METHOD OF PRODUCTION OF ION-PLASMA VACUUM-ARC CERAMIC-METAL COATING TiN-Cu FOR CARBIDE CUTTING TOOL WITH EXTENDED APPLICATION SCOPE

申请公布号：RU2573845(C1)

申请号：RU20140144847

申请日期：2014.11.10

申请公布日期：2016.01.27

申请人：

FEDERAL'NOE GOSUDARSTVENNOE AVTONOMNOE OBRAZOVATEL'NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL'NOGO OBRAZOVANIJA "NATSIONAL'NYJ ISSLEDOVATEL'SKIJ TEKHNOLOGICHESKIJ UNIVERSITET "MISIS"

发明人：BLINKOV IGOR' VIKTOROVICH;BELOV DMITRIJ SERGEEVICH;VOLKHONSKIJ ALEKSEJ OLEGOVICH;ANIKIN VJACHESLAV NIKOLAEVICH

分类号：B82B3/00;B23B27/14;C23C14/24

主分类号：B82B3/00

摘要：FIELD: electricity.SUBSTANCE: pre-cleaning of the tool surface and further vacuum-arc deposition of a coating upon evaporation of cathodes containing titanium and tin in a reaction gas, i.e. nitrogen. The process is performed at an arc current evaporating the cathodes of 100-120 A and negative bias voltage supplied to the carbide cutting tool equal to 100-120 V. Each evaporated cathode is made combined with a regulated ratio of areas of the evaporated titanium base and copper insert equal to 3.2-2.6, ensuring copper content in the coating of 3.5-7%.EFFECT: increased strength of the carbide cutting tool and extension of its application scope both for continuous, and intermittent cutting.7 dwg, 2 tbl, 8 ex

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