High strength, ductile, low density, aluminum alloys and process for making the same
CA 1280342 C · Owner: Allied-Signal Inc. · Inventors: Skinner, David J.; Kim, Nack J.; Das, Santosh K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a process for making high strength, high ductility, low density aluminum-base alloys, consisting essentially of the formula AlbalZraLibXc, wherein X is at least one element selected from the group consisting of Cu Mg, Si, Sc, Ti, U, Hf, Be, Cr, V, Mn, Fe Co and Ni, "a" ranges from, about 0.15-2 wt% "b" ranges from about 2.5-5 wt%, "c", ranges from about 0-5 wt% and the balance is aluminum. The alloy is given multiple aging treatments after being solutionized. The microstructure of the alloy is characterized by the precipitation of a composite phase in the aluminum matrix thereof.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted February 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.