FR2222450A1 - Aluminium alloy forgings - from material cast heat treated and worked under particular conditions to obtain improved mechanical properties - Google Patents

Aluminium alloy forgings - from material cast heat treated and worked under particular conditions to obtain improved mechanical properties

Info

Publication number
FR2222450A1
FR2222450A1 FR7310115A FR7310115A FR2222450A1 FR 2222450 A1 FR2222450 A1 FR 2222450A1 FR 7310115 A FR7310115 A FR 7310115A FR 7310115 A FR7310115 A FR 7310115A FR 2222450 A1 FR2222450 A1 FR 2222450A1
Authority
FR
France
Prior art keywords
degrees
mechanical properties
aluminium alloy
heat treated
improved mechanical
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.)
Granted
Application number
FR7310115A
Other languages
French (fr)
Other versions
FR2222450B1 (en
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
Aluminum Company of America
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 Aluminum Company of America filed Critical Aluminum Company of America
Priority to FR7310115A priority Critical patent/FR2222450A1/en
Publication of FR2222450A1 publication Critical patent/FR2222450A1/en
Application granted granted Critical
Publication of FR2222450B1 publication Critical patent/FR2222450B1/fr
Granted legal-status Critical Current

Links

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
    • C22F1/053—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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Forging (AREA)

Abstract

An alloy containing by wt. 4.8 to 8.5% Zn, 1.7 to 3.5% Mg, 0.8 to 2.5% Cu, >=1 gram control element selected from 0.1 to 0.75% Mn, 0.05 to 0.4% Cr, 0.05 to 0.3% Zr, 0.05 to 0.3% V and 0.05 to 0.3% Mo, bal. Al, is cast with a gas content of is not >0.15 ml/100 gm with a minimum chill rate through the solidification zone of 2 degrees F/sec. It may then be homogenised at is not 860 degrees F, worked into forging stock at is not 750 degrees F with a ratio of >=8:1, soaked at 900 degrees-970 degrees F for >=2 hrs and forged at less than >=750 degrees F. The product may be soln. treated at >=900 degrees F and aged either at 215 degrees to 250 degrees for >=50 hrs, or at that temp. for >=6 hrs. and then at 340 degrees to 360 degrees F for a time equivalent to 7 1/2 to 9 1/2 hrs at exactly 350 degrees F.
FR7310115A 1973-03-21 1973-03-21 Aluminium alloy forgings - from material cast heat treated and worked under particular conditions to obtain improved mechanical properties Granted FR2222450A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7310115A FR2222450A1 (en) 1973-03-21 1973-03-21 Aluminium alloy forgings - from material cast heat treated and worked under particular conditions to obtain improved mechanical properties

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7310115A FR2222450A1 (en) 1973-03-21 1973-03-21 Aluminium alloy forgings - from material cast heat treated and worked under particular conditions to obtain improved mechanical properties

Publications (2)

Publication Number Publication Date
FR2222450A1 true FR2222450A1 (en) 1974-10-18
FR2222450B1 FR2222450B1 (en) 1976-05-07

Family

ID=9116629

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7310115A Granted FR2222450A1 (en) 1973-03-21 1973-03-21 Aluminium alloy forgings - from material cast heat treated and worked under particular conditions to obtain improved mechanical properties

Country Status (1)

Country Link
FR (1) FR2222450A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517702A1 (en) * 1981-12-03 1983-06-10 Gerzat Metallurg

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517702A1 (en) * 1981-12-03 1983-06-10 Gerzat Metallurg
EP0081441A1 (en) * 1981-12-03 1983-06-15 Societe Metallurgique De Gerzat Method of manufacturing products from high-strength alloys of the Al-Zn-Mg-Cu type and with transverse direction toughness

Also Published As

Publication number Publication date
FR2222450B1 (en) 1976-05-07

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