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WO2017148468A1 - Alliage de fonderie à l'aluminium - Google Patents

Alliage de fonderie à l'aluminium Download PDF

Info

Publication number
WO2017148468A1
WO2017148468A1 PCT/DE2017/100117 DE2017100117W WO2017148468A1 WO 2017148468 A1 WO2017148468 A1 WO 2017148468A1 DE 2017100117 W DE2017100117 W DE 2017100117W WO 2017148468 A1 WO2017148468 A1 WO 2017148468A1
Authority
WO
WIPO (PCT)
Prior art keywords
casting alloy
alloy according
content
less
casting
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/DE2017/100117
Other languages
German (de)
English (en)
Inventor
Oliver Grimm
Klaus Greven
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.)
KSM Castings Group GmbH
Original Assignee
KSM Castings Group GmbH
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 KSM Castings Group GmbH filed Critical KSM Castings Group GmbH
Priority to US16/080,829 priority Critical patent/US20190055628A1/en
Priority to JP2018546585A priority patent/JP2019512051A/ja
Priority to DE112017001083.7T priority patent/DE112017001083A5/de
Priority to CN201780014121.3A priority patent/CN108699639A/zh
Priority to EP17712001.1A priority patent/EP3423606B1/fr
Publication of WO2017148468A1 publication Critical patent/WO2017148468A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • C22C21/02—Alloys based on aluminium 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
    • 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
    • C22F1/043—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

Definitions

  • the invention relates to an aluminum casting alloy.
  • the present invention seeks to provide an improved Si-poor AI casting alloy available, which is further developed in particular with regard to their mechanical properties.
  • Impurities ⁇ 0.1% by weight
  • Such Al casting alloy is stronger, tougher and more ductile than the prior art.
  • Cu with a content of more than 0.006 wt .-%, preferably of more than 0.007 wt .-%, more preferably of more than 0.008 wt .-%, most preferably at least 0.009 wt .-% is included.
  • the alloys according to the invention may contain production-related impurities, e.g. Pb, Ni, etc., as well known to those skilled in the art.
  • Si with a content of more than 3, 1 wt .-%, preferably of more than 3.3 wt .-%, more preferably of more than 3.4 parts by weight. %, is included.
  • Si is present at a content of less than 3.7% by weight, preferably less than 3.5% by weight.
  • Si is included at a level of greater than 3.3 to less than 3.7 weight percent.
  • Si may be advantageous to include Si at a level of greater than 3.0 to less than 3.3 percent by weight.
  • Mg with a content of more than 0.40 wt .-%, preferably more than 0.50 wt .-%, particularly preferably more than 0.55 wt. %, is included.
  • Mg is present at a content of less than 0.70% by weight, preferably less than 0.60% by weight
  • Cr with a content of more than 0.10% by weight, preferably more than 0.15% by weight, particularly preferably more than 0.20% by weight. %, most preferably more than 0.25 wt .-%, is contained.
  • Cr is present at a level of at most 0.30% by weight, preferably less than 0.30% by weight.
  • Mn is present at a content of more than 0.01% by weight, preferably more than 0.02% by weight.
  • Sr is contained with a content of more than 0.015 wt .-%, preferably of more than 0.020 wt .-%.
  • Sr is contained at a content of less than 0.030 wt .-%, preferably less than 0.025 wt .-%.
  • Zr is contained with a content of more than 0.001 wt .-%.
  • Zr is present at a level of less than 0.005% by weight, preferably less than 0.004% by weight, more preferably less than 0.003% by weight.
  • Zn is contained at a content of more than 0.001 wt .-%, preferably of more than 0.002 wt .-%.
  • Zn is present at a level of less than 0.005% by weight, preferably less than 0.004% by weight.
  • impurities containing less than 0.05% by weight, preferably less than 0.035% by weight.
  • the Al casting alloy according to the invention is a low-pressure Al casting alloy.
  • the invention also relates to a method for producing a cast component from an Al casting alloy according to one of claims 1 to 22, in which the low-pressure casting method is used.
  • the Al casting alloy is a counter pressure (CPC) -AI cast alloy.
  • the invention also relates to a method for producing a cast component from an Al casting alloy according to one of claims 1 to 22, in which the low-pressure counter-pressure casting method is used.
  • the squeeze casting, the gravity die casting or die casting, in particular the thixo , Rheo- or low-pressure sand casting find application.
  • the cast components are subjected to a two-stage heat treatment, namely solution heat treatment and subsequent heat aging. It may be advantageous if the cast component is quenched in water between the two heat treatment stages.
  • the cast component after the casting process between 530 ° C and 550 ° C for 6 to 10h, preferably between 540 ° C and 550 ° C for 7 to 9 h, especially for 8 to 9h, most preferably between more than 540 ° C and 550 ° C for 7 to 9 h, in particular for 8 to 9h, solution-annealed.
  • the cast component after the casting process between 180 ° C and 210 ° C for 1 to 8h, especially for 1 to 6.5h, preferably between 180 ° C and 190 ° C for 1 to 6.5h, in particular for 4 to 6.5 hours, more preferably between 180 ° C and less than 190 ° C for 4 to 6.5 hours, especially for 5 to 6.5 hours, is tempered.
  • the invention further provides for the use of an Al casting alloy according to one of the claims or a particularly heat-treated cast component according to one of the claims for chassis parts of motor vehicles, preferably for wheel-guiding components of motor vehicles, very particularly preferably for damper stilts, wheel carriers or pivot bearings of motor vehicles.
  • the cast components have an improved strength-elongation ratio with improved structural properties.
  • the casting process allows for a one of
  • the microstructure is positively influenced in such a way that the number of internal notches, which reduce the elongation at break, is minimized as much as possible.
  • the Al casting alloy according to the invention has been found to be particularly suitable for components subject to heavy loads, such as damper stilts, wheel carriers or pivot bearings.
  • the counter-pressure die casting method (CPC method) is used.
  • Cast components according to the invention which are produced from an Al casting alloy according to one of the claims and / or according to a method according to one of the claims, are characterized by a heat treatment by a yield strength R P 0.2 of from 300 to 330 MPa, preferably of> 320 to 330 MPa, and / or an elongation at break A5 of 7 to 1 1%, preferably from 8.5 to 10%, particularly preferably from 9 to 9.5%, and / or a tensile strength R m of 350-375 MPa, preferably from > 360 -375 MPa, out.
  • the 3.4 wt .-% Si, 0.6 wt .-% Mg, 0.27 wt .-% Cr, 0.09 wt .-% Fe, 0.03 wt % Mn, 0.05% by weight of Ti, 0.009% by weight of Cu, 0.022% by weight of Sr, 0.002% by weight of Zr, 0.003% by weight of Zn and impurities of less than 0.1% by weight .-% contains, in each case to 100 wt .-% supplemented with AI, a so-called "French tension rod" according to DIN 50125 from a produced by a counter-pressure Kokilleng manvons (CPC method) pivot bearing is separated, the pivot bearing a heat treatment beforehand ( Solution annealing 540 ° C for 8h, quenching in water, heat aging 180 ° C for 6.5h).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Sliding-Contact Bearings (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Air Bags (AREA)
  • Conductive Materials (AREA)

