EP2298947B1 - Hochfest gegossenes aluminiumlegierungsmaterial - Google Patents

Hochfest gegossenes aluminiumlegierungsmaterial Download PDF

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Publication number
EP2298947B1
EP2298947B1 EP09793824.5A EP09793824A EP2298947B1 EP 2298947 B1 EP2298947 B1 EP 2298947B1 EP 09793824 A EP09793824 A EP 09793824A EP 2298947 B1 EP2298947 B1 EP 2298947B1
Authority
EP
European Patent Office
Prior art keywords
rare earth
aluminum alloy
alloy material
strength
earth elements
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.)
Not-in-force
Application number
EP09793824.5A
Other languages
English (en)
French (fr)
Other versions
EP2298947A4 (de
EP2298947A1 (de
Inventor
Yun CHE
Jinde Lu
Zhongke Zhang
De'en Zhang
Xiaoyan Zhang
Guangpu Yan
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.)
Guizhou Academy Of Sciences
Guizhou Aluminums Factory
Guizhou University
Original Assignee
Guizhou Academy Of Sciences
Guizhou Aluminums Factory
Guizhou University
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 claimed from CN2008103026686A external-priority patent/CN101363092B/zh
Priority claimed from CN2008103026690A external-priority patent/CN101363093B/zh
Priority claimed from CN2008103026703A external-priority patent/CN101319287B/zh
Priority claimed from CN2008103026718A external-priority patent/CN101363094B/zh
Application filed by Guizhou Academy Of Sciences, Guizhou Aluminums Factory, Guizhou University filed Critical Guizhou Academy Of Sciences
Publication of EP2298947A1 publication Critical patent/EP2298947A1/de
Publication of EP2298947A4 publication Critical patent/EP2298947A4/de
Application granted granted Critical
Publication of EP2298947B1 publication Critical patent/EP2298947B1/de
Not-in-force 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
    • 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
    • C22F1/057—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 copper 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
    • C22C21/12—Alloys based on aluminium with copper as the next major constituent

