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2 186 872

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IPC

(21) (22)

Application

2000109734/02, 2000-04-17

(24)

Start date

2000-04-17

(22)

Actual filing date

2000-04-17

(45)

Published

2002-08-10

(72)

Inventor

Semenov A.P.Sizov I.G.Smirnjagina N.N.Korobkov N.V.Tseloval'Nikov B.I.Vandanov A.G.

(73)

Holder

Burjatskij Nauchnyj Tsentr So RanVostochno-Sibirskij Gosudarstvennyj Tekhnologicheskij Universitet

METHOD OF ELECTRON-BEAM BORATING OF STEEL AND CAST- IRON Russian patent published in 2002 - IPC

Abstract RU 2186872 C2

FIELD: metallurgy; chemical and thermal treatment; mechanical engineering; surface hardening of parts made from carbon steel and cast-iron. SUBSTANCE: method includes application of boron-containing agent and binder covering on surface of metal followed by electron-beam treatment in vacuum continued for 4-5 min at density of power of 2.0-2.5 kW/sq.cm. EFFECT: increased depth and enhanced smoothness of borated layer. 4 ex

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RU 2 186 872 C2

Authors

Semenov A.P.

Sizov I.G.

Smirnjagina N.N.

Korobkov N.V.

Tseloval'Nikov B.I.

Vandanov A.G.

Dates

2002-08-10—Published

2000-04-17—Filed