GB434022A - An improved aluminium alloy - Google Patents

An improved aluminium alloy

Info

Publication number
GB434022A
GB434022A GB555934A GB555934A GB434022A GB 434022 A GB434022 A GB 434022A GB 555934 A GB555934 A GB 555934A GB 555934 A GB555934 A GB 555934A GB 434022 A GB434022 A GB 434022A
Authority
GB
United Kingdom
Prior art keywords
alloys
solution treatment
per cent
copper
ageing
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
Application number
GB555934A
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.)
HORACE CAMPBELL HALL
Rolls Royce PLC
Original Assignee
HORACE CAMPBELL HALL
Rolls Royce PLC
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 HORACE CAMPBELL HALL, Rolls Royce PLC filed Critical HORACE CAMPBELL HALL
Priority to GB555934A priority Critical patent/GB434022A/en
Publication of GB434022A publication Critical patent/GB434022A/en
Expired 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
    • C22C21/12—Alloys based on aluminium with copper 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)
  • Forging (AREA)

Abstract

The copper content of those alloys described in Specification 350,110 having a magnesium content of 0,7-1,75 per cent, is increased to 2,5-6,0 per cent. Manganese and other elements may also be added as described in Specification 425,102. The alloys may be subjected to artificial ageing at 100-190 C., for from 12 to 2 hours, to solution treatment followed by natural ageing in air for seven days or more, or to solution treatment and artificial ageing: the alloys may be cast or forged and may be extruded, rolled spun or pressed; the forging and solution treatment temperatures for high copper alloys should be kept low, e.g. for an alloy with 4,5 per cent of copper, the solution treatment temperature should not exceed 510 DEG C., for more than a few minutes. The alloys may be used for pulleys, airscrews, fans, free-machining bars, lever stampings and shields for the ignition apparatus of aircraft. Specifications 323,353, 328,138, [both in Class 82 (i)], and 350,021 also are referred to.
GB555934A 1934-02-20 1934-02-20 An improved aluminium alloy Expired GB434022A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB555934A GB434022A (en) 1934-02-20 1934-02-20 An improved aluminium alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB555934A GB434022A (en) 1934-02-20 1934-02-20 An improved aluminium alloy

Publications (1)

Publication Number Publication Date
GB434022A true GB434022A (en) 1935-08-20

Family

ID=9798399

Family Applications (1)

Application Number Title Priority Date Filing Date
GB555934A Expired GB434022A (en) 1934-02-20 1934-02-20 An improved aluminium alloy

Country Status (1)

Country Link
GB (1) GB434022A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426940A (en) * 1943-10-22 1947-09-02 William E Mccullough Journal bearing
US3306787A (en) * 1962-11-06 1967-02-28 Ver Deutsche Metallwerke Ag Forged metal shapes, their production, and articles made therefrom

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426940A (en) * 1943-10-22 1947-09-02 William E Mccullough Journal bearing
US3306787A (en) * 1962-11-06 1967-02-28 Ver Deutsche Metallwerke Ag Forged metal shapes, their production, and articles made therefrom

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