EP0771365B1 - Zinklegierung für druckgiessen in warmer druckkammer - Google Patents

Zinklegierung für druckgiessen in warmer druckkammer Download PDF

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Publication number
EP0771365B1
EP0771365B1 EP95926933A EP95926933A EP0771365B1 EP 0771365 B1 EP0771365 B1 EP 0771365B1 EP 95926933 A EP95926933 A EP 95926933A EP 95926933 A EP95926933 A EP 95926933A EP 0771365 B1 EP0771365 B1 EP 0771365B1
Authority
EP
European Patent Office
Prior art keywords
alloy
zinc
weight
alloy according
casting
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP95926933A
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English (en)
French (fr)
Other versions
EP0771365A1 (de
Inventor
Laurent R.A.G. Coster
Didier Rollez
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nv Union Miniere Sa
Umicore NV SA
Original Assignee
Nv Union Miniere Sa
Union Miniere NV SA
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
Application filed by Nv Union Miniere Sa, Union Miniere NV SA filed Critical Nv Union Miniere Sa
Publication of EP0771365A1 publication Critical patent/EP0771365A1/de
Application granted granted Critical
Publication of EP0771365B1 publication Critical patent/EP0771365B1/de
Anticipated expiration legal-status Critical
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C18/00—Alloys based on zinc
    • C22C18/04—Alloys based on zinc with aluminium as the next major constituent

Definitions

  • the present invention relates to a zinc-based alloy containing Al and Cu, flowable under pressure in a chamber machine hot.
  • the object of the present invention is to provide an alloy such as defined above, which has better creep resistance than the aforementioned known alloy.
  • An Mg content of more than 0.1% makes the alloy pasty in the molten state and fragile in the solid state.
  • the alloy also becomes pasty, when the limits given above for Ti, Cr and Mn are outdated.
  • Nb contents of more than 0.5% and Nb contents rare earth metals of more than 0.1% are difficult to achieve because of the great affinity of these elements for oxygen.
  • the Zn, Al and Cu, used to manufacture the alloy have a purity of ⁇ 99.99%, ⁇ 99.95% and ⁇ 99.99% respectively, because it has been found that the presence in the alloy of impurities adversely affects its fluidity and mechanical properties.
  • the alloy contains a metal having a very high affinity for oxygen, such as for example Y, at least one part of this metal may be present in the oxidized state.
  • test pieces are those prescribed by the Technical Committee of European Zinc Producers for specimens to be used in the tensile test of sheets and sheets made of zinc and zinc alloys.
  • the test pieces were subjected to the creep test at 100 ° C under a load of 40 MPa.
  • the creep curves, giving the elongation (in%) measured as a function of time (in hours), are represented at attached diagram.
  • alloys according to the invention resist creep much better than known alloys.
  • the tensile tests were carried out at room temperature with a pulling speed of 1 cm / min on test pieces of thickness of 3 mm, manufactured as described above.
  • the present invention also relates to a manufacturing process articles of a zinc-based alloy containing Al and Cu by casting under pressure in a hot chamber machine, this process being characterized in that the alloy is the alloy of the invention and in that the casting is carried out at a temperature equal to or lower than 460 ° C.
  • the present invention therefore also relates to a process for manufacturing articles of a zinc-based alloy containing Al and Cu by pressure casting in a cold room machine or by gravity casting, this process being characterized in that the alloy is the alloy of the invention.
  • the present invention also relates to the use of the alloy according to the invention as an anti-friction material.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Continuous Casting (AREA)
  • Forging (AREA)
  • Ink Jet (AREA)
  • Supercharger (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Ceramic Products (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Sliding-Contact Bearings (AREA)
  • Conductive Materials (AREA)
  • Mold Materials And Core Materials (AREA)
  • Adornments (AREA)

Claims (9)

