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(19)

(11)

2 306 207

(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

2005139574/02, 2005-12-19

(24)

Start date

2005-12-19

(22)

Actual filing date

2005-12-19

(45)

Published

2007-09-20

(72)

Inventor

Korshunov Anatolij BorisovichGolubtsov Itehn VjacheslavovichIvanov Aleksandr NikolaevichGardash Valerij ViktorovichZhukov Jurij Nikolaevich

(73)

Holder

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

TOOL MADE OF 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 2306207 C1

FIELD: machine engineering, possibly manufacture of different types of cutters, milling cutters, drills, screw taps and so on.

SUBSTANCE: tool is made of steel containing as main structural component ferrite a-Fe alloyed with chrome and molybdenum. Mean size of a-Fe blocks is no more than 35 nm; micro-deformations of crystal lattice of a-Fe are no more than 4.3 x 10^-3. Invention provides increased strength and lowered embrittlement of ferrite a-Fe.

EFFECT: increased useful life period of tool.

1 tbl, 1 ex

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RU 2 306 207 C1

Authors

Korshunov Anatolij Borisovich

Golubtsov Itehn Vjacheslavovich

Ivanov Aleksandr Nikolaevich

Gardash Valerij Viktorovich

Zhukov Jurij Nikolaevich

Dates

2007-09-20—Published

2005-12-19—Filed