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RU95113877A - SINTERED POWDER MIXTURE FOR PRODUCTION OF MATERIAL AS BINDED CARBIDES ON A TUNGSTEN BASIS - Google Patents

SINTERED POWDER MIXTURE FOR PRODUCTION OF MATERIAL AS BINDED CARBIDES ON A TUNGSTEN BASIS

Info

Publication number
RU95113877A
RU95113877A RU95113877/02A RU95113877A RU95113877A RU 95113877 A RU95113877 A RU 95113877A RU 95113877/02 A RU95113877/02 A RU 95113877/02A RU 95113877 A RU95113877 A RU 95113877A RU 95113877 A RU95113877 A RU 95113877A
Authority
RU
Russia
Prior art keywords
carbides
powder
powder mixture
mixture according
production
Prior art date
Application number
RU95113877/02A
Other languages
Russian (ru)
Other versions
RU2138575C1 (en
Inventor
Гавиш Илан
Original Assignee
Искар Лтд.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from IL110663A external-priority patent/IL110663A/en
Application filed by Искар Лтд. filed Critical Искар Лтд.
Publication of RU95113877A publication Critical patent/RU95113877A/en
Application granted granted Critical
Publication of RU2138575C1 publication Critical patent/RU2138575C1/en

Links

Claims (1)

1. Спекаемая порошковая смесь для производства материала в виде связанных карбидов на вольфрамовой основе, содержащая не менее 70 мас.% WC, 2 - 15 мас.% металлического связующего из группы железа, выборочно до 15 мас.% одного или более карбидов, нитридов и карбонитридов металлов IVb, Vb, VIb групп Периодической таблицы элементов, отличающаяся тем, что содержит 1 - 8 мас.% оксида Ta(Nb) и порошковый элементарный углерод, взятый в стехиометрическом соотношении, необходимом для реакции
Ta(Nb)2O5+7C ___→ 2Ta(Nb)C +5CO
2. Смесь по п.1, отличающаяся тем, что содержит 6 - 8 мас.% кобальтового связующего, 1 - 3 мас.% оксида Ta(Nb) с соответствующим количеством элементарного порошкового углерода, как указано в п.1, а также сбалансированное по составу смеси количество WC.1. Sintering powder mixture for the production of material in the form of bound tungsten-based carbides, containing at least 70 wt.% WC, 2 - 15 wt.% Metal binder from the iron group, selectively up to 15 wt.% One or more carbides, nitrides and carbonitrides of metals of groups IVb, Vb, VIb of the Periodic table of elements, characterized in that it contains 1 to 8 wt.% of oxide Ta (Nb) and powder elemental carbon, taken in the stoichiometric ratio required for the reaction
Ta (Nb) 2 O 5 + 7C ___ → 2Ta (Nb) C + 5CO
2. The mixture according to claim 1, characterized in that it contains 6 to 8 wt.% Cobalt binder, 1 to 3 wt.% Of Ta (Nb) oxide with an appropriate amount of elemental carbon powder, as indicated in claim 1, as well as balanced the composition of the mixture is the amount of WC. 3. Смесь по п. 2, отличающаяся тем, что содержит от 2,3 мас.% оксида Ta(Nb), около 0,4 мас.% порошкового углерода и около 8 мас.% кобальтового связующего при сбалансированном по составу смеси количестве WC. 3. The mixture according to claim 2, characterized in that it contains from 2.3 wt.% Oxide of Ta (Nb), about 0.4 wt.% Powder carbon and about 8 wt.% Cobalt binder with a balanced amount of WC . 4. Смесь по п.1, отличающаяся тем, что содержит около 90 мас.% WC, около 6 мас. % Co, около 2,65 мас.% TiC, около 1,3 мас.% Ta(Nb)2O5 и около 0,18 мас.% элементарного углерода.4. The mixture according to claim 1, characterized in that it contains about 90 wt.% WC, about 6 wt. % Co, about 2.65 wt.% TiC, about 1.3 wt.% Ta (Nb) 2 O 5 and about 0.18 wt.% Elemental carbon. 5. Продукт из связанных карбидов на основе вольфрама, полученный спеканием порошковой смеси по п.1
6. Продукт в виде простого связанного карбида по п.5, полученный спеканием порошковой смеси по п.2 или 3.5. A product of tungsten-based bonded carbides obtained by sintering a powder mixture according to claim 1
6. The product in the form of a simple bonded carbide according to claim 5, obtained by sintering a powder mixture according to claim 2 or 3. 7. Продукт в виде сложных связанных карбидов по п.5, полученный спеканием порошковой смеси по п.4. 7. The product in the form of complex bound carbides according to claim 5, obtained by sintering the powder mixture according to claim 4. 8. Продукт из связанных карбидов по п.5, представляющий собой металлорежущую вставную пластину. 8. The product of bonded carbides according to claim 5, which is a metal cutting insert plate. 9. Спекаемая порошковая смесь для производства материала в виде связанных карбидов на вольфрамовой основе существенно такая, как та, что описана выше. 9. The sintered powder mixture for the production of material in the form of bound tungsten-based carbides is substantially the same as that described above.
RU95113877A 1994-08-15 1995-08-09 Easy-to-cake powder mixture for production of material in the form of bound carbides on tungsten basis RU2138575C1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL110663A IL110663A (en) 1994-08-15 1994-08-15 Tungsten-based cemented carbide powder mix and cemented carbide products made therefrom
IL110663 1994-08-15

Publications (2)

Publication Number Publication Date
RU95113877A true RU95113877A (en) 1997-07-10
RU2138575C1 RU2138575C1 (en) 1999-09-27

Family

ID=11066459

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95113877A RU2138575C1 (en) 1994-08-15 1995-08-09 Easy-to-cake powder mixture for production of material in the form of bound carbides on tungsten basis

Country Status (11)

Country Link
US (1) US5500289A (en)
EP (1) EP0697465A1 (en)
JP (1) JPH0860201A (en)
KR (1) KR960007066A (en)
CN (1) CN1118812A (en)
BR (1) BR9503499A (en)
CZ (1) CZ168795A3 (en)
IL (1) IL110663A (en)
PL (1) PL309326A1 (en)
RU (1) RU2138575C1 (en)
ZA (1) ZA955220B (en)

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