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2 013 464

(13)

C1

(51)

IPC

(21) (22)

Application

5012702/02, 1991-11-12

(22)

Actual filing date

1991-11-12

(45)

Published

1994-05-30

(72)

Inventor

Grigor'Ev S.N.

(73)

Holder

Nauchno-Proizvodstvennoe Predprijatie

METHOD OF COMPLEX ARTICLE WORKING Russian patent published in 1994 - IPC

Abstract RU 2013464 C1

FIELD: machine engineering. SUBSTANCE: articles made of high-speed cutting steel are subjected for ionic nitriding, and nitrided layer is prepared. Thickness of layer is 5-200 microns, hardness is 800-1200 kg/800-1200 kg/mm2. Then wear-resistant coating is applied by vacuum-plasma method for 5-120 min. EFFECT: improved method of working. 1 tbl

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RU 2 013 464 C1

Authors

Grigor'Ev S.N.

Dates

1994-05-30—Published

1991-11-12—Filed

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