СПОСОБ ПОЛУЧЕНИЯ МНОГОСЛОЙНОГО ПОКРЫТИЯ ДЛЯ РЕЖУЩЕГО ИНСТРУМЕНТА

摘要

FIELD: processes for applying wear-resistant coatings on cutting tools, possibly at working metals. ^ SUBSTANCE: method comprises steps of vacuum-plasma deposition of laminate coating; using for all layers of coating the same nitride or carbonitride of refractory metal or metal compound; depositing upper and lower layers at higher condensation temperature in comparison with mean layer. ^ EFFECT: enhanced efficiency of cutting tool providing improved working quality. ^ 1 tbl, 3 ex