Tailored Mechanical and Conductive Properties of Continuous Rheo-Extruded Al–Sc–Zr Alloy Conductors by Thermomechanical Treatment

Di Tie; Boyu Zhang; Minfang Chen; Haifeng Liu; Yuxiang Wang; Lizhong Liu; Renguo Guan

doi:10.2320/matertrans.MT-M2019297

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Tailored Mechanical and Conductive Properties of Continuous Rheo-Extruded Al–Sc–Zr Alloy Conductors by Thermomechanical Treatment

Di Tie, Boyu Zhang, Minfang Chen, Haifeng Liu, Yuxiang Wang, Lizhong Liu, Renguo Guan

著者情報

キーワード: Al–Sc–Zr alloy, thermomechanical treatment, heat treatment, mechanical properties, conductivity

ジャーナルフリー早期公開

論文ID: MT-M2019297

DOI https://doi.org/10.2320/matertrans.MT-M2019297

この記事には本公開記事があります。

The final version of this article is now available: Vol. 61 (2020), No. 2 pp. 412-415

詳細

抄録

Al–0.12Sc–0.04Zr (mass%) alloy conductive wires were designed and produced by continuous rheo-extrusion process. The effects of cold drawing process on microstructure, mechanical and conductive properties of the wires after aging treatment at different temperature were studied. Results showed that after cold drawing process, secondary Al₃(Sc–Zr) phase homogeneously precipitated and became smaller in size. The tensile strength increased from 115 MPa to 217 MPa due to the homogeneous distribution of secondary Al₃(Sc–Zr) phase in smaller size. Cold drawing process did not result in severe loss of conductive property.

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