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2 210 617

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IPC

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Application

2001132103/02, 2001-11-29

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Start date

2001-11-29

(22)

Actual filing date

2001-11-29

(45)

Published

2003-08-20

(72)

Inventor

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

(73)

Holder

Vostochno-Sibirskij Gosudarstvennyj Tekhnologicheskij UniversitetBurjatskij Nauchnyj Tsentr So Ran

COMBINED CARBON STEEL BORONIZING METHOD Russian patent published in 2003 - IPC

Abstract RU 2210617 C1

FIELD: chemical metal treatment. SUBSTANCE: invention provides method wherein carbon steel intended for machine parts is subjected to boronizing at 940 C for 3 h in container provided with fusible seal consisting of saturation mixture, in particular 100% B₄C. After boronizing, metallic surface is affected by electron beam in vacuum (2×10^-3 Pa) for 15-50 sec with specific power 2.9×10⁴ W/cu.cm. EFFECT: achieved strengthening of machine parts.

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RU 2 210 617 C1

Authors

Sizov I.G.

Smirnjagina N.N.

Semenov A.P.

Prusakov B.A.

Novakova A.A.

Korobkov N.V.

Tseloval'Nikov B.I.

Dates

2003-08-20—Published

2001-11-29—Filed