Abstract

L'invention concerne un alliage de fonderie à l'aluminium.
PCT/DE2017/100117 2016-03-01 2017-02-16 Alliage de fonderie à l'aluminium Ceased WO2017148468A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US16/080,829 US20190055628A1 (en) 2016-03-01 2017-02-16 Al-casting alloy
JP2018546585A JP2019512051A (ja) 2016-03-01 2017-02-16 Ａｌ鋳造合金
DE112017001083.7T DE112017001083A5 (de) 2016-03-01 2017-02-16 Al-Gusslegierung
CN201780014121.3A CN108699639A (zh) 2016-03-01 2017-02-16 铸造铝合金
EP17712001.1A EP3423606B1 (fr) 2016-03-01 2017-02-16 Alliage de coulée en aluminium

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016103626 2016-03-01
DE102016103626.9 2016-03-01

Publications (1)

Publication Number Publication Date
WO2017148468A1 true WO2017148468A1 (fr) 2017-09-08

Family

ID=58360773

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2017/100117 Ceased WO2017148468A1 (fr) 2016-03-01 2017-02-16 Alliage de fonderie à l'aluminium

Country Status (6)

Country Link
US (1) US20190055628A1 (fr)
EP (1) EP3423606B1 (fr)
JP (1) JP2019512051A (fr)
CN (1) CN108699639A (fr)
DE (2) DE112017001083A5 (fr)
WO (1) WO2017148468A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113005335A (zh) * 2021-02-22 2021-06-22 李秋明 新型铝合金材料、薄壁件和金属手模
EP4101941A1 (fr) * 2021-06-07 2022-12-14 Dubai Aluminium PJSC Alliage de moulage aluminium-silicium et pièces moulées fabriquées à partir dudit alliage

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006040720A1 (de) * 2005-08-31 2007-03-01 Ksm Castings Gmbh AI-Gusslegierungen
DE102008055928A1 (de) 2007-11-08 2009-08-27 Ksm Castings Gmbh Al-Gusslegierungen
DE102012108590A1 (de) 2011-10-11 2013-04-11 Ksm Castings Group Gmbh Gussstück
DE102013108127A1 (de) 2012-08-23 2014-02-27 Ksm Castings Group Gmbh Al-Gusslegierung
DE102014101317A1 (de) 2013-02-06 2014-08-07 Ksm Castings Group Gmbh Al-Gusslegierung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2827306B1 (fr) * 2001-07-10 2004-10-22 Pechiney Aluminium Alliage d'aluminium a haute ductilite pour coulee sous pression
CN101248200A (zh) * 2005-08-31 2008-08-20 Ksm铸造有限公司 铸造铝合金
DE112008002069A5 (de) * 2007-11-08 2010-04-29 Ksm Castings Gmbh Vorderachsträger für Kraftfahrzeuge
JP6534282B2 (ja) * 2015-04-06 2019-06-26 住友化学株式会社 高純度アルミニウム粒材およびその製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006040720A1 (de) * 2005-08-31 2007-03-01 Ksm Castings Gmbh AI-Gusslegierungen
DE102008055928A1 (de) 2007-11-08 2009-08-27 Ksm Castings Gmbh Al-Gusslegierungen
DE102012108590A1 (de) 2011-10-11 2013-04-11 Ksm Castings Group Gmbh Gussstück
DE102013108127A1 (de) 2012-08-23 2014-02-27 Ksm Castings Group Gmbh Al-Gusslegierung
DE102014101317A1 (de) 2013-02-06 2014-08-07 Ksm Castings Group Gmbh Al-Gusslegierung

Also Published As

Publication number Publication date
EP3423606A1 (fr) 2019-01-09
JP2019512051A (ja) 2019-05-09
US20190055628A1 (en) 2019-02-21
CN108699639A (zh) 2018-10-23
DE102017103148A1 (de) 2017-09-07
DE112017001083A5 (de) 2018-11-22
EP3423606B1 (fr) 2020-08-05

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