US3567436A - Compression resistant zinc base alloy - Google Patents

Compression resistant zinc base alloy Download PDF

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Publication number
US3567436A
US3567436A US724376A US3567436DA US3567436A US 3567436 A US3567436 A US 3567436A US 724376 A US724376 A US 724376A US 3567436D A US3567436D A US 3567436DA US 3567436 A US3567436 A US 3567436A
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Prior art keywords
base alloy
zinc base
zinc
compression resistant
compression
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Expired - Lifetime
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US724376A
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English (en)
Inventor
Takehiro Isobe
Hisanori Iga
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Nisso Kinzoku KK
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Nisso Kinzoku KK
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    • 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

  • This invention relates to an improvement in zinc base alloys, and more particularly concerns a compression resistant zinc base alloy having superior resistance properties such as 110 kg./mm. of compressive strength and 78 kg./mm. of yield point on compressive deformation.
  • Zamak 2 containing 3.5-4% of aluminium, 3.54% of copper, 0.030.06% of magnesium as a compression resistant zinc base alloy for good performance as forming die.
  • a zinc base alloy containing, by weight, 225% of aluminium, 1-10% of copper, 0.01 0.5% of magnesium, 0.02-0.15% of beryllium and 0.001-1.5% of titanium-as alloy constituents, has superior compression resistance and is suitable for casting.
  • Titanium also improves the compression resistance in cooperation with beryllium, however addition of titanium over 1.5% causes segregation.
  • Addition of aluminium in a range of 2-25% gives the most desirable compression resistance. Furthermore, from a viewpoint of compression resistance, the added amount of copper is specified in a range of 110%; contrariwise, addition of copper over 10% has a bad in fluence on the metallographic structure, for example, the grain size of the structure becomes rough and another phase sometimes occurs. 0.01% or a higher amount of magnesium acts to prevent intermetallic corrosion, however if over 0.5% thereof is added, the brittleness of the alloy is increased.
  • Magnesium may be replaced by beryllium in the extent satisfying the following equation without causing any bad effect.
  • the zinc base alloy of this invention has the following properties:
  • the melting point varies from 390540 C., in conformity with the aluminium and copper content percent.
  • a plating may be carried out as easily as the plating for a common Zinc base alloy.
  • the zine base alloy of this invention has numerous advantages, especially, kg./mm. of superior compression resistance and 78 kg./mm. of yield point on compression deformation and suitability for die-casting and gravity casting sufiicient to gain a beautiful casting surface.
  • the zinc base alloy has many uses such as shaping material, piston material, pressure instrument parts, spring boxes, machine parts, bearings and type.
  • the invention is also illustrated by the figure of the attached graphs.
  • EXAMPLE Specimens being 8 mm. in diameter and 12 mm. in height, which were made by a series of ZnAl-Cu (Mg)BeTi alloys listed in Table I, were used for a motor compression testing machine, and compressive strength and yield point of compressive deformation were measured.
  • curve B represents the known alloy Zamak 2.
  • the zinc base alloy of this invention is about 70% superior in the property to Zamak 2 which is well known as a compression resistant zinc alloy.
  • a compression resistant zinc base alloy which consists of, by weight, 2-25% of aluminum, 110% of copper, 0.010.5% of magnesium, 0.020.15% of beryllium, 0.011.5% of titanium and the balance of zinc.
  • a compression resistant zinc base alloy according to claim 1 wherein magnesium is replaced at least partially by beryllium satisfying a formula of Mg percent+ Be percentg0.03%.
  • a compression resistant zinc base alloy according to claim 1 having a compressive strength of from 70 to 110 kg./mm. and a yield point on compressive deformation of from 50 to 78 kg./mm.
  • a compression resistant zinc base alloy according to claim 1 consisting essentially of 2.0% A1, 3.0% Cu, 0.04% Mg, 0.04% Be, 0.1% 'Ti and the remainder zinc.
  • a compression resistant zinc base alloy according to claim 1 consistingessentially of 4.0% A1, 3.0% Cu, 0.04% Mg, 0.04% Be, 0.1% Ti and the remainder zinc.
  • a compression resistant zinc base alloy according to claim 1 consisting essentially of 6.0% A1, 3.0% Cu, 0.04% Mg, 0.04% Be, 0.1% Ti and the remainder zinc.
  • a compression resistant Zinc base alloy according to claim 1 consisting essentially of 10% A1, 3.0% Cu, 0.04% Mg, 0.04% Be, 0.1% Ti and the remainder zinc.
  • a compression resistant Zinc base alloy according to claim 1 cdnsisting essentially of 2.0% A1, 7.0% Cu,
  • a compression resistant zinc base alloy according to claim 1 consisting essentially of 4.0% A1, 7.0% Cu, 0.1% Mg, 01% Be, 0.3% Ti and the remainder zinc. 10.
  • a compression resistant zinc base alloy according to claim 1 consisting essentially of 6.0% A1, 7.0% Cu, 0.1% Mg, 0.1% Be, 0.3% Ti and the remainder zine.
  • a compression resistant zinc base alloy according to claim 1 consisting essentially of 10% A1, 7.0% Cu, 0.1% Mg, 0.1% Be, 0.3% Ti and the remainder zinc.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Forging (AREA)
US724376A 1967-05-11 1968-04-26 Compression resistant zinc base alloy Expired - Lifetime US3567436A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP42029543A JPS4820967B1 (ja) 1967-05-11 1967-05-11

