FIELD: plasma coating. SUBSTANCE: process of surface preparation for plasma coating includes machining with simultaneous action of ultrasonic vibrations and static pressure. Maximum value of amplitude of ultrasonic vibrations is set 18-20% bigger than radius of minimal dimension of particles of deposited material. EFFECT: enhanced quality of coat thanks to increased adhesion of it to base, provision for homogeneity of coat properties under specified treatment conditions. 1 dwg, 1 tbl
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