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(19)

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2 306 205

(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

2005139572/02, 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 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 2306205 C1

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

SUBSTANCE: tool is made of quick cutting steel P18 containing ferrite a-Fe alloyed with chrome and tungsten and carbide Fe₃W₃C of quick cutting steel. Mean size of blocks cc-Fe is no more than 42 nm; of Fe₃W₃C blocks - no more than 32 nm. Micro-deformations of crystal lattice oc-Fe are no more than 4.7 x10^-3 and micro-deformations of crystal lattice of Fe₃W₃C are no more than 6.5 X10^-4.

EFFECT: increased strength of steel, increased useful life period of tool.

1 tbl, 1 ex

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RU 2 306 205 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