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US3567436A true US3567436A (en) 1971-03-02

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JP (1) JPS4820967B1 (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3847556A (en) * 1971-12-07 1974-11-12 Noranda Mines Ltd Screw machining material
US4882126A (en) * 1987-07-01 1989-11-21 Mitsui Mining & Smelting Co., Ltd. High-strength zinc base alloy
US4990310A (en) * 1989-09-11 1991-02-05 General Motors Corporation Creep-resistant die cast zinc alloys
US5945066A (en) * 1997-11-20 1999-08-31 Griffin; James D. Zinc-copper based alloy and castings made therefrom
US5954897A (en) * 1994-08-18 1999-09-21 Nisso Metalochemical Co., Ltd. Die-casting aluminum base alloy for a bearing of ball joint apparatus, heat treatment thereof and ball joint apparatus using the same
US20070221631A1 (en) * 2006-03-22 2007-09-27 Ruokolainen Robert B Method for joining or repairing metal surface parts
US20140234158A1 (en) * 2008-03-24 2014-08-21 Kubota Corporation Pipe provided with corrosion prevention layer on the outside surface, process for production of the same, and process for production of alloy wires used for the corrosion prevention layer

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51102428U (ja) * 1975-02-13 1976-08-17
ZA80949B (en) * 1979-03-15 1981-02-25 Kendall & Co Insulation of pipe by multi-stage application of foam
JP2005187288A (ja) * 2003-12-26 2005-07-14 Hitachi Chem Co Ltd 金属含浸カーボン摺動材
CN112126820A (zh) * 2020-08-05 2020-12-25 百路达（厦门）工业有限公司 一种锌合金及其制造方法

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3847556A (en) * 1971-12-07 1974-11-12 Noranda Mines Ltd Screw machining material
US4882126A (en) * 1987-07-01 1989-11-21 Mitsui Mining & Smelting Co., Ltd. High-strength zinc base alloy
US4990310A (en) * 1989-09-11 1991-02-05 General Motors Corporation Creep-resistant die cast zinc alloys
US5954897A (en) * 1994-08-18 1999-09-21 Nisso Metalochemical Co., Ltd. Die-casting aluminum base alloy for a bearing of ball joint apparatus, heat treatment thereof and ball joint apparatus using the same
US5945066A (en) * 1997-11-20 1999-08-31 Griffin; James D. Zinc-copper based alloy and castings made therefrom
US20070221631A1 (en) * 2006-03-22 2007-09-27 Ruokolainen Robert B Method for joining or repairing metal surface parts
US7498543B2 (en) * 2006-03-22 2009-03-03 Gm Global Technology Operations, Inc. Method for joining or repairing metal surface parts
US20140234158A1 (en) * 2008-03-24 2014-08-21 Kubota Corporation Pipe provided with corrosion prevention layer on the outside surface, process for production of the same, and process for production of alloy wires used for the corrosion prevention layer
US9540713B2 (en) 2008-03-24 2017-01-10 Kubota Corporation Pipe provided with corrosion prevention layer on the outside surface

Also Published As

Publication number Publication date
JPS4820967B1 (ja) 1973-06-25

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