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2 097 127

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C1

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IPC

(21) (22)

Application

95116513/25, 1995-09-27

(22)

Actual filing date

1995-09-27

(45)

Published

1997-11-27

(72)

Inventor

Pavlychev A.N.Pospelov B.S.Teslja V.I.Shvetsov A.S.

(73)

Holder

Ural'Skij Ehlektrokhimicheskij Kombinat

METHOD OF FORMING THREAD-LIKE ALUMINUM OXIDE CRYSTALS ON SURFACE OF OBJECTS Russian patent published in 1997 - IPC

Abstract RU 2097127 C1

FIELD: automobile industry. SUBSTANCE: invention may be used when manufacturing converter to reduce toxicity of exhaust gases of automobiles. Whiskers of aluminum oxide are grown on surface of tapes of Fe-Cr-Al system containing 15-25% Cr, 3-6% Al, and up to 1% of one or several alloying additives selected from the group: Y, Ce, Zr, Ti. Process is conducted in one step at 1050-1150 C in wet hydrogen atmosphere. EFFECT: improved procedure. 4 dwg

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RU 2 097 127 C1

Authors

Pavlychev A.N.

Pospelov B.S.

Teslja V.I.

Shvetsov A.S.

Dates

1997-11-27—Published

1995-09-27—Filed

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