Conditions required for magnesium alloy sacrificial anode to work

The function of magnesium alloy sacrificial anode is to reduce the corrosion rate of cathode and achieve the purpose of protecting cathode from corrosion. The corrosive medium must be a conductive material to establish a continuous circuit; it is easier for the metal material to be cathodized in the medium, otherwise it will increase the power consumption and affect the effect of cathodic protection; in order to avoid the unevenness of the protection current, geometric shielding should be implemented for complex metal equipment or structures; the cathode and cathode must be electrically insulated, and the cathode system needs to have conductive continuity.