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2 027 689

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Application

5049971/26, 1992-06-26

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Actual filing date

1992-06-26

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Published

1995-01-27

(72)

Inventor

Loparev V.V.Korolev S.V.Khrustalev S.N.Lavrov V.E.Man'Kov A.N.Anikin V.N.Veprintsev V.I.Tal'Drik A.F.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij I Proektnyj Institut Tugoplavkikh Metallov I Tverdykh Splavov

METHOD OF PRODUCTION OF SUPERHARD MATERIAL Russian patent published in 1995 - IPC

Abstract RU 2027689 C1

FIELD: manufacture of drilling, stoneworking, drawing and straightening tools. SUBSTANCE: diamond with particles measuring 14 to 20 μm is impregnated or mixed with 2 to 18 percent by mass of an alloy containing, percent by mass: Ti - 5 to 12; B - 5 to 20; Si the rest, with particles measuring 1 to 5 μm. Powder is sintered on a high-pressure moulder, type "toroid", at 8.5 GPa during 3 s. The temperature is 1600 to 1900 C. The strength of grains 630/500 in sintered material is 170 to 200 N, quantity of specimens broken by falling ball - 2 to 14 pc out of 30 pc. EFFECT: facilitated procedure. 1 tbl

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RU 2 027 689 C1

Authors

Loparev V.V.

Korolev S.V.

Khrustalev S.N.

Lavrov V.E.

Man'Kov A.N.

Anikin V.N.

Veprintsev V.I.

Tal'Drik A.F.

Dates

1995-01-27—Published

1992-06-26—Filed

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