EP3159422A1 - Alliage d'aluminium pour moulage sous pression - Google Patents

Alliage d'aluminium pour moulage sous pression Download PDF

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Publication number
EP3159422A1
EP3159422A1 EP16165977.6A EP16165977A EP3159422A1 EP 3159422 A1 EP3159422 A1 EP 3159422A1 EP 16165977 A EP16165977 A EP 16165977A EP 3159422 A1 EP3159422 A1 EP 3159422A1
Authority
EP
European Patent Office
Prior art keywords
weight
alloy
alloy according
die casting
casting alloy
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.)
Granted
Application number
EP16165977.6A
Other languages
German (de)
English (en)
Other versions
EP3159422B1 (fr
Inventor
Stuart Wiesner
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.)
Rheinfelden Alloys GmbH and Co KG
Original Assignee
Rheinfelden Alloys GmbH and Co KG
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
Priority to EP16165977.6A priority Critical patent/EP3159422B1/fr
Application filed by Rheinfelden Alloys GmbH and Co KG filed Critical Rheinfelden Alloys GmbH and Co KG
Priority to ES16165977.6T priority patent/ES2684614T3/es
Priority to US16/094,309 priority patent/US10669615B2/en
Priority to MX2018012787A priority patent/MX2018012787A/es
Priority to CA3021123A priority patent/CA3021123C/fr
Priority to PCT/EP2016/059722 priority patent/WO2017182101A1/fr
Priority to CN201680084624.3A priority patent/CN109072356B/zh
Priority to KR1020187030923A priority patent/KR101971846B1/ko
Publication of EP3159422A1 publication Critical patent/EP3159422A1/fr
Application granted granted Critical
Publication of EP3159422B1 publication Critical patent/EP3159422B1/fr
Active legal-status Critical Current
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
    • C22C21/00—Alloys based on aluminium
    • C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
    • C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
    • 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
    • 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
    • C22F1/047—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 magnesium as the next major constituent
    • 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
    • C22F1/05—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 of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions

