HIGH CONDUCTIVITY ALUMINUM ALLOYS

• US 3,770,515 A
• Filed: 05/15/1972
• Issued: 11/06/1973
• Est. Priority Date: 05/15/1972
• Status: Expired due to Term

• Current Assignee: Fred A. Besel
• Original Assignee: Fred A. Besel
• Inventors: Besel, Fred A.
• Primary Examiner(s): Stallard, W. W.
• Application Number:
  US05/253,335
• Time in Patent Office: 540 Days
• Field of Search: 148/11.5A,159
• US Class Current: 148/690
• CPC Class Codes: C22C 21/00 Alloys based on aluminium
• CPC Class Codes: H01B 1/023 Alloys based on aluminium

Abstract

A process for obtaining a high conductivity material comprising the providing of a material from the group consisting of commercial purity aluminum and aluminum alloys wherein the alloy contains at least one alloying element in an amount of from 0.1 to 1.5 percent weight, the total not exceeding 3.0 weight percent, cold deforming the material at least 15 percent below 500* F, heating for at least 20 minutes in the range of 400* to 800* F and cooling.

Claims

2. A process according to claim 1 wherein said material is an aluminum alloy containing magnesium.

3. A process according to claim 1 wherein said material is an aluminum alloy containing copper.

4. A process according to claim 1 wherein said material is an aluminum alloy containing silicon.

5. A process according to claim 1 wherein said material is commercial purity aluminum.

6. A process according to claim 1 wherein said heating step (C) allows precipitation to approach equilibrium.

7. A process according to claim 1 wherein the resultant product has an electrical conductivity of from 57 to 64 IACS.