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2 118 951

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C1

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IPC

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Application

95113832/03, 1995-08-01

(22)

Actual filing date

1995-08-01

(45)

Published

1998-09-20

(72)

Inventor

Believ M.M.Keda A.M.Mikhalev V.P.Saltykov V.A.Nuzhdin G.A.

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa

METHOD OF SUPERSOLID COMPOSITION MATERIAL PRODUCING Russian patent published in 1998 - IPC

Abstract RU 2118951 C1

FIELD: inorganic chemistry and technology. SUBSTANCE: supersolid material blank is formed by the successive metallic composition layer stacking. Composition has intermetallic compound Ti3Cu or TiCu,, cutting layer containing 95-99 wt.-% cubic boron nitride and 1-5 wt.-% aluminium (grain size is 1-3 mcm) and backing containing a mixture of intermetallic compound Ti3Cu or TiCu and cubic boron nitride. Composition is subjected for firstly by heating to aluminium melting point and pressure at 1-3 kbar at isothermal exposition 1-5 s followed by pressure effect at 15-35 kbar at metallic composition melting point. Then temperature is decreased to 600-950 C and supported its cyclic change for 5-30 min and then pressure is decreased to atmospheric one and temperature is decreased to 350-550 C at isothermal exposition for 5-60 min and then temperature is decreased to the room point. Method can be used machine engineering. EFFECT: improved method of composition making.

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RU 2 118 951 C1

Authors

Believ M.M.

Keda A.M.

Mikhalev V.P.

Saltykov V.A.

Nuzhdin G.A.

Dates

1998-09-20—Published

1995-08-01—Filed

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