Definitions

  • the invention relates to a die casting alloy based on aluminum, magnesium and silicon, in particular for use in light vehicle structural parts.
  • the disclosed alloy is an aluminum, magnesium, silicon alloy, which is comparable to the reference alloy mentioned in the exemplary embodiments. This alloy has been produced by the Applicant for many years and used in the automotive industry.
  • the Mg 2 Al 3 eutectic is about 35% Mg.
  • the alloy according to the invention as well as in the case of the alloy according to FIG EP 0853133B1
  • there is a Mg 2 Si eutectic which makes up about 50% of the cast structure. This is fundamentally different from binary AlMg alloys.
  • Another alloy composition attributable to the prior art of the alloy according to the invention is hydroaluminum. It is an alloy based on aluminum and magnesium, which i.a. used for cylinder heads.
  • the alloy according to the invention takes account of the ever increasing demands for lightweight construction in the automotive industry.
  • the use of a material with higher strength allows the designer to realize thinner-walled and thus lighter structures. In this way, a further step towards low fuel consumption in the automobile can be realized.
  • the alloy according to the invention is fundamentally versatile, but is intended for use in structural components in the automotive industry. Crash-relevant structural components can be manufactured with it, whereby rather a Cu and Zn-free variant is selected entirely without or with a T5 heat treatment.
  • Another area of application includes battery-carrying structures in the e-mobile sector. This application is looking for high-strength materials to save weight. The riveting ability of the material is less important in this application because the components are removable and therefore bolted. Also of subordinate relevance, in comparison to crash-relevant components, is the deformability of the material. In this field of application, therefore, an alloy variant with copper (Cu) or zinc (Zn) is used, which can be used already in the cast state or in the heat-treated state.
  • Cu copper
  • Zn zinc
  • the mentioned objects are achieved by a diecasting alloy based on aluminum-magnesium-silicon, consisting of: Magnesium (Mg) 5.0-7.0% by weight Silicon (Si) 1.5-4.0% by weight Iron (Fe) 0.03-0.5% by weight Manganese (Mn) 0.3-0.8% by weight Zircon (Zr) 0.01-0.4% by weight Molybdenum (Mo) 0.01-0.4% by weight Vanadium (V) 0.01-0.03% by weight Beryllium (Be) 0.001-0.005% by weight Titanium (Ti) 0 - 0.1% by weight Strontium (Sr) 0 - 0.1% by weight Phosphorus (P) 0-250 ppm Copper (Cu) to 0 - 4% by weight Zinc (Zn) to 0-10% by weight
  • the alloy according to the invention contains 0.05 to 0.20% by weight of molybdenum.
  • the alloy according to the invention contains 0.05 to 0.20% by weight of zirconium.
  • the alloy according to the invention contains 2.0 to 3.0% by weight of silicon.
  • the alloy according to the invention contains 5.5 to 6.5% by weight of magnesium.
  • the alloy according to the invention contains 0-0.08% by weight of titanium.
  • the alloy according to the invention contains 0.05 to 0.2% by weight of iron.
  • the alloy according to the invention contains 0-0.2% by weight of copper.
  • the alloy according to the invention contains 0-0.5% by weight of zinc.
  • the alloy according to the invention contains 0-0.01% by weight of strontium.
  • structural components are pressure-cast from the alloy according to the invention.
  • Mg and Si were varied to find a suitable MgSi ratio for the increased requirements.
  • An increase of Mg causes an increase in strength, whereby from 6.5% with a noticeable reduction of the elongation at break must be expected.
  • the additional increase of Si leads to an increase of the eutectic portion of the alloy, which does not show any technical advantages. From a Mg: Si ratio of 2: 1, there is a significant loss in the elongation at break.
  • Titanium and zirconium are known as grain refiners. Overall, the interaction of said elements represents an important basis for the alloy according to the invention.
  • the strength-increasing effect compared to the comparison alloy EP 0 853 133 B1 is achieved in particular by refractory phases, which are formed by the elements Mo and Zr in connection with V and Ti.
  • refractory phases which are formed by the elements Mo and Zr in connection with V and Ti.
  • these phases precipitate out of the melt, either during the production of the alloy or during the casting process.
  • they are the first to solidify during casting, in order to achieve a fine microstructure and consequently good material properties. It is preferable to keep the titanium content between 0-0.08% by weight.
  • the alloy according to the invention has been developed ostensibly for die-casting and for the typical solidification conditions prevailing there.
  • the size and extent of high-melting phases is always dependent on the solidification conditions.
  • the solidification usually begins in the casting chamber, continues during the mold filling and often ends in thick-walled areas only after the component removal.
  • One embodiment of the alloy according to the invention provides for the addition of secondary aluminum in the form of recycled material.
  • the proportion of secondary aluminum should be 50% of the aluminum base alloy required for the production of the alloy.
  • Recylingmaterial are for example to understand: wheels, extruded profiles, sheets and chips made of aluminum alloys.
  • the alloy composition according to the invention it is possible to meet the requirements for crash-relevant structural components up to an iron content of 0.20% by weight; above 0.20% by weight iron permits use in the area of structural components relevant to strength.
  • the slightly increased iron content is taken into account by reducing the manganese content.
  • the risk of sludge formation in the holding furnace of the casting machine can be counteracted in this way.
  • the sticking tendency of the alloy in the casting mold nevertheless decreases, since iron as well as manganese act positively and the reduction of Mn is overcompensated by the Fe content.
  • the MnFe ratio avoids the formation of so-called beta phases, ie plate-shaped AlMnFeSi precipitates, which decisively reduce the ductility of the material.
  • Such excretions are known under the microscope as so-called iron needles.
  • a salt spray change test (ISO 9227) and an intercrystalline corrosion test (ASTM G110-92) were used to verify the corrosion tendency.
  • the composition The alloy according to the invention is chosen so that in the case of Cu and Znarmen variant a very good corrosion resistance can be determined.
  • the alloy according to the invention was rivet free of cracks despite its high strength.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Forging (AREA)
  • Body Structure For Vehicles (AREA)
  • Extrusion Of Metal (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Conductive Materials (AREA)
EP16165977.6A 2016-04-19 2016-04-19 Alliage d'aluminium pour moulage sous pression Active EP3159422B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
ES16165977.6T ES2684614T3 (es) 2016-04-19 2016-04-19 Aleación para el moldeo a presión
EP16165977.6A EP3159422B1 (fr) 2016-04-19 2016-04-19 Alliage d'aluminium pour moulage sous pression
MX2018012787A MX2018012787A (es) 2016-04-19 2016-05-02 Aleacion para vaciado a presion.
CA3021123A CA3021123C (fr) 2016-04-19 2016-05-02 Alliage de coulee sous pression
US16/094,309 US10669615B2 (en) 2016-04-19 2016-05-02 Alloy for pressure die-casting
PCT/EP2016/059722 WO2017182101A1 (fr) 2016-04-19 2016-05-02 Alliage de coulée sous pression
CN201680084624.3A CN109072356B (zh) 2016-04-19 2016-05-02 压铸合金
KR1020187030923A KR101971846B1 (ko) 2016-04-19 2016-05-02 다이 캐스팅 합금

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16165977.6A EP3159422B1 (fr) 2016-04-19 2016-04-19 Alliage d'aluminium pour moulage sous pression

Publications (2)

Publication Number Publication Date
EP3159422A1 true EP3159422A1 (fr) 2017-04-26
EP3159422B1 EP3159422B1 (fr) 2018-06-13

Family

ID=55794877

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16165977.6A Active EP3159422B1 (fr) 2016-04-19 2016-04-19 Alliage d'aluminium pour moulage sous pression

Country Status (8)

