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RU2002131254A - DISPERSION-HARDING COPPER ALLOY AS A MATERIAL FOR PRODUCING CASTING FORMS - Google Patents

DISPERSION-HARDING COPPER ALLOY AS A MATERIAL FOR PRODUCING CASTING FORMS

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Publication number
RU2002131254A
RU2002131254A RU2002131254/02A RU2002131254A RU2002131254A RU 2002131254 A RU2002131254 A RU 2002131254A RU 2002131254/02 A RU2002131254/02 A RU 2002131254/02A RU 2002131254 A RU2002131254 A RU 2002131254A RU 2002131254 A RU2002131254 A RU 2002131254A
Authority
RU
Russia
Prior art keywords
alloy according
cobalt
beryllium
alloy
zirconium
Prior art date
Application number
RU2002131254/02A
Other languages
Russian (ru)
Other versions
RU2307000C2 (en
Inventor
Дирк РОДЕ
Томас ХЕЛЬМЕНКАМП
Фред РИХЕРТ
Original Assignee
Км Ойропа Метал Акциенгезелльшафт
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 DE10156925A external-priority patent/DE10156925A1/en
Application filed by Км Ойропа Метал Акциенгезелльшафт filed Critical Км Ойропа Метал Акциенгезелльшафт
Publication of RU2002131254A publication Critical patent/RU2002131254A/en
Application granted granted Critical
Publication of RU2307000C2 publication Critical patent/RU2307000C2/en

Links

Claims (10)

1. Дисперсионно-твердеющий медный сплав, содержащий, мас.%: 0,4-2% кобальта, который может быть частично заменен никелем, 0,1-0,5% бериллия, на выбор 0,03-0,5% циркония, 0,005-0,1% магния и, при необходимости, максимум 0,15%, по меньшей мере, одного элемента из группы, содержащей ниобий, марганец, тантал, ванадий, титан, хром, церий и гафний, остальное - медь, включая обусловленные изготовлением примеси и обычные добавки при переработке в качестве материала для изготовления литейных форм.1. Dispersion hardening copper alloy containing, wt.%: 0.4-2% cobalt, which can be partially replaced by nickel, 0.1-0.5% beryllium, optionally 0.03-0.5% zirconium , 0.005-0.1% magnesium and, if necessary, a maximum of 0.15% of at least one element from the group consisting of niobium, manganese, tantalum, vanadium, titanium, chromium, cerium and hafnium, the rest is copper, including impurities caused by the manufacture and conventional additives during processing as material for the manufacture of foundry molds. 2. Сплав по п.1, отличающийся тем, что он содержит 0,03-0,35% циркония и 0,005-0,05% магния.2. The alloy according to claim 1, characterized in that it contains 0.03-0.35% zirconium and 0.005-0.05% magnesium. 3. Сплав по п.1 или 2, отличающийся тем, что он содержит менее 1,0% кобальта, 0,15-0,3% бериллия и 0,15-0,3% циркония.3. The alloy according to claim 1 or 2, characterized in that it contains less than 1.0% cobalt, 0.15-0.3% beryllium and 0.15-0.3% zirconium. 4. Сплав по любому из пп.1-3, отличающийся тем, что отношение кобальта к бериллию составляет 2-15.4. The alloy according to any one of claims 1 to 3, characterized in that the ratio of cobalt to beryllium is 2-15. 5. Сплав по п.4, отличающийся тем, что отношение кобальта к бериллию составляет 2,2-5.5. The alloy according to claim 4, characterized in that the ratio of cobalt to beryllium is 2.2-5. 6. Сплав по любому из пп.1-5, отличающийся тем, что он содержит помимо кобальта до 0,6% никеля.6. The alloy according to any one of claims 1 to 5, characterized in that it contains, in addition to cobalt, up to 0.6% nickel. 7. Сплав по любому из пп.1-6, отличающийся тем, что он содержит максимум до 0,15%, по меньшей мере, одного элемента из группы, содержащей ниобий, марганец, тантал, ванадий, титан, хром, церий и гафний.7. The alloy according to any one of claims 1 to 6, characterized in that it contains a maximum of 0.15% of at least one element from the group consisting of niobium, manganese, tantalum, vanadium, titanium, chromium, cerium and hafnium . 8. Сплав по любому из пп.1-7, отличающийся тем, что из него посредством операций литья, горячего формообразования, диффузионного отжига при 850-980°С, холодного формообразования до 30% и дисперсионного твердения при 400-550°С в течение 2-5 ч изготавливают литейную форму с максимальным средним размером зерен 1,5 мм, которая имеет твердость, по меньшей мере, 170 HBW и электропроводность, по меньшей мере, 26 см/мм2.8. The alloy according to any one of claims 1 to 7, characterized in that from it through the operations of casting, hot forming, diffusion annealing at 850-980 ° C, cold forming up to 30% and dispersion hardening at 400-550 ° C for In 2-5 hours, a mold is made with a maximum average grain size of 1.5 mm, which has a hardness of at least 170 HBW and an electrical conductivity of at least 26 cm / mm 2 . 9. Сплав по п.8, отличающийся тем, что он имеет в состоянии дисперсионного затвердения средний размер зерен 30-500 мкм, твердость, по меньшей мере, 185 HBW, проводимость 30-36 см/мм2, условный предел текучести, по меньшей мере, 450 МПа и удлинение при разрыве, по меньшей мере, 12%.9. The alloy of claim 8, characterized in that it has a state of dispersion hardening, an average grain size of 30-500 microns, a hardness of at least 185 HBW, a conductivity of 30-36 cm / mm 2 , a yield strength of at least 450 MPa and elongation at break of at least 12%. 10. Сплав по любому из пп.1-9, отличающийся тем, что из него изготавливают оболочки литейных валков двухвалковой литейной установки, которые при близком к конечным размерам литье лент из цветных металлов, в частности из алюминия или алюминиевых сплавов, подвергаются переменной температурной нагрузке при высоких давлениях прокатки.10. The alloy according to any one of claims 1 to 9, characterized in that the shells of the casting rolls of a two-roll foundry plant are made from it, which, when casting tapes of non-ferrous metals, in particular aluminum or aluminum alloys, are subjected to a variable temperature load, close to the final dimensions at high rolling pressures.
RU2002131254/02A 2001-11-21 2002-11-20 Dispersion hardened copper alloy as material for making casting molds RU2307000C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10156925.4 2001-11-21
DE10156925A DE10156925A1 (en) 2001-11-21 2001-11-21 Hardenable copper alloy as a material for the production of casting molds

Publications (2)

Publication Number Publication Date
RU2002131254A true RU2002131254A (en) 2004-05-20
RU2307000C2 RU2307000C2 (en) 2007-09-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002131254/02A RU2307000C2 (en) 2001-11-21 2002-11-20 Dispersion hardened copper alloy as material for making casting molds

Country Status (17)

Country Link
US (1) US7510615B2 (en)
EP (1) EP1314789B1 (en)
JP (1) JP4464038B2 (en)
KR (1) KR100958687B1 (en)
CN (1) CN1419981A (en)
AT (1) ATE315670T1 (en)
AU (1) AU2002302077B2 (en)
BR (1) BR0204703B1 (en)
CA (1) CA2409888C (en)
DE (2) DE10156925A1 (en)
DK (1) DK1314789T3 (en)
ES (1) ES2252379T3 (en)
MX (1) MXPA02010878A (en)
NO (1) NO337790B1 (en)
RU (1) RU2307000C2 (en)
TW (1) TW593702B (en)
ZA (1) ZA200209326B (en)

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