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EP4232613A4 - IMPROVED 7XXX ALUMINUM ALLOYS - Google Patents

IMPROVED 7XXX ALUMINUM ALLOYS Download PDF

Info

Publication number
EP4232613A4
EP4232613A4 EP21883721.9A EP21883721A EP4232613A4 EP 4232613 A4 EP4232613 A4 EP 4232613A4 EP 21883721 A EP21883721 A EP 21883721A EP 4232613 A4 EP4232613 A4 EP 4232613A4
Authority
EP
European Patent Office
Prior art keywords
aluminum alloys
7xxx aluminum
improved
improved 7xxx
alloys
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.)
Pending
Application number
EP21883721.9A
Other languages
German (de)
French (fr)
Other versions
EP4232613A1 (en
Inventor
Lynette M. Karabin
John M. Newman
Carolyn G. NORWOOD
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.)
Arconic Technologies LLC
Original Assignee
Arconic Technologies 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 Arconic Technologies LLC filed Critical Arconic Technologies LLC
Publication of EP4232613A1 publication Critical patent/EP4232613A1/en
Publication of EP4232613A4 publication Critical patent/EP4232613A4/en
Pending 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
    • C22C21/10—Alloys based on aluminium with zinc as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • C22F1/053—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 zinc as the next major constituent

Landscapes

  • 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)
  • Cell Electrode Carriers And Collectors (AREA)
  • Continuous Casting (AREA)
  • Conductive Materials (AREA)
EP21883721.9A 2020-10-20 2021-10-19 IMPROVED 7XXX ALUMINUM ALLOYS Pending EP4232613A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202063094120P 2020-10-20 2020-10-20
PCT/US2021/055655 WO2022086997A1 (en) 2020-10-20 2021-10-19 Improved 7xxx aluminum alloys

Publications (2)

Publication Number Publication Date
EP4232613A1 EP4232613A1 (en) 2023-08-30
EP4232613A4 true EP4232613A4 (en) 2024-10-09

Family

ID=81290035

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21883721.9A Pending EP4232613A4 (en) 2020-10-20 2021-10-19 IMPROVED 7XXX ALUMINUM ALLOYS

Country Status (8)

Country Link
US (1) US20230250516A1 (en)
EP (1) EP4232613A4 (en)
JP (1) JP2023545854A (en)
KR (1) KR20230090332A (en)
CN (1) CN116457488A (en)
CA (1) CA3194573A1 (en)
MX (1) MX2023004562A (en)
WO (1) WO2022086997A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220145439A1 (en) * 2020-11-11 2022-05-12 Kaiser Aluminum Fabricated Products, Llc High Strength and High Fracture Toughness 7xxx Aerospace Alloy Products
KR20250010016A (en) * 2022-05-17 2025-01-20 아르코닉 테크놀로지스 엘엘씨 New 7XXX Aluminum Alloy Products

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150020930A1 (en) * 2012-03-07 2015-01-22 Alcoa Inc. 7xxx aluminum alloys, and methods for producing the same
US20170121802A1 (en) * 2015-10-30 2017-05-04 Novelis Inc. High strength 7xxx aluminum alloys and methods of making the same
CN111549266A (en) * 2020-05-27 2020-08-18 北京科技大学 A microstructure control method for improving the formability of aluminum alloy sheet for body structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101820012B1 (en) * 2017-11-21 2018-02-28 한국기계연구원 High-strength aluminum alloy plate with superior bake-hardenability and manufacturing method thereof
EP3670690A1 (en) * 2018-12-20 2020-06-24 Constellium Issoire Al-zn-cu-mg alloys and their manufacturing process
KR102058819B1 (en) * 2019-05-22 2020-01-22 연세대학교 산학협력단 aluminum alloy and method of fabricating the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150020930A1 (en) * 2012-03-07 2015-01-22 Alcoa Inc. 7xxx aluminum alloys, and methods for producing the same
US20170121802A1 (en) * 2015-10-30 2017-05-04 Novelis Inc. High strength 7xxx aluminum alloys and methods of making the same
CN111549266A (en) * 2020-05-27 2020-08-18 北京科技大学 A microstructure control method for improving the formability of aluminum alloy sheet for body structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022086997A1 *

Also Published As

Publication number Publication date
MX2023004562A (en) 2023-06-27
KR20230090332A (en) 2023-06-21
CN116457488A (en) 2023-07-18
WO2022086997A1 (en) 2022-04-28
US20230250516A1 (en) 2023-08-10
JP2023545854A (en) 2023-10-31
EP4232613A1 (en) 2023-08-30
CA3194573A1 (en) 2022-04-28

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