Country Link
US (1) US10669615B2 (fr)
EP (1) EP3159422B1 (fr)
KR (1) KR101971846B1 (fr)
CN (1) CN109072356B (fr)
CA (1) CA3021123C (fr)
ES (1) ES2684614T3 (fr)
MX (1) MX2018012787A (fr)
WO (1) WO2017182101A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3954797A4 (fr) * 2019-04-12 2022-06-01 BYD Company Limited Alliage d'aluminium coulé sous pression, son procédé de préparation et son application
EP4194575A1 (fr) 2021-12-10 2023-06-14 Aluminium Rheinfelden Alloys GmbH Ajout de calcium et de vanadium à des alliages almg

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110129637A (zh) * 2019-05-06 2019-08-16 华为技术有限公司 压铸铝合金及其制备方法和通讯产品结构件
KR102285860B1 (ko) * 2019-07-19 2021-08-04 주식회사 에프티넷 고인성 주조용 알루미늄 합금 및 그 제조방법
RU2726520C1 (ru) * 2019-09-03 2020-07-14 федеральное государственное автономное образовательное учреждение высшего образования "Самарский национальный исследовательский университет имени академика С.П. Королёва" Свариваемый термически не упрочняемый сплав на основе системы Al-Mg
US11646757B2 (en) * 2019-11-01 2023-05-09 Skyworks Solutions, Inc. Notch filters for selective emissions suppression
KR102364642B1 (ko) * 2020-02-06 2022-02-18 주식회사 에스피텍 실리콘과 아연이 첨가된 고강도 다이캐스팅용 알루미늄 합금 및 그 제조방법
CN111519071A (zh) * 2020-05-12 2020-08-11 深圳星富丽实业发展有限责任公司 一种超短时效特性显著的新型高强韧压铸铝合金及其制备方法
CN111607725A (zh) * 2020-07-17 2020-09-01 山西瑞格金属新材料有限公司 一种高韧性耐腐蚀铝合金及其热处理方式
KR102539804B1 (ko) * 2020-10-27 2023-06-07 한국생산기술연구원 알루미늄 합금 및 이의 제조방법
WO2022139007A1 (fr) * 2020-12-22 2022-06-30 주식회사 에프티넷 Alliage d'aluminium pour coulée à ténacité élevée et son procédé de fabrication

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0853133B1 (fr) 1994-11-15 2001-05-23 ALUMINIUM RHEINFELDEN GmbH Utilisation d'un alliage d'aluminium pour moulage sous pression
WO2006122341A2 (fr) * 2005-05-19 2006-11-23 Aluminium Lend Gmbh & Co Kg Alliage d'aluminium
DE10352932B4 (de) 2003-11-11 2007-05-24 Eads Deutschland Gmbh Aluminium-Gusslegierung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60231046D1 (de) * 2001-07-25 2009-03-19 Showa Denko Kk Aluminiumlegierung mit hervorragender zerspanbarkeit und aluminiumlegierungsmaterial und herstellungsverfahren dafür
FR2833616B1 (fr) * 2001-12-17 2004-07-30 Pechiney Aluminium Piece coulee sous pression en alliage d'aluminium a haute ductilite et resilience
DE502006000145D1 (de) * 2005-08-22 2007-11-29 Rheinfelden Aluminium Gmbh Warmfeste Aluminiumlegierung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0853133B1 (fr) 1994-11-15 2001-05-23 ALUMINIUM RHEINFELDEN GmbH Utilisation d'un alliage d'aluminium pour moulage sous pression
DE10352932B4 (de) 2003-11-11 2007-05-24 Eads Deutschland Gmbh Aluminium-Gusslegierung
WO2006122341A2 (fr) * 2005-05-19 2006-11-23 Aluminium Lend Gmbh & Co Kg Alliage d'aluminium

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3954797A4 (fr) * 2019-04-12 2022-06-01 BYD Company Limited Alliage d'aluminium coulé sous pression, son procédé de préparation et son application
EP4194575A1 (fr) 2021-12-10 2023-06-14 Aluminium Rheinfelden Alloys GmbH Ajout de calcium et de vanadium à des alliages almg
WO2023104652A1 (fr) 2021-12-10 2023-06-15 Aluminium Rheinfelden Alloys Gmbh Addition de calcium et de vanadium à des alliages almg

Also Published As

Publication number Publication date
EP3159422B1 (fr) 2018-06-13
CN109072356B (zh) 2021-07-30
US10669615B2 (en) 2020-06-02
CA3021123C (fr) 2019-06-25
KR20180126559A (ko) 2018-11-27
US20190136350A1 (en) 2019-05-09
MX2018012787A (es) 2019-06-17
CN109072356A (zh) 2018-12-21
CA3021123A1 (fr) 2017-10-26
KR101971846B1 (ko) 2019-04-23
ES2684614T3 (es) 2018-10-03
WO2017182101A1 (fr) 2017-10-26

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