Abstract
Heating of metal products for heat treatment and metal treatment by pressure is accompanied by a loss of metal mass, called carbon monoxide. To protect the metal surface from oxidation, heating of workpieces is used: in products of incomplete combustion of fuel with an excess air coefficient of less than one; in molten salts; in protective media and by applying protective coatings to the surface of the heated metal, for example, using a spray gun that works well when using large products. When heating the stop sheets, coating each sheet is a difficult task, therefore, in this work, a method was tested to protect the stop sheets from oxidation when they were heated for heat treatment by applying liquid glass with a brush to various stop surfaces: end, upper and lower.
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