FIELD: electricity.
SUBSTANCE: use of a device with plasma electron source to form a three-dimensional article by consecutive melting at least one layer of powder matrix applied on working table, which parts correspond to successive sections of the three-dimensional article. The device with plasma electron source contains: a discharge chamber with a cathode, in which the plasma is generated, an outlet hole which is made in the discharge chamber with the cathode and from which the electrons are extracted from the plasma by an accelerating field formed between the discharge chamber with the cathode and an anode, at least one device for plasma confinement, and a switching means for switching at least one device for holding plasma between a first value providing extraction of electrons from the plasma and a second value preventing extraction of electrons from the plasma.
EFFECT: improvement of the quality of the formed three-dimensional article.
18 cl, 5 dwg
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