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(19)

(11)

2 268 323

(13)

(51)

IPC

C23C28/00(2006-01-01)

C23C14/48(2006-01-01)

C23C14/58(2006-01-01)

(21) (22)

Application

2004122491/02, 2004-07-22

(24)

Start date

2004-07-22

(22)

Actual filing date

2004-07-22

(45)

Published

2006-01-20

(72)

Inventor

Poleshchenko Konstantin NikolaevichMukhin Valerij Anatol'EvichGrinberg Petr BorisovichBorbat Vladimir FedorovichKozorog Irina BorisovnaPovoroznjuk Sergej Nikolaevich

(73)

Holder

Gou Vpo Gosudarstvennyj Universitet"

METHOD OF PRODUCTION OF GRADIENT HARD CORROSION-RESISTANT COMPOSITION ON SURFACES OF SPECIMENS MADE FROM HARD ALLOYS AND ALLOYED STEELS Russian patent published in 2006 - IPC C23C28/00 C23C14/48 C23C14/58

Abstract RU 2268323 C1

FIELD: modification of surfaces of friction parts working in aggressive media under fretting corrosion conditions.

SUBSTANCE: proposed method includes treatment with charged particle beams for forming gradient structure from hard nitrides, carbides and softer oxides; treatment with beams of charged particles is carried out by beams of gas-and-metal composition containing ions of transition metals and active or inert gases; then, alkali-free chemical oxidation or passivation and treatment with beams of charged particle is performed; gas-and-metal composition contains ions of elements possessing high tendency to passivation.

EFFECT: enhanced efficiency.

2 cl, 1 dwg, 2 ex

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RU 2 268 323 C1

Authors

Poleshchenko Konstantin Nikolaevich

Mukhin Valerij Anatol'Evich

Grinberg Petr Borisovich

Borbat Vladimir Fedorovich

Kozorog Irina Borisovna

Povoroznjuk Sergej Nikolaevich

Dates

2006-01-20—Published

2004-07-22—Filed