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(19)

(11)

2 307 007

(13)

(51)

IPC

B23D13/00(2006-01-01)

B23B27/00(2006-01-01)

B23B51/00(2006-01-01)

B23C5/00(2006-01-01)

B23G5/00(2006-01-01)

C21D1/09(2006-01-01)

C21D9/22(2006-01-01)

C22C38/24(2006-01-01)

(21) (22)

Application

2006106798/02, 2006-03-07

(24)

Start date

2006-03-07

(22)

Actual filing date

2006-03-07

(45)

Published

2007-09-27

(72)

Inventor

Korshunov Anatolij BorisovichGolubtsov Itehn VjacheslavovichIvanov Aleksandr NikolaevichShakhova Kira IvanovnaGardash Valerij ViktorovichZhukov Jurij NikolaevichGazuko Igor' Vasil'Evich

(73)

Holder

Nauchno-Issledovatel'Skij Institut Mekhaniki Moskovskogo Gosudarstvennogo Universiteta Im. M.V. Lomonosova

TOOL MADE OF HIGH-SPEED STEEL Russian patent published in 2007 - IPC B23D13/00 B23B27/00 B23B51/00 B23C5/00 B23G5/00 C21D1/09 C21D9/22 C22C38/24

Abstract RU 2307007 C1

FIELD: machine engineering, possibly cold and hot mechanical working of different materials, mainly metals and their alloys.

SUBSTANCE: tool made of high-speed steel P18 may be in the form of cutter, milling cutter, drill, screw tap and so on. High-speed steel of tool contains α-phase - martensite α-Fe alloyed with chrome and tungsten; γ-phase - austenite alloyed with chrome and tungsten; and carbide Fe₃W₃C. Austenite concentration is no more than 4.4 ± 0.5 mass%; martensite concentration is no less than 84.3 ± 4.0 mass %; concentration of Fe₃W₃C is equal to 11.3 ± 0.6 mass%.

EFFECT: improved strength, reduced embrittlement, increased useful life period of tool.

1 tbl, 1 ex

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RU 2 307 007 C1

Authors

Korshunov Anatolij Borisovich

Golubtsov Itehn Vjacheslavovich

Ivanov Aleksandr Nikolaevich

Shakhova Kira Ivanovna

Gardash Valerij Viktorovich

Zhukov Jurij Nikolaevich

Gazuko Igor' Vasil'Evich

Dates

2007-09-27—Published

2006-03-07—Filed