In some specific applications, molybdenum electrodes may need to be coated with an anti-oxidation coating to increase their oxidation resistance. Because molybdenum easily reacts with oxygen to form oxides at high temperatures, resulting in the formation of an oxide layer on the electrode surface. This may affect the conductivity and lifetime of the electrodes.
By coating the anti-oxidation coating, it can effectively prevent the contact of oxygen and reduce the occurrence of oxidation reaction, thereby prolonging the service life of the molybdenum electrode. An anti-oxidation coating provides protection against oxide formation and reduces the electrode’s reaction to oxygen in high-temperature environments.
Common anti-oxidation coatings for molybdenum electrodes include alumina, zirconia, silicon nitride, etc. These coatings have good high temperature resistance and chemical stability, which can provide effective protection against oxidation.
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