US20080240976A1 - Extrusion product made of aluminum/aluminum alloy matrix composite and a process of forming the extrusion product - Google Patents

Extrusion product made of aluminum/aluminum alloy matrix composite and a process of forming the extrusion product Download PDF

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Publication number
US20080240976A1
US20080240976A1 US11/948,314 US94831407A US2008240976A1 US 20080240976 A1 US20080240976 A1 US 20080240976A1 US 94831407 A US94831407 A US 94831407A US 2008240976 A1 US2008240976 A1 US 2008240976A1
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aluminum alloys
core
series
covering
extrusion product
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Abandoned
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US11/948,314
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English (en)
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Chih-Cheng Chen
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Individual
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Individual
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon

Definitions

  • the present invention relates to an extrusion product made of aluminum/aluminum alloy matrix composite and a process of forming the extrusion product, and more particularly to an extrusion product made of more than two different kinds of aluminum alloys.
  • Aluminum alloys are widely used as raw materials for such as extrusions.
  • an aluminum alloy is formed into a cylinder billet with a certain height. Then the aluminum billet is heated to be deformable. At last the aluminum billet is extruded to form the extrusion product such as bar, rod, tube, plate, profile.
  • a conventional aluminum extrusion product is made by only single series of aluminum alloy.
  • Each aluminum alloy has its own nature property so the application of each conventional aluminum extrusion product is limited by the nature of the aluminum alloy property.
  • some aluminum alloys have a low tensile strength but have good anti-corrosion while some aluminum alloys have worse anti-corrosion feature with a high tensile strength. Therefore, some conventional aluminum extrusion products are corrosion-resisting but insufficient for strength support while some conventional aluminum extrusion products are well strength supported but are easy to be corroded.
  • the conventional aluminum extrusion products are made of aluminum alloy with high tensile strength. Then a shell surface film layer made of anti-corrosion material is electroplated anodized on or is coated on the conventional aluminum extrusion product.
  • the layer will not stay attached to the aluminum alloy for an extended period because the layer and the conventional aluminum extrusion products are made of two different materials. Therefore, the surface layer will not stay attached to the conventional aluminum extrusion product for an extended period.
  • the problem that the conventional aluminum extrusion products do not have both good anti-corrosion and high tensile strength is not solved.
  • the invention provides an extrusion material made of matrix composite aluminum alloys to mitigate or obviate the aforementioned problems.
  • the main objective of the present invention is to provide an extrusion product made of matrix composite aluminum alloys that have multiple characters.
  • FIG. 1 is a block diagram of manufacturing acts of an extrusion product made of matrix composite aluminum alloys in accordance with the present invention
  • FIG. 2 is operational perspective views of a core and a covering for an aluminum billet in accordance with the present invention
  • FIG. 3 is a perspective view of an extrusion product made of matrix composite aluminum alloys in accordance with the present invention.
  • FIG. 4 is a cross-sectional end view of another embodiment of an extrusion product made of matrix composite aluminum alloys in accordance with the present invention.
  • an extrusion product such as a solid extrusion bar, made of matrix composite aluminum alloys in accordance with the present invention has producing procedure as follows:
