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2 108 991

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C1

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IPC

(21) (22)

Application

97102414/03, 1997-02-24

(22)

Actual filing date

1997-02-24

(45)

Published

1998-04-20

(72)

Inventor

Semjannikov V.P.Gel'Fenbejn V.E.Zhuravlev Ju.L.Gushchin V.Ja.

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo

MAGNESIA-CARBON REFRACTORY MATERIALS Russian patent published in 1998 - IPC

Abstract RU 2108991 C1

FIELD: refractory materials. SUBSTANCE: invention relates to production of high-resistance carbon- containing refractory materials for lining of assemblies in nonferrous and ferrous metallurgy, in particular, for out-of-furnace steel processing installations, argon-oxygen metal refining assemblies, and converters. Magnesia-carbon refractory material contains (in wt %): periclase and/or fired dolomite fraction below 5 mm, 50-75; fine mixture of periclase with silicicated graphite fraction below 0.063 mm at ratio 75:25 to 50:50, 20-30; crystalline graphite, 2-5; and organic binder, 3-8. EFFECT: increased density and compression strength at 1400 C. 2 tbl

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RU 2 108 991 C1

Authors

Semjannikov V.P.

Gel'Fenbejn V.E.

Zhuravlev Ju.L.

Gushchin V.Ja.

Dates

1998-04-20—Published

1997-02-24—Filed

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