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| Effect of Deformation Aging Treatment on Tensile Strength and Electrical Conductivity of Aluminum Alloy Electric Pole |
| Received:January 07, 2017 Revised:January 17, 2017 |
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| DOI：doi：10.3969/j.issn.1007-7545.2017.05.014 |
| KeyWord:aluminum electrical round rods; deformation aging treatment; electrical conductivity; tensile strength |
| Author | Institution |
| WANG Hui |
贵州大学材料与冶金学院 |
| ZHANG Xiaoyan |
贵州大学材料与冶金学院 |
| Li Ruonan |
贵州大学材料与冶金学院 |
| ZHU Nenggui |
贵州大学材料与冶金学院 |
| HAN Xiuxiu |
贵州大学材料与冶金学院 |
| YANG Fajun |
贵州大学材料与冶金学院 |
| LIN Tingyi |
贵州大学材料与冶金学院 |
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| Abstract: |
| Effect of deformation aging treatment on conductivity and tensile strength of electrical round aluminum rod was explored. The results show that with increase of rolling deformation, electrical conductivity first rises and then drops, and tensile strength is improved obviously. After deformation aging treatment, grain boundary of samples becomes thinner, and microstructure is more uniform and well-distributed. The second phases of specimen rise visibly, and new phases (SiB6, Al3.21Si0.47, Cu3Fe17, and Al2FeSi) exist in matrix. Tensile strength and electrical conductivity is 234 MPa and 53.45%IACS respectively under thermo-mechanical treatment of 535 ℃×5