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2 048 266

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C1

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IPC

(21) (22)

Application

93057524/02, 1993-12-28

(22)

Actual filing date

1993-12-28

(45)

Published

1995-11-20

(72)

Inventor

Tarakanov B.M.Kamenshchikov G.P.Krokhin A.S.Kardanov V.A.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij I Proektnyj Institut Tugoplavkikh Metallov I Tverdykh SplavovZavod

METHOD FOR PRODUCTION OF HARD ALLOYS Russian patent published in 1995 - IPC

Abstract RU 2048266 C1

FIELD: powder metallurgy. SUBSTANCE: method involves pressing of charge and sintering it in a fluidized bed of pre-sintered aluminium oxide in a reducing atmosphere. Sintering includes heating at the rate of 35-40 C/min to 800-850 C followed by holding for 30-40 min then at the rate of 50-55 C/min to 1350-1440 C followed by holding for 50-60 min. EFFECT: higher yield of product and production of high-quality hard-alloy articles featuring excellent operating durability. 1 tbl

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RU 2 048 266 C1

Authors

Tarakanov B.M.

Kamenshchikov G.P.

Krokhin A.S.

Kardanov V.A.

Dates

1995-11-20—Published

1993-12-28—Filed

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