods for magnesium alloys are introduced in this paper,including chemical conversion,anodic oxidation,metallic coating,organic coating,polymer plating,vapor deposition and rapid solidification.

Analyze through the application of the factor influencing water pump efficiency and ultra slippery metallic coating performance, studying utilizes the ultra slippery metallic coating to carry on reducing energy consumption to the old water pump, improve the operational efficiency of the water pump.

The mechanism of high-temperature corrosion on water-wall of coal-fired boilers in thermal power plants has been briefly presented, and preventive countermeasures being put forward directing against different causes of high-temperature corrosion, the prevention technology of spraying corrosion-resistant metallic coatings onto surface of the water-wall being emphatically narrated.

Electrochemical property of anodic metal spray coating at seawater;