Aluminum-iron-nickel alloy electrical conductor

Details Aluminum-iron-nickel alloy electrical conductor Aluminum-iron-nickel alloy electrical conductor

C - Chemistry, Metallurgy

22

C

148/10, 75/79

C22C 21/00 (2006.01) C21D 9/52 (2006.01) H01B 1/02 (2006.01)

Patent

CA 1064738

ABSTRACT OF THE DISCLOSURE This disclosure relates to an aluminum alloy electrical conductor which contains from about 0.20% to about 1.60% by weight nickel, from about 0.30% to about 1.30% iron, optionally up to 2.00% of additional specified alloying elements, and the remainder aluminum with associ- ated trace elements. The conductors are processed in a continuous operation which includes continuous casting, hot-rolling in the as-cast condition to form continuous rod, cold-working of the rod by drawing it through a series of wire-drawing dies, without preliminary or intermediate anneals, and thereafter annealing the wire to achieve a minimum electrical conductivity of 58% IACS, an ultimate tensile strenght of at least 12,000 psi, a yield strength of at least 8,000 psi and an elongation of at least 12% when measured as a No. 10 A.W.G. wire. The additional alloying elements are precisely controlled in order to facilitate the continuous processing of the cast bar without spitting and cracking of the subsequently rolled and cold-drawn rod.

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