FIELD: metallurgy.
SUBSTANCE: device consists of electrodes coaxially arranged in vacuum chamber; electrodes are equipped with bushing insulators connected to source of direct current. Also device consists of a source of magnetic field crossed with electric field. A treated pipe corresponds to one of electrodes, while another one is a target, length of which is as big, as length of treated surface. Additionally, the source of magnetic field is made as the source of current electrically coupled with the target or with the target and the conductor arranged in a cavity made in the target.
EFFECT: design of device facilitates application of uniform coating on internal surface of long-length pipe of small diametre.
3 cl, 4 dwg
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