US3790373A - Alloy on aluminum-zinc-basis - Google Patents

Alloy on aluminum-zinc-basis Download PDF

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Publication number
US3790373A
US3790373A US00094938A US3790373DA US3790373A US 3790373 A US3790373 A US 3790373A US 00094938 A US00094938 A US 00094938A US 3790373D A US3790373D A US 3790373DA US 3790373 A US3790373 A US 3790373A
Authority
US
United States
Prior art keywords
aluminum
present
alloy
zinc
nickel
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
US00094938A
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English (en)
Inventor
E Pelzel
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.)
Voestalpine AG
Voest AG
Original Assignee
Voestalpine AG
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 Voestalpine AG filed Critical Voestalpine AG
Application granted granted Critical
Publication of US3790373A publication Critical patent/US3790373A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C18/00Alloys based on zinc
    • C22C18/04Alloys based on zinc with aluminium as the next major constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/10Alloys based on aluminium with zinc as the next major constituent

Definitions

  • This alloy is an excellent bearing metal by which the running characteristics are essentially improved.
  • the invention relates to an alloy on aluminum-zincbasis consisting of 38 to 75 preferably of 50 to 65 aluminum, nickel and, if desired, magnesium and copper, remainder zinc, and to a process for the production of such alloy and process for the production of shaped bodies from such alloy.
  • Such alloys are used primarily as bearing material for bearing bushings or the like, which parts are produced by casting or by appropriate shaping from rolled plates and sheets. In any case at first a casting is made whose structure is responsible to a great degree for the properties of the bearing.
  • the invention is aimed at avoiding these disadvantages and, in an alloy of the kind defined in the introductory part, resides in that the nickel content amounts to at least 0.05 and maximally corresponds to the course of the eutectic groove in the aluminum-zincnickel system, this maximum content of nickel amounting to 0.6 when 38 aluminum are present, to 1.1 when 50 aluminum are present, to 1.7 when 60 aluminum are present, to 2.4 when 70 aluminum are present, and to 2.8 when 75 aluminum are present, and progresses continuously between the given values.
  • the nickel content suggested by the invention causes in the cast product a structure without pores and of fine grain and an increase in hardness.
  • the alloy may, with advantage, contain also from 0.005 to 0.05 of magnesium, by which addition the grain is rendered even finer. Furthermore, copper may be contained in an amount of maximally 6.5 of the aluminum content. This additional'ingredient also effects an increase in hardness.
  • starting materials with a purity of at least 99.5 are used which are free from elements which form insoluble compounds with nickel, such as silicium or boron,'and from elements which crystallize primarily and in the form of needles, such as iron, manganese, titanium, vanadium, molybdenum, tungsten and carbon.
  • the magnesium may be added, suitably in the form of a pre-alloy of high specific gravity, advantageously in the form of an alloy with 5 aluminum, 3 magnesium and 92 zinc.
  • Shaped bodies produced from an alloy according to the invention may be cooled rapidly from temperatures of more than 350 C to room temperature and then be heat treated for a period of from 0.25 to 8 hours at temperatures between and 275 C. During this heat treatment pure zinc crystals will separate from the alloy in most finely distributed form so that the emergency running characteristics (running without oil) of the bearing parts produced from the alloy according to the invention are materially improved.
  • the alloy according to the invention may be hot shaped at temperatures of from 200 to 400 C but may also be cold shaped. Thus it becomes possible to produce bearing bushings with thin walls by shaping cold rolled sheets made of the alloys according to the invention.
  • Hardness as cast hardness after annealing EXAMPLE 2 Hardness as cast hardness after annealing H kp/mm H 90 lip/mm .By adding 0.03 Mg the hardness values are increased by 10 kplmm EXAMPLE 3 Bearing alloy, hot rolled at 280 C from 30 mm to 6 mm, annealed for 3 hours at C.
  • HARDNESS AS CAST H 115 kplmm hardness after annealing b.
  • the first value refers to the result when the measurement was taken parallel to the rolling direction
  • the second value refers to the result when the measurement was taken perpendicularly to the rolling direction.
  • An aluminum-zinc alloy consisting essentially of 38 to 75% aluminum
  • nickel 0.05 to 2.8% nickel, the maximum nickel content being determined by the eutectic groove in the aluminum-zincmickel system and amounting to 0.6% when 38% aluminum are present, 1.1% when 50% aluminum are present, 1.7% when 60% aluminum are present, 2.4% when, aluminum are present and 2.8% when aluminum are present, the eutectic groove progressing continuously between the given values;

