| 摘要 |
PURPOSE:To obtain an Al alloy conductor having superior electric conductivity, elongation and workability by subjecting a rough Al alloy wire having a specified composition contg. Mg, Si, Fe, Cu, etc. to soln. heat treatment, hardening, artificial aging, cold drawing and tempering under specified conditions. CONSTITUTION:A rough Al alloy wire contg., by weight, 0.3-1.6% Mg, 0.3- 1.2% Si, 0.10-0.8% Fe, 0.005-0.6% Cu and 0.005-0.2% in total of one or more among Zr, Cr and Mn is subjected to soln. heat treatment at 450-600 deg.C, hardening and artificial aging at 140-250 deg.C for 0.5-20hr. The wire is then cold drawn at >=60% working rate and tempered at 100-200 deg.C for 0.5-20hr. By he composition and the heat treatment conditions, a high strenght Al alloy conductor with superior strength for twisting or other processing is obtd. The conductor is comparable to a conventional Al alloy conductor in electric conductivity, elongation, wire drawability and bendability.
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