BESCHICHTUNGSMASSEN ZUM VERHINDERN DER OXIDATION VON ELEKTRODEN WAEHREND DER HERSTELLUNG VON EISENMETALLEN INSBESONDERE STAHL, IN ELEKTRISCHEN OEFEN

摘要

A coating is provided which substantially lengthens the life of carbon and graphite electrodes used in electrical arc processes for the manufacture of ferrous metals. The coating forms a silica-phosphorus glass upon the electrodes.