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Sliding-Contact Bearings (AREA)
  • Heat Treatment Of Nonferrous Metals Or Alloys (AREA)
US00094938A 1970-02-05 1970-12-03 Alloy on aluminum-zinc-basis Expired - Lifetime US3790373A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT104570A AT294440B (de) 1970-02-05 1970-02-05 Legierung auf Aluminium-Zink-Basis sowie Verfahren zu ihrer Herstellung und Wärmebehandlung

Publications (1)

Publication Number Publication Date
US3790373A true US3790373A (en) 1974-02-05

Family

ID=3505383

Family Applications (1)

Application Number Title Priority Date Filing Date
US00094938A Expired - Lifetime US3790373A (en) 1970-02-05 1970-12-03 Alloy on aluminum-zinc-basis

Country Status (17)

Country Link
US (1) US3790373A (en:Method)
JP (1) JPS518089B1 (en:Method)
AT (1) AT294440B (en:Method)
BE (1) BE759747A (en:Method)
BR (1) BR7024871D0 (en:Method)
CH (2) CH556914A (en:Method)
DE (1) DE2055307C3 (en:Method)
DK (1) DK141373B (en:Method)
ES (1) ES386489A1 (en:Method)
FR (1) FR2080495A5 (en:Method)
GB (1) GB1326777A (en:Method)
IL (1) IL35699A (en:Method)
LU (1) LU62034A1 (en:Method)
NL (1) NL154274B (en:Method)
NO (1) NO127202B (en:Method)
SE (1) SE358903B (en:Method)
YU (1) YU34147B (en:Method)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599279A (en) * 1984-10-01 1986-07-08 Ball Corporation Zinc alloy for reducing copper-zinc diffusion
US6383657B1 (en) 2000-12-18 2002-05-07 Alltrista Zinc Products Aluminum clad zinc bimetallic coin planchet
CN101985709A (zh) * 2010-11-08 2011-03-16 西安晟金新材料科技有限公司 一种耐磨高锌铝基代青铜材料

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4578631B2 (ja) * 2000-07-03 2010-11-10 有限会社ヤブサキ自動車工業 車両の板金作業用当て金
CN117026029B (zh) * 2023-08-09 2024-03-01 仲恺农业工程学院 一种高强高阻尼铝锌双金属合金及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1788751A (en) * 1926-02-27 1931-01-13 Max Dietiker Aluminum alloy
US2280170A (en) * 1939-10-27 1942-04-21 Aluminum Co Of America Aluminum alloy
US2870008A (en) * 1954-11-18 1959-01-20 Main Alloy Company Establishme Zinc-aluminium alloys and the method for producing same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1788751A (en) * 1926-02-27 1931-01-13 Max Dietiker Aluminum alloy
US2280170A (en) * 1939-10-27 1942-04-21 Aluminum Co Of America Aluminum alloy
US2870008A (en) * 1954-11-18 1959-01-20 Main Alloy Company Establishme Zinc-aluminium alloys and the method for producing same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599279A (en) * 1984-10-01 1986-07-08 Ball Corporation Zinc alloy for reducing copper-zinc diffusion
US6383657B1 (en) 2000-12-18 2002-05-07 Alltrista Zinc Products Aluminum clad zinc bimetallic coin planchet
CN101985709A (zh) * 2010-11-08 2011-03-16 西安晟金新材料科技有限公司 一种耐磨高锌铝基代青铜材料
CN101985709B (zh) * 2010-11-08 2012-08-08 西安晟金新材料科技有限公司 一种耐磨高锌铝基代青铜材料

Also Published As

Publication number Publication date
NL7016759A (en:Method) 1971-08-09
GB1326777A (en) 1973-08-15
BR7024871D0 (pt) 1973-04-05
YU34147B (en) 1978-12-31
FR2080495A5 (en:Method) 1971-11-12
YU281570A (en) 1978-06-30
LU62034A1 (en:Method) 1971-05-10
NO127202B (en:Method) 1973-05-21
ES386489A1 (es) 1973-11-16
DK141373C (en:Method) 1980-08-18
IL35699A0 (en) 1971-01-28
BE759747A (fr) 1971-05-17
DE2055307A1 (de) 1971-08-19
CH560251A5 (en:Method) 1975-03-27
AT294440B (de) 1971-11-25
DE2055307C3 (de) 1979-11-08
SE358903B (en:Method) 1973-08-13
NL154274B (nl) 1977-08-15
IL35699A (en) 1974-01-14
JPS518089B1 (en:Method) 1976-03-13
DE2055307B2 (de) 1979-03-22
CH556914A (de) 1974-12-13
DK141373B (da) 1980-03-03

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