Definitions

  • the invention relates to an aluminum alloy material, in particular to a high strength casting aluminum alloy material.
  • the aluminum alloy as a younger metal material was not put into industrial use until early in the twentieth century.
  • the aluminum material was mainly used to manufacture military aircraft.
  • the sharp drop in the demand for the aluminum material in the military industry led the aluminum industry to turn to the development of the aluminum alloy for civil use, so as to extend the applicable range thereof from aviation industry to various fields of national economy such as construction industry, container packaging industry, transportation industry, power industry, electronic industry, mechanical manufacturing industry, petrochemical industry and so on and apply the aluminum alloy to daily life.
  • the aluminum material ranks second next to steel in metal materials.
  • the aluminum alloy can be dated back to 1906 when Alfred Wilm Duralumin discovered the age hardening by chance in Berlin and then the Duralumin was developed and applied to the structural parts of aircraft.
  • Various Al-Cu alloys were developed based on the Duralumin.
  • ZL204A, ZL205A and other grades of casting aluminum alloy are developed in China, wherein the tensile strength of the ZL204A ( ⁇ 5 >4%) under the T5 state is 440Mpa, however, the ZL204A has the poorest fluidity and hot-cracking resistance among the Al-Cu based casting alloys; the tensile strengths of ZL205A under the T5 state and T6 state are 435MPa and 465MPa respectively according to the technical standard (GB 1173-86), and the tensile strength of ZL205A (T6) is 470MPa according to the standard (GB/F1173-1995), so the ZL205A is one of casting aluminum alloy materials having highest strength worldwide at present.
  • ZL205A (T5) is good, and the coefficient of elongation thereof reaches 7%, so ZL205A has been widely applied in the field of aerospace, however, ZL205A contains precious metal V as an element and is high in cost; meanwhile, ZL205A is based on refined aluminum or high-purity aluminum as a base metal, thus increasing the cost and limiting the material supply. Additionally, ZL209, which is made by adding RE to ZL205A, is still subject to the limitation of high cost due to the addition of the element V.
  • the aluminum alloy developed by LV Jie, BIAM (Beijing Institute of Aeronautical Materials) is similar to ZL205A in the aspect of main components, however, the aluminum alloy contains 0.1% to 0.25% of V in the trace elements, has a tensile strength of 385MPa to 405MPa and the coefficient of elongation reaching 19% to 23%, and it is disclosed only in document study, the tensile strength of the aluminum alloy is lower, and the raw materials include high-cost element V.
  • the existing research on the field of high-strength casting aluminum alloy at home and aboard has the following problems: the strength of the aluminum alloy is not high enough, more particularly, few of casting aluminum alloys has the tensile strength higher than 450MPa; precious metals and rare elements (Ag, V and Be) are added in an amount higher than 1 ⁇ , and high-impurity aluminum is used as the base metals, thus increasing the cost, limiting the material source and making the aluminum alloy difficult to be popularized and put into civil use; the problem of the ratio between strength and plasticity is yet to be solved, and the contradiction between the strength and castability of the alloy is serious; and the fatigue life is short, and the resistance to stress corrosion is poor.
  • the invention intends to solve the technical problems that the existing high-strength casting aluminum alloy has the disadvantages of high formula cost, low strength, poor castability, short fatigue life and poor resistance to stress corrosion and to develop a high-strength, high-toughness and high-corrosion-resistance casting aluminum alloy material for both military and civil uses by optimizing the common formula and the processes of casting and purifying.
  • the invention provides a high-strength casting aluminum alloy material consisting of the following components by weight percentage: 2.0% to 6.0% of Cu, 0.05% to 1.0% of Mn, 0.01% to 0.5% of Ti, 0.01% to 0.2% of Cr, 0.01% to 0.4% of Cd, 0.01% to 0.25% of Zr, 0.005% to 0.04% of B, 0.05% to 0.3% of rare earth element and the balancing amount of Al and trace impurities.
  • the rare earth element may be Pr, Ce, La or mixed rare earth elements RE.
  • the total content of various rare earth elements in the mixed rare earth elements RE is not lower than 98% (based on the total weight of the mixed rare earth elements RE).
  • the mixed rare earth elements RE may contain 40wt% to 50wt% of Ce (based on the total weight of the mixed rare earth elements RE).
  • the method for preparing the high-strength casting aluminum alloy material comprises the following steps:
  • the invention has the following advantages:
  • the high-strength casting aluminum alloy material comprises the following components by weight percentage: 2.0% to 6.0% of Cu, 0.05% to 1.0% of Mn, 0.01% to 0.5% of Ti, 0.01% to 0.2% of Cr, 0.01% to 0.4% of Cd, 0.01% to 0.25% of Zr, 0.005% to 0.04% of B, 0.05% to 0.3% of Pr, Ce, La or mixed rare earth elements RE and the balancing amount of Al and trace impurities.
  • the total content of various rare earth elements in the mixed rare earth elements RE is not lower than 98%, and the content of Ce in the mixed rare earth elements is 45% by weight percentage.
  • the rare earth elements (Because the ionic radius and oxidation state of the rare earth elements are similar to those of other elements, the rare earth elements generally coexist with other elements in minerals.)

Claims (4)

  1. Hochfestes Gussaluminiumlegierungsmaterial, das gewichtsprozentual aus den folgenden Komponenten besteht: 2,0 % bis 6,0 % Cu, 0,05 % bis 1,0 % Mn, 0,01 % bis 0,5 % Ti, 0,01 % bis 0,2 % Cr, 0,01 % bis 0,4 % Cd, 0,01 % bis 0,25 % Zr, 0,005 % bis 0,04 % B, 0,05 % bis 0,3 % Seltene-Erde-Element und die restliche Menge aus Al und Spurenverunreinigungen.
  2. Hochfestes Gussaluminiumlegierungsmaterial nach Anspruch 1, wobei das Seltene-Erde-Elemente Pr, Ce, La oder gemischte Seltene-Erde-Elemente RE ist.
  3. Hochfestes Gussaluminiumlegierungsmaterial nach Anspruch 2, wobei der Gesamtgehalt an diversen Seltene-Erde-Elementen in den gemischten Seltene-Erde-Elementen RE nicht weniger als 98 Gew.-% beträgt.
  4. Hochfestes Gussaluminiumlegierungsmaterial nach Anspruch 2 oder 3, wobei der Ce-Gehalt in den gemischten Seltene-Erde-Elementen RE 40 Gew.-% bis 50 Gew.-% beträgt.
EP09793824.5A 2008-07-09 2009-07-02 Hochfest gegossenes aluminiumlegierungsmaterial Not-in-force EP2298947B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN2008103026686A CN101363092B (zh) 2008-07-09 2008-07-09 一种高强度铸造铝合金材料
CN2008103026690A CN101363093B (zh) 2008-07-09 2008-07-09 一种高强度铸造铝合金材料
CN2008103026703A CN101319287B (zh) 2008-07-09 2008-07-09 一种高强度铸造铝合金材料
CN2008103026718A CN101363094B (zh) 2008-07-09 2008-07-09 一种高强度铸造铝合金材料
PCT/CN2009/072603 WO2010003349A1 (zh) 2008-07-09 2009-07-02 一种高强度铸造铝合金材料

