Yu Wang

North University of China

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Renguo Guan

Dalian Jiaotong University

Minqiang Gao

Dalian Jiaotong University

Bowei Yang

Hubei University of Technology

Langjie Zhu

Sichuan University

Hongkui Mao

North University of China

Jian Mao

Sichuan University

Baiqing Xiong

General Research Institute for Nonferrous Metals (China)

Hong Xu

North University of China

Shuhui Huang

State Key Laboratory of Nonferrous Metals and Processes

Bingxin Xie

Chongqing University of Posts and Telecommunications

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Northeastern University

Central South University

North University of China

University of Science and Technology Beijing

Chinese Academy of Sciences

Huazhong University of Science and Technology

Lanzhou University of Technology

Grinm Advanced Materials (China)

Universidad del Noreste

Sichuan University

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Microstructure Evolution and Properties Tailoring of Rheo-Extruded Al-Sc-Zr-Fe Conductor via Thermo-Mechanical Treatment

Materials (2020)

Di Tie Yu Wang Xiang Wang Renguo Guan Lufei Yan

Low-cost heat-resistant Al-Sc-Zr-Fe conductor wires were successfully manufactured by continuous rheo-extrusion process, and the mechanical and conductive properties of the materials were analyzed and compared after three different thermo-mechanical treatment methods. The coarse plate-shape Al3Fe phase transformed to small sized rod-like phase after solid solution treatment at 630 °C for 21 h. Direct aging treatment at 300 °C for 24 h led to the refinement and spheroidization of Al3Fe phase with a diameter of 200 nm. After the subsequent aging treatment at 300 °C for 24 h, the tensile strength and conductivity of the alloy wire significantly increased due to the homogeneous precipitation of the coherent spherical Al3(Sc, Zr) phase with an average size of 15 nm. The tensile strength, elongation, and conductivity of the alloy conductor wire after optimized thermo-mechanical treatment reached 165.7 MPa, 7.3%, and 60.26% International Annealed Copper Standard (IACS), respectively. The thermal resistance of the present alloy wire was superior to that of standard AT1 type alloy conductor according to IEC international standard.

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10.3390/ma13040845

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Citations (9)

Author response for "Understanding the effect of aging treatment on the electrical properties of Al - 4Cu (wt.%) alloy"

Langjie Zhu Yu Wang Jian Mao

10.1088/2053-1591/ac5351/v2/response1

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The response of mechanical property to the microstructure variation of an Al–Mg alloy by adding tin element

Materials Science and Engineering A (2021)