EP0142261A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Stress corrosion resistant aluminium-magnesium-lithium-copper alloy
Assignee: Rio Tinto Alcan International Ltd
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Filing: 1984-10-10
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Granted: —
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Expires: 2004-10-10
Abstract
Abstract An aluminium base alloy having a composition within the following ranges in weight percent: one or more constituents selected from the group consisting of Zirconium, Hafnium and Niobium as follows:
Inventors
- 👤 William Sinclair Miller
- 👤 Alan Gray
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 04:37
CPC Classifications
C; C22; C22C; C22C21/00; C22C21/06
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
31 words
An aluminium base alloy having a composition within the following ranges in weight per cent:- one or more constituents selected from the group consisting of Zirconium, Hafnium and Niobium as follows:-
Claim 2
Dependent Claim
31 words
An aluminium base alloy having a composition within the following ranges in weight per cent:- one or more constituents selected from the group consisting of Zirconium, Hafnium and Niobium as follows:-
Claim 3
Dependent Claim
14 words
An alloy according to claim 1 containing 0.1 to 0.15 weight per cent Zirconium.
Claim 4
Dependent Claim
14 words
An alloy according to claim 1 containing Lithium in the range 2.4 to 2.6%.
Claim 5
Dependent Claim
11 words
An alloy according to claim 3 containing 3.8 to 4.2% Magnesium.
Claim 6
Dependent Claim
11 words
An alloy according to claim 4 containing 0.4 to 0.6% Copper.
Claim 7
Dependent Claim
8 words
An aluminium base alloy substantially as herein described.
Claim 8
Dependent Claim
8 words
An aluminium base alloy substantially as herein described.
References Cited (Backward Citations)
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