  • At least two different aluminum alloys are selected from any of the aluminum alloys such as 5 series or 7 series of the AA standard that are formulated by The American Aluminum Association Inc.
  • the aluminum alloy such as 5051, 5052, 5056, 5083, 5086, 5456 from the 5 series comprises Al, Mg, etc. that has excellent anti-corrosion in marine or industrial environments and good welding features.
  • the aluminum alloy such as 7001, 7005, 7046, 7050, 7055, 7075 from the 7 series comprises Al, Zn, Mg, Cu, etc, offers the superior tensile strength.
  • the 7075 aluminum alloy has a 150 kg/mm 2 fatigue strength, a 34.0 kg/mm 2 shearing strength and a 58.5 kg/mm 2 ultimate tensile strength;
  • One of the at least two aluminum alloys is selected to be a core
  • One of the at least two aluminum alloys is selected to be a hollow covering.
  • the covering ( 11 ) is mounted around the core ( 10 ) to be a cylindrical billet ( 1 );
  • the cylinder billet ( 1 ) is heated to be deformable.
  • the deformable billet ( 1 ) is extruded to become an extrusion bar ( 2 ).
  • the extrusion bar ( 2 ) is solid and has a core ( 20 ) and at least one covering ( 21 ) mounted around the core ( 20 ).
  • the material of the covering ( 21 ) is different from the material of the core ( 20 ).
  • the extrusion bar ( 2 ′) has more than two coverings ( 21 ′, 22 ′, 23 ′), the adjacent coverings ( 21 ′, 22 ′, 23 ′) are made of different aluminum alloys.
  • the core ( 20 ) and the covering ( 21 ) may be made of different aluminum alloys selected from different series. For instance, when the material of the covering ( 21 ) is selected from 7 series, the material of the core ( 20 ) is selected from 5 series. Hence, the mechanical property of the extrusion bar ( 2 ) has a feature of good anti-corrosion inner and a high tensile strength outer. When the material of the covering ( 21 ) is selected from 5 series, the material of the core ( 20 ) is selected from 7 series. Hence, the mechanical property of the extrusion bar ( 2 ) has a feature of high tensile strength inner and a good anti-corrosion outer.
  • the material of the core ( 20 ′) and the material of the adjacent covering ( 21 ′) may be selected from different series.
  • the materials of the adjacent coverings ( 21 ′, 22 ′, 23 ′) may also be different aluminum alloys selected from the same series or the different series.
  • the materials and the thickness of the coverings ( 21 ′, 22 ′, 23 ′) and the core ( 20 ′) is dependent on the required character of the extrusion bar ( 2 ′).
  • the extrusion product made of matrix composite aluminum alloys as described enables more than two different aluminum alloys to form a billet and then the billet is extruded to become the extrusion product.
  • the billet comprises a core and at least one covering mounted around the core. Because the core and the at least one covering have a small height and a large diameter, the core is easy to be inserted into the at least one covering. Furthermore, the materials of the core and the at least one covering are aluminum alloys. The core and the at least one covering is securely bonded together after heating and extruding because the fusion affect between the aluminum alloys
  • the aluminum alloys selected from 5 series and 7 series both comprise Al and Mg, so the compositions of the aluminum alloys are similar.
  • Using the two series aluminum alloys makes a billet with matrix composite aluminum alloys. The billet is heated to be deformable. Then the deformable billet is extruded to become an extrusion product. Because the compositions of a core and a covering of the extrusion product are similar, the fusion effect between the aluminum alloys is much more effective. Moreover, the extrusion product has both excellent anti-corrosion and superior tensile strength.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Extrusion Of Metal (AREA)
  • Laminated Bodies (AREA)
US11/948,314 2006-12-13 2007-11-30 Extrusion product made of aluminum/aluminum alloy matrix composite and a process of forming the extrusion product Abandoned US20080240976A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW095146624A TW200824810A (en) 2006-12-13 2006-12-13 Process for fabricating extruded parts made of aluminum composite materials and extruded parts made by same
TW095146624 2006-12-13

