| (19) |
 |
|
(11) |
EP 0 079 749 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
25.04.1984 Bulletin 1984/17 |
| (43) |
Date of publication A2: |
|
25.05.1983 Bulletin 1983/21 |
| (22) |
Date of filing: 09.11.1982 |
|
|
| (84) |
Designated Contracting States: |
|
AT DE FR GB IT NL |
| (30) |
Priority: |
12.11.1981 US 320479
|
| (71) |
Applicant: MPD Technology Corporation |
|
() |
|
| (72) |
Inventors: |
|
- Donachie, Stephen James
()
- Erich, Donald Leo
()
- Weber, John Herbert
()
|
|
| |
|
| (54) |
Dispersion strengthened mechanically-alloyed aluminium-based alloy |
(57) A dispersion strengthened mechanically alloyed Al-Cu-Mg alloy is provided characterised
by a combination of high tensile yield strength in the transverse direction, superior
resistance to stress corrosion cracking at high strength, good fracture toughness
and good ductility.