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2 517 057

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IPC

A61K6/04(2006-01-01)

A61C13/00(2006-01-01)

C22C19/07(2006-01-01)

(21) (22)

Application

2012155763/15, 2012-12-21

(24)

Start date

2012-12-21

(22)

Actual filing date

2012-12-21

(45)

Published

2014-05-27

(72)

Inventor

Novichkova Ol'Ga Vasil'EvnaSachina Lidija AleksandrovnaFilippov Georgij Anatol'EvichSavin Vladimir AlekseevichPanfilova Viktorija IgorevnaChel'Dieva Zalina MikhajlovnaKrikheli Natella Il'InichnaBatykjan Tat'Jana ViktorovnaAlekseeva Ol'Ga Anatol'EvnaFrolov Aleksandr Tikhonovich

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Institut Chernoj Metallurgii Im. I.P. Bardina" Im. I.P. Bardina")

COBALT-BASED ALLOY FOR DENTURES OF HIGHER MECHANICAL PROPERTIES Russian patent published in 2014 - IPC A61K6/04 A61C13/00 C22C19/07

Abstract RU 2517057 C1

FIELD: metallurgy.

SUBSTANCE: proposed alloy contains the following components in wt %: carbon - 0.36-0.55, silicon - 0.7-2.5, manganese- 0.25-1.00, chromium - 27.5-30.5, molybdenum - 3.5-6.0, tungsten - 0.55-1.55, boron - 0.03-0.10, nickel - not over 0.5 and iron - not over 0.3 Note here that total amount of molybdenum and tungsten does not exceed 4.5-7.0.

EFFECT: higher strength and lower melting point, sufficient linear expansion factor, antirust properties, machinability.

2 tbl

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RU 2 517 057 C1

Authors

Novichkova Ol'Ga Vasil'Evna

Sachina Lidija Aleksandrovna

Filippov Georgij Anatol'Evich

Savin Vladimir Alekseevich

Panfilova Viktorija Igorevna

Chel'Dieva Zalina Mikhajlovna

Krikheli Natella Il'Inichna

Batykjan Tat'Jana Viktorovna

Alekseeva Ol'Ga Anatol'Evna

Frolov Aleksandr Tikhonovich

Dates

2014-05-27—Published

2012-12-21—Filed