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US20080240976A1 true US20080240976A1 (en) 2008-10-02

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US (1) US20080240976A1 (enExample)
TW (1) TW200824810A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106521265A (zh) * 2016-11-17 2017-03-22 广西大学 5086铝合金扁锭的制造工艺
CN114433761A (zh) * 2022-01-26 2022-05-06 太原理工大学 一种挤压成形带加强内筋的钛/铝复合筒形件及其成形工艺

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109334413A (zh) * 2018-08-21 2019-02-15 靖江市新程汽车零部件有限公司 轿车前后门新型防撞杆

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054176A (en) * 1959-07-06 1962-09-18 Reynolds Metals Co Forming system
US3469952A (en) * 1967-03-14 1969-09-30 Reynolds Metals Co Composite metallic articles
US3646796A (en) * 1968-09-28 1972-03-07 Hitachi Cable A process for the manufacturing of composite metal wire
US3789497A (en) * 1972-09-29 1974-02-05 Aluminum Co Of America Method of producing composite metal article
US4040162A (en) * 1973-09-17 1977-08-09 Aisin Seiki Kabushiki Kaisha Method of producing composite extruded aluminum products from aluminum swarf
US4291644A (en) * 1977-08-31 1981-09-29 Hitachi Cable Ltd. Apparatus for fabricating composite metal wire
US4631236A (en) * 1984-02-23 1986-12-23 Swiss Aluminium Ltd. Process for manufacturing a device and extrusion billet for this
US4828937A (en) * 1986-01-31 1989-05-09 Showa Aluminum Corporation Process for producing hollow extrudate for use in vacuum
US5240067A (en) * 1992-01-08 1993-08-31 Reynolds Metals Company Method and apparatus for continuous molten material cladding of extruded products
US5286577A (en) * 1990-07-23 1994-02-15 Aluminum Company Of America Drawn conductors for cryogenic applications
US6050301A (en) * 1997-07-23 2000-04-18 The Furukawa Electric Co., Ltd. Al alloy composite tube for refrigerant passages and method for producing the same
US6316126B1 (en) * 1999-02-23 2001-11-13 Denso Corporation Aluminum alloy clad material for heat exchangers exhibiting excellent erosion-corrosion resistance
US20060118213A1 (en) * 2004-10-27 2006-06-08 Frank Eberl Monolithic and bi-functional extruded structural element
US20060118282A1 (en) * 2004-12-03 2006-06-08 Baolute Ren Heat exchanger tubing by continuous extrusion

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054176A (en) * 1959-07-06 1962-09-18 Reynolds Metals Co Forming system
US3469952A (en) * 1967-03-14 1969-09-30 Reynolds Metals Co Composite metallic articles
US3646796A (en) * 1968-09-28 1972-03-07 Hitachi Cable A process for the manufacturing of composite metal wire
US3789497A (en) * 1972-09-29 1974-02-05 Aluminum Co Of America Method of producing composite metal article
US4040162A (en) * 1973-09-17 1977-08-09 Aisin Seiki Kabushiki Kaisha Method of producing composite extruded aluminum products from aluminum swarf
US4291644A (en) * 1977-08-31 1981-09-29 Hitachi Cable Ltd. Apparatus for fabricating composite metal wire
US4631236A (en) * 1984-02-23 1986-12-23 Swiss Aluminium Ltd. Process for manufacturing a device and extrusion billet for this
US4828937A (en) * 1986-01-31 1989-05-09 Showa Aluminum Corporation Process for producing hollow extrudate for use in vacuum
US5286577A (en) * 1990-07-23 1994-02-15 Aluminum Company Of America Drawn conductors for cryogenic applications
US5240067A (en) * 1992-01-08 1993-08-31 Reynolds Metals Company Method and apparatus for continuous molten material cladding of extruded products
US6050301A (en) * 1997-07-23 2000-04-18 The Furukawa Electric Co., Ltd. Al alloy composite tube for refrigerant passages and method for producing the same
US6316126B1 (en) * 1999-02-23 2001-11-13 Denso Corporation Aluminum alloy clad material for heat exchangers exhibiting excellent erosion-corrosion resistance
US20060118213A1 (en) * 2004-10-27 2006-06-08 Frank Eberl Monolithic and bi-functional extruded structural element
US20060118282A1 (en) * 2004-12-03 2006-06-08 Baolute Ren Heat exchanger tubing by continuous extrusion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106521265A (zh) * 2016-11-17 2017-03-22 广西大学 5086铝合金扁锭的制造工艺
CN114433761A (zh) * 2022-01-26 2022-05-06 太原理工大学 一种挤压成形带加强内筋的钛/铝复合筒形件及其成形工艺

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TW200824810A (en) 2008-06-16

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