Aluminum alloy conductor

Abstract

An aluminum alloy conductor, containing: 0.4 to 0.9 mass % of Fe, with the balance being Al and inevitable impurities, wherein the conductor contains two kinds of intermetallic compounds A and B, in which the intermetallic compounds A and B have a particle size of 0.1 μm or more but 2 μm or less, and 0.03 μm or more but less than 0.1 μm, respectively, and area ratios a and b of the intermetallic compounds A and B, in an arbitrary region in the conductor, satisfy: 1%≦a≦6%, and 1%≦b≦5%.

1 . An aluminum alloy conductor, containing: 0.4 to 0.9 mass % of Fe, with the balance being Al and inevitable impurities,
 wherein the conductor contains two kinds of intermetallic compounds A and B, in which   the intermetallic compound A has a particle size within the range of 0.1 μm or more but 2 μm or less,   the intermetallic compound B has a particle size within the range of 0.03 μm or more but less than 0.1 μm, and   an area ratio a of the intermetallic compound A, and an area ratio b of the intermetallic compound B, in an arbitrary region in the conductor, satisfy the relationships of 1%≦a≦6%, and 1%≦b≦5%, respectively.   
     
     
         2 . The aluminum alloy conductor according to  claim 1 , which has a grain size at a vertical cross-section in the wire-drawing direction of 1 to 15 μm, by subjecting to a continuous electric heat treatment, which comprises the steps of rapid heating and quenching at the end of the production process of the conductor. 
     
     
         3 . The aluminum alloy conductor according to  claim 1 , which has a tensile strength of 80 MPa or more, and an electrical conductivity of 60% IACS or more. 
     
     
         4 . The aluminum alloy conductor according to  claim 1 , which has a tensile elongation at breakage of 10% or more. 
     
     
         5 . The aluminum alloy conductor according to  claim 1 , which has a recrystallized microstructure. 
     
     
         6 . An aluminum alloy conductor, containing: 0.4 to 0.9 mass % of Fe, and 0.01 to 0.4 mass % of Zr, with the balance being Al and inevitable impurities,
 wherein the conductor contains two kinds of intermetallic compounds A and B, in which   the intermetallic compound A has a particle size within the range of 0.1 μm or more but 2 μm or less,   the intermetallic compound B has a particle size within the range of 0.03 μm or more but less than 0.1 μm, and   an area ratio a of the intermetallic compound A, and an area ratio b of the intermetallic compound B, in an arbitrary region in the conductor, satisfy the relationships of 1%≦a≦6%, and 1%≦b≦7.5%, respectively.   
     
     
         7 . The aluminum alloy conductor according to  claim 6 , which has a grain size at a vertical cross-section in the wire-drawing direction of 1 to 15 μm, by subjecting to a continuous electric heat treatment, which comprises the steps of rapid heating and quenching at the end of the production process of the conductor. 
     
     
         8 . The aluminum alloy conductor according to  claim 6 , which has a tensile strength of 80 MPa or more, and an electrical conductivity of 60% IACS or more. 
     
     
         9 . The aluminum alloy conductor according to  claim 6 , which has a tensile elongation at breakage of 10% or more. 
     
     
         10 . The aluminum alloy conductor according to  claim 6 , which has a recrystallized microstructure.