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Application

99107803/02, 1999-04-22

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Start date

1999-04-22

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Actual filing date

1999-04-22

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Published

1999-11-20

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Inventor

Nikulina A.V.Shebaldov P.V.Shishov V.N.Peregud M.M.Ageenkova L.E.Rozhdestvenskij V.V.Markelov P.P.Solonin M.I.Bibilashvili Ju.K.Lavrenjuk P.I.Lositskij A.F.Ganza N.A.Kuz'Menko N.V.Kotrekhov V.A.

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Holder

Gosudarstvennyj Nauchnyj Tsentr Rf Vserossijskij Nauchno-Issledovatel'Skij Institut Neorganicheskikh Materialov Im.Akad.A.A.Bochvara

ZIRCONIUM-BASE ALLOY Russian patent published in 1999 - IPC

Abstract RU 2141540 C1

FIELD: zirconium-base alloys. SUBSTANCE: zirconium-base alloy contains the following components, wt.%: niobium 0.5-3.0; thin 0.5-2.0; iron 0.3-1.0; chromium 0.002-0.2; carbon 0.003-0.04; oxygen 0.04-0.15; silicon 0.002-0.15; one element selected from group containing tungsten, molybdenum or vanadium 0.001-0.4; the balance, zirconium. Microstructure of alloy is characterized by iron-niobium-containing particles sizing not more than 0.3 mcm uniformly located in alpha-solid solution. Invention allows production of zirconium-base material whose articles used in active zone of nuclear reactors have higher strength and resistance to irradiation growth and creepage at temperature of 300-350 C due to creation in them of definite in them of definite microstructure, with preservation of high resistance to corrosion and destruction. EFFECT: higher efficiency. 3 cl, 2 tbl

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RU 2 141 540 C1

Authors

Nikulina A.V.

Shebaldov P.V.

Shishov V.N.

Peregud M.M.

Ageenkova L.E.

Rozhdestvenskij V.V.

Markelov P.P.

Solonin M.I.

Bibilashvili Ju.K.

Lavrenjuk P.I.

Lositskij A.F.

Ganza N.A.

Kuz'Menko N.V.

Kotrekhov V.A.

Dates

1999-11-20—Published

1999-04-22—Filed

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