  1. Al- und Cu-haltige Legierung auf Zinkbasis, die in einer Maschine mit Heizkammer unter Druck giessbar ist, dadurch gekennzeichnet, dass sie, in Gew.-%, 15-20 Al, 8-10 Cu, 0,01-2 Si, 0-0,1 Mg, 0-0,5 Ti, 0-0,5 Cr, 0-1 Mn, 0-0,5 Nb und 0-0,1 eines Seltenerdmetalls oder -metallgemischs enthält, wobei der Rest aus Zink und den im Zink und den obengenannten Legierungselementen zwangsläufig vorhandenen Verunreinigungen besteht.
  2. Al- und Cu-haltige Legierung auf Zinkbasis, die in einer Maschine mit Heizkammer unter Druck giessbar ist, dadurch gekennzeichnet, dass sie, in Gew.-%, 25-30 Al, 15-20 Cu, 0,01-2 Si, 0-0,1 Mg, 0-0,5 Ti, 0-0,5 Cr, 0-1 Mn, 0-0,5 Nb und 0-0,1 eines Seltenerdmetalls oder -metallgemischs enthält, wobei der Rest aus Zink und den im Zink und den obengenannten Legierungselementen zwangsläufig vorhandenen Verunreinigungen besteht.
  3. Legierung nach Anspruch 1, dadurch gekennzeichnet, dass sie, in Gew.-% 15-18 Al und vorzugsweise 15-17 Al enthält.
  4. Legierung nach Anspruch 2, dadurch gekennzeichnet, dass sie, in Gew.-%, 25,5-28,5 Al und 15-18 Cu enthält.
  5. Legierung nach einem der Ansprüche 1-4, dadurch gekennzeichnet, dass sie, in Gew.-%, 0,1-1 Si enthält.
  6. Legierung nach einem der Ansprüche 1-5, dadurch gekennzeichnet, dass Zn, Al und Cu, die zur Herstellung der Legierung verwendet werden, in einer Reinheit von jeweils ≥ 99,99%, ≥ 99,95% und ≥ 99,99% vorliegen.
  7. Verfahren zur Herstellung von Gegenständen aus einer Al- und Cu-haltigen Legierung auf Zinkbasis durch Giessen unter Druck in einer Maschine mit Heizkammer, dadurch gekennzeichnet, dass es sich bei der Legierung um die Legierung nach den Ansprüchen 1-6 handelt und dass das Giessen bei einer Temperatur von 460°C oder darunter erfolgt.
  8. Verfahren zur Herstellung von Gegenständen aus einer Al- und Cu-haltigen Legierung auf Zinkbasis durch Giessen unter Druck in einer Maschine mit Kühlkammer oder durch Standgiessen, dadurch gekennzeichnet, dass es sich bei der Legierung um eine Legierung nach den Ansprüchen 1-6 handelt.
  9. Verwendung der Legierung nach den Ansprüchen 1-6 als Lagermaterial.
EP95926933A 1994-07-18 1995-07-12 Zinklegierung für druckgiessen in warmer druckkammer Expired - Lifetime EP0771365B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE9400676A BE1008479A3 (fr) 1994-07-18 1994-07-18 Alliage de zinc coulable en chambre chaude.
BE9400676 1994-07-18
PCT/EP1995/002820 WO1996002682A1 (fr) 1994-07-18 1995-07-12 Alliage de zinc coulable en chambre chaude

Publications (2)

Publication Number Publication Date
EP0771365A1 EP0771365A1 (de) 1997-05-07
EP0771365B1 true EP0771365B1 (de) 1998-11-04

Family

ID=3888263

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95926933A Expired - Lifetime EP0771365B1 (de) 1994-07-18 1995-07-12 Zinklegierung für druckgiessen in warmer druckkammer

Country Status (16)

Country Link
EP (1) EP0771365B1 (de)
JP (1) JP3800345B2 (de)
KR (1) KR100343309B1 (de)
AT (1) ATE173029T1 (de)
AU (1) AU3113995A (de)
BE (1) BE1008479A3 (de)
BR (1) BR9507577A (de)
CA (1) CA2185013C (de)
CZ (1) CZ287825B6 (de)
DE (1) DE69505820T2 (de)
DK (1) DK0771365T3 (de)
ES (1) ES2126301T3 (de)
FI (1) FI114400B (de)
PE (1) PE12696A1 (de)
PL (1) PL178557B1 (de)
WO (1) WO1996002682A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100961081B1 (ko) * 2009-03-03 2010-06-08 임현규 고강도 경량 아연-알루미늄 합금
KR101955995B1 (ko) * 2017-03-21 2019-03-08 주식회사 지.에이.엠 고강도 아연-알루미늄 합금 및 고강도 아연-알루미늄 합금 주물
CN112522540A (zh) * 2020-12-01 2021-03-19 江苏同生特钢制造有限公司 一种锌合金铸件及其制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB769483A (en) * 1953-06-30 1957-03-06 Willi Neu Zinc aluminium alloy and process for the production thereof
US2870008A (en) * 1954-11-18 1959-01-20 Main Alloy Company Establishme Zinc-aluminium alloys and the method for producing same
US4789522A (en) * 1986-06-27 1988-12-06 Queen's University At Kingston Castable zinc-aluminum alloys

Also Published As

Publication number Publication date
FI970177A (fi) 1997-01-16
ES2126301T3 (es) 1999-03-16
JPH10502705A (ja) 1998-03-10
BE1008479A3 (fr) 1996-05-07
CZ5197A3 (en) 1997-04-16
BR9507577A (pt) 1997-09-09
ATE173029T1 (de) 1998-11-15
WO1996002682A1 (fr) 1996-02-01
FI970177A0 (fi) 1997-01-16
PL178557B1 (pl) 2000-05-31
EP0771365A1 (de) 1997-05-07
PE12696A1 (es) 1996-04-23
DE69505820D1 (de) 1998-12-10
CA2185013A1 (en) 1996-02-01
JP3800345B2 (ja) 2006-07-26
AU3113995A (en) 1996-02-16
DK0771365T3 (da) 1999-07-19
KR100343309B1 (ko) 2002-11-25
DE69505820T2 (de) 1999-07-08
FI114400B (fi) 2004-10-15
CA2185013C (en) 2006-08-29
PL318133A1 (en) 1997-05-12
CZ287825B6 (en) 2001-02-14

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