Publications (3)

Publication Number Publication Date
EP2298947A1 EP2298947A1 (de) 2011-03-23
EP2298947A4 EP2298947A4 (de) 2011-08-03
EP2298947B1 true EP2298947B1 (de) 2015-01-28

Family

ID=41506693

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09793824.5A Not-in-force EP2298947B1 (de) 2008-07-09 2009-07-02 Hochfest gegossenes aluminiumlegierungsmaterial

Country Status (5)

Country Link
US (1) US20110176957A1 (de)
EP (1) EP2298947B1 (de)
JP (1) JP2011526967A (de)
CA (1) CA2729251C (de)
WO (1) WO2010003349A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9347558B2 (en) 2010-08-25 2016-05-24 Spirit Aerosystems, Inc. Wrought and cast aluminum alloy with improved resistance to mechanical property degradation
US10266933B2 (en) 2012-08-27 2019-04-23 Spirit Aerosystems, Inc. Aluminum-copper alloys with improved strength
CN103436743B (zh) * 2013-07-16 2015-08-26 安徽省天马泵阀集团有限公司 泵盖用高强度铸造铝合金材料及其制造方法
GB201713005D0 (en) 2017-08-14 2017-09-27 Univ Brunel The alloy and manufacturing method of Al-Si-Mg castings for improved mechanical performance
CN112951474A (zh) * 2021-02-26 2021-06-11 安徽阿尔泰克铝业材料科技有限公司 一种航空航天电缆用铝合金导体
CN114277293B (zh) * 2021-12-30 2022-07-26 山西汤荣机械制造股份有限公司 轻量化复合制动盘及其制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB681906A (en) * 1950-06-02 1952-10-29 Fulmer Res Inst Ltd Improvements relating to aluminium base alloys
JPS4947602B1 (de) * 1970-03-20 1974-12-17
JPS5818418B2 (ja) * 1977-06-24 1983-04-13 株式会社神戸製鋼所 アルマイト性の優れた鋳造用高力アルミニウム合金の製造法
JPS585980B2 (ja) * 1977-08-04 1983-02-02 株式会社神戸製鋼所 成形加工性にすぐれた高力アルミニウム合金
CN86107139A (zh) * 1986-10-23 1988-05-04 北京有色金属加工厂 非发火性铸造铝合金
JP2799642B2 (ja) * 1992-02-07 1998-09-21 トヨタ自動車株式会社 高強度アルミニウム合金
US7323068B2 (en) * 2002-08-20 2008-01-29 Aleris Aluminum Koblenz Gmbh High damage tolerant Al-Cu alloy
US7494552B2 (en) * 2002-08-20 2009-02-24 Aleris Aluminum Koblenz Gmbh Al-Cu alloy with high toughness
CN100410406C (zh) * 2006-08-14 2008-08-13 吉林大学 高强高韧铸造铝合金
CN101191167B (zh) * 2006-11-23 2010-08-25 比亚迪股份有限公司 一种含有稀土的镁合金及其制备方法
CN101363093B (zh) * 2008-07-09 2011-04-20 贵州铝厂 一种高强度铸造铝合金材料
CN101319287B (zh) * 2008-07-09 2011-03-16 贵州大学 一种高强度铸造铝合金材料
CN101363092B (zh) * 2008-07-09 2011-01-12 贵州大学 一种高强度铸造铝合金材料
CN101363094B (zh) * 2008-07-09 2011-03-30 贵州铝厂 一种高强度铸造铝合金材料

Also Published As

Publication number Publication date
CA2729251C (en) 2014-04-15
WO2010003349A1 (zh) 2010-01-14
EP2298947A4 (de) 2011-08-03
JP2011526967A (ja) 2011-10-20
CA2729251A1 (en) 2010-01-14
US20110176957A1 (en) 2011-07-21
EP2298947A1 (de) 2011-03-23

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