Al/Cu/Mg/Ag alloy with Si, semi-finished product made from...

Details Al/Cu/Mg/Ag alloy with Si, semi-finished product made from... Al/Cu/Mg/Ag alloy with Si, semi-finished product made from...

2007-05-08

2007-05-08

King, Roy (Department: 1742)

Metal treatment

Stock

Age or precipitation hardened or strengthened

C148S692000, C148S694000, C148S697000, C148S700000, C420S535000, C420S539000

Reexamination Certificate

active

10501574

ABSTRACT:
An Al/Cu/Mg/Mn alloy for the production of semi-finished products with high static and dynamic strength properties has the following composition: 0.3–0.7 wt % silicon (Si), max. 0.15 wt. % iron (Fe), 3.5–4.5 wt % copper (Cu), 0.1–0.5 wt. % manganese (Mn), 0.3–0.8 wt. % magnesium (Mg), 0.5–0.15 wt % titanium (Ti), 0.1–0.25 wt % zirconium (Zr), 0.3–0.7 wt. % silver (Ag), max. 0.05 wt. % others individually, max 0.15 wt. % others globally, the remaining wt. % aluminum (Al). The invention further relates to a semi-finished product made for such an alloy and a method of production of a semi-finished product made for such an alloy.

REFERENCES:
patent: 3475166 (1969-10-01), Raffin
patent: 1320271 (1973-06-01), None
patent: 03107440 (1991-07-01), None
Fabrication and Finishing of Aluminum Alloys/ Article XP-002227160 FORGING pp. 247-257; Heat Treating pp. 290-320.
Materials Science Forum vol. 217-222 (1996) pp. 1759-1764. Copyright 1996 Transtec Publications, Switzerland. Aluminium Alloys—Their Physical and Mechanical Properties, “After Concorde: Evaluation of An Al-Cu-Mg-Ag Alloy For Use In the Proposed European SST”.

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