FIELD: thermochemical machining.
SUBSTANCE: the vacuum electric furnace has a vacuum chamber with a sealing cover, hollow pipe perforated in the whole working section for feeding the cooling gas inside the shaft to be coated and a device for supply of direct current to the shaft to be coated. A steel bath with a melt and a pressed saturating element, electric heaters and water walls is placed in the chamber. The electric heaters and the water walls are positioned on the outer side of the steel bath over its entire surface. The steel bath represents a cylindrical reservoir.
EFFECT: produced coatings with a shape memory, having a fractural structure, easily deformable at cryogenic temperatures.
1 dwg
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