CA2349793C - Aluminum sheet products having improved fatigue crack growth resistance and methods of making same - Google Patents

Aluminum sheet products having improved fatigue crack growth resistance and methods of making same Download PDF

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Publication number
CA2349793C
CA2349793C CA002349793A CA2349793A CA2349793C CA 2349793 C CA2349793 C CA 2349793C CA 002349793 A CA002349793 A CA 002349793A CA 2349793 A CA2349793 A CA 2349793A CA 2349793 C CA2349793 C CA 2349793C
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CA
Canada
Prior art keywords
sheet product
weight percent
base alloy
aluminum alloy
sheet
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.)
Expired - Fee Related
Application number
CA002349793A
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English (en)
French (fr)
Other versions
CA2349793A1 (en
Inventor
Roberto J. Rioja
Robert W. Westerlund
Anne E. Roberts
Dhruba J. Chakrabarti
Diana K. Denzer
Anthony Morales
Paul E. Magnusen
Gregory B. Venema
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.)
Howmet Aerospace Inc
Original Assignee
Alcoa Corp
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 Alcoa Corp filed Critical Alcoa Corp
Publication of CA2349793A1 publication Critical patent/CA2349793A1/en
Application granted granted Critical
Publication of CA2349793C publication Critical patent/CA2349793C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • C22C21/02—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
    • C22C21/06—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
    • 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
    • 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
    • C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
    • 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
    • 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
    • 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

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  • 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)
  • Metal Rolling (AREA)
  • Compositions Of Oxide Ceramics (AREA)
CA002349793A 2000-06-12 2001-06-07 Aluminum sheet products having improved fatigue crack growth resistance and methods of making same Expired - Fee Related CA2349793C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/591,904 2000-06-12
US09/591,904 US6562154B1 (en) 2000-06-12 2000-06-12 Aluminum sheet products having improved fatigue crack growth resistance and methods of making same

Publications (2)

Publication Number Publication Date
CA2349793A1 CA2349793A1 (en) 2001-12-12
CA2349793C true CA2349793C (en) 2009-09-22

Family

ID=24368434

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002349793A Expired - Fee Related CA2349793C (en) 2000-06-12 2001-06-07 Aluminum sheet products having improved fatigue crack growth resistance and methods of making same

Country Status (5)

Country Link
US (2) US6562154B1 (enExample)
EP (1) EP1170394B1 (enExample)
JP (1) JP2002053925A (enExample)
CA (1) CA2349793C (enExample)
DE (1) DE60102870T2 (enExample)

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DE60102870D1 (de) 2004-05-27
EP1170394B1 (en) 2004-04-21
US6562154B1 (en) 2003-05-13
CA2349793A1 (en) 2001-12-12
EP1170394A2 (en) 2002-01-09

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