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WO2017181351A1 - Alliages d'aluminium à haute résistance pour coulée par gravité et coulée sous pression à basse pression - Google Patents

Alliages d'aluminium à haute résistance pour coulée par gravité et coulée sous pression à basse pression Download PDF

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Publication number
WO2017181351A1
WO2017181351A1 PCT/CN2016/079695 CN2016079695W WO2017181351A1 WO 2017181351 A1 WO2017181351 A1 WO 2017181351A1 CN 2016079695 W CN2016079695 W CN 2016079695W WO 2017181351 A1 WO2017181351 A1 WO 2017181351A1
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WO
WIPO (PCT)
Prior art keywords
equal
less
casting
aluminum
lightweight
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.)
Ceased
Application number
PCT/CN2016/079695
Other languages
English (en)
Inventor
Bin Hu
Pan WANG
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.)
GM Global Technology Operations LLC
Original Assignee
GM Global Technology Operations LLC
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 GM Global Technology Operations LLC filed Critical GM Global Technology Operations LLC
Priority to PCT/CN2016/079695 priority Critical patent/WO2017181351A1/fr
Priority to DE112016006624.4T priority patent/DE112016006624T5/de
Priority to CN201680083371.8A priority patent/CN108699640A/zh
Priority to US16/092,355 priority patent/US20190118251A1/en
Publication of WO2017181351A1 publication Critical patent/WO2017181351A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
    • B22D21/002—Castings of light metals
    • B22D21/007—Castings of light metals with low melting point, e.g. Al 659 degrees C, Mg 650 degrees C
    • 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
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
    • 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
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
    • C22C21/04—Modified aluminium-silicon alloys
    • 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
    • C22F1/043—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 of alloys with silicon as the next major constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor

Definitions

  • the present disclosure provides a method of forming a lightweight, high-strength cast structural component comprising casting an aluminum-based alloy.
  • the aluminum-based alloy has a composition comprising silicon at greater than or equal to about 4 to less than or equal to about 7 wt. %; iron at less than or equal to about 0.15 wt. %; manganese at less than about 0.5 wt. %; chromium at greater than or equal to about 0.15 to less than or equal to about 0.5 wt. %; magnesium at less than or equal to about 0.8 wt. %; zinc at less than or equal to about 0.01 wt. %; titanium at greater than or equal to about 0.05 to less than or equal to about 0.15 wt.
  • the lightweight, high-strength cast structural component may have a yield strength of greater than or equal to about 270 to less than or equal to about 300 MPa.
  • the lightweight, high-strength cast structural component may have an elongation of greater than or equal to about 7%, and, more preferably, greater than or equal to about 9%.
  • the casting may be produced by low-pressure die casting or gravity casting processes.
  • the lightweight, high-strength cast structural component may be heat treated after casting.
  • the present disclosure provides a method of forming a lightweight, high-strength cast structural component comprising an aluminum-based alloy is formed from a casting by low-pressure die casting.
  • the alloy material has a composition comprising silicon at greater than or equal to about 4 to less than or equal to about 7 wt. %; iron at less than or equal to about 0.15 wt. %; manganese at less than or equal to about 0.5 wt. %; chromium at greater than or equal to about 0.15 to less than or equal to about 0.5 wt. %; magnesium at less than or equal to about 0.8 wt. %; zinc at less than or equal to about 0.01 wt.
  • the magnesium is present in an amount of greater than or equal to about 0.1 to less than or equal to about 0.5 wt. %and the strontium is present in an amount of greater than or equal to about 0.01 to less than or equal to about 0.015 wt. %. In yet other embodiments, the magnesium is present in an amount of from greater than or equal to about 0.1 to less than or equal to about 0.3 wt. %; the phosphorus is present in an amount of less than or equal to about 0.001 wt. %; and the strontium is present in an amount of less than or equal to about 0.005 wt.
  • the cast structural component is lightweight. More specifically, the aluminum-based alloy material having compositions according to the present disclosure is on average about 5 to about 10%lighter than a similar structural component cast of a conventional aluminum alloy, such as A356.
  • A356 includes copper at less than or equal to about 0.05 wt. %; silicon at from greater than or equal to about 6.5 to less than or equal to about 7.5 wt. %; magnesium at from greater than or equal to about 0.3 to less than or equal to about 0.45 wt. %; manganese at less than or equal to about 0.05 wt. %; titanium at from greater than or equal to about 0.04 to less than or equal to about 0.15 wt.
  • the casting is further subject to T6 heat treatment at 330 to provide a lightweight, high-strength cast structural component according to the present disclosure. More specifically, the casting is subject to a solution heat treatment wherein the casting is heated to from greater than or equal to about 535°C to less than or equal to about 545°C for a period of less than or equal to about eight hours. After providing the solution heat treatment, hot water quenching at from greater than or equal to about 70°C to less than or equal to about 90°C is then provided to the casting to rapidly cool the casting.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Body Structure For Vehicles (AREA)
  • Continuous Casting (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

L'invention concerne des procédés de coulée d'éléments structurels coulés en aluminium, à haute résistance et à poids léger, la coulée étant réalisée par coulée par gravité ou coulée sous pression à basse pression. L'élément structurel coulé en aluminium est de préférence composé d'un alliage à base d'aluminium comprenant : silicium entre ≥ environ 4 et ≤ environ 7 % en poids ; fer ≤ environ 0,15 % en poids ; manganèse ≤ environ 0,5 % en poids ; chrome entre ≥ environ 0,15 et ≤ environ 0,5 % en poids ; magnésium ≤ environ 0,8 % en poids ; zinc ≤ environ 0,01 % en poids ; titane entre ≥ environ 0,05 et ≤ environ 0,15 % en poids ; phosphore ≤ environ 0,003 % en poids ; strontium ≤ environ 0,015 % en poids, et le reste étant de l'aluminium.
PCT/CN2016/079695 2016-04-20 2016-04-20 Alliages d'aluminium à haute résistance pour coulée par gravité et coulée sous pression à basse pression Ceased WO2017181351A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/CN2016/079695 WO2017181351A1 (fr) 2016-04-20 2016-04-20 Alliages d'aluminium à haute résistance pour coulée par gravité et coulée sous pression à basse pression
DE112016006624.4T DE112016006624T5 (de) 2016-04-20 2016-04-20 Hochfeste aluminiumlegierungen für niederdruckguss und schwerkraftguss
CN201680083371.8A CN108699640A (zh) 2016-04-20 2016-04-20 用于低压压铸和重力铸造的高强度铝合金
US16/092,355 US20190118251A1 (en) 2016-04-20 2016-04-20 High strength aluminum alloys for low pressure die casting and gravity casting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/079695 WO2017181351A1 (fr) 2016-04-20 2016-04-20 Alliages d'aluminium à haute résistance pour coulée par gravité et coulée sous pression à basse pression

Publications (1)

Publication Number Publication Date
WO2017181351A1 true WO2017181351A1 (fr) 2017-10-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/079695 Ceased WO2017181351A1 (fr) 2016-04-20 2016-04-20 Alliages d'aluminium à haute résistance pour coulée par gravité et coulée sous pression à basse pression

Country Status (4)

Country Link
US (1) US20190118251A1 (fr)
CN (1) CN108699640A (fr)
DE (1) DE112016006624T5 (fr)
WO (1) WO2017181351A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10927436B2 (en) 2017-03-09 2021-02-23 GM Global Technology Operations LLC Aluminum alloys

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107586939A (zh) * 2017-09-13 2018-01-16 中信戴卡股份有限公司 一种用于铝合金铸旋车轮的热处理方法
CN112553510A (zh) * 2020-11-30 2021-03-26 华南理工大学 一种微合金化压铸铝硅合金及其制备方法
EP4101941A1 (fr) 2021-06-07 2022-12-14 Dubai Aluminium PJSC Alliage de moulage aluminium-silicium et pièces moulées fabriquées à partir dudit alliage
CN117187631A (zh) 2022-05-31 2023-12-08 通用汽车环球科技运作有限责任公司 包括可回收铸造铝合金组件的车辆和由回收的车辆组件制造铝合金组件的方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001288547A (ja) * 2000-04-03 2001-10-19 Nissan Motor Co Ltd アルミニウム合金鋳物部品およびその製造方法
US6669792B2 (en) * 1998-09-08 2003-12-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Process for producing a cast article from a hypereutectic aluminum-silicon alloy
JP2012087352A (ja) * 2010-10-19 2012-05-10 Ryobi Ltd マグネシウム合金鋳造品の製造方法
US20150315688A1 (en) * 2014-04-30 2015-11-05 GM Global Technology Operations LLC Cast aluminum alloy components
WO2016015711A1 (fr) * 2014-07-29 2016-02-04 Ksm Castings Group Gmbh Alliage de fonderie à l'aluminium

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6669792B2 (en) * 1998-09-08 2003-12-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Process for producing a cast article from a hypereutectic aluminum-silicon alloy
JP2001288547A (ja) * 2000-04-03 2001-10-19 Nissan Motor Co Ltd アルミニウム合金鋳物部品およびその製造方法
JP2012087352A (ja) * 2010-10-19 2012-05-10 Ryobi Ltd マグネシウム合金鋳造品の製造方法
US20150315688A1 (en) * 2014-04-30 2015-11-05 GM Global Technology Operations LLC Cast aluminum alloy components
WO2016015711A1 (fr) * 2014-07-29 2016-02-04 Ksm Castings Group Gmbh Alliage de fonderie à l'aluminium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10927436B2 (en) 2017-03-09 2021-02-23 GM Global Technology Operations LLC Aluminum alloys

Also Published As

Publication number Publication date
US20190118251A1 (en) 2019-04-25
DE112016006624T5 (de) 2018-12-06
CN108699640A (zh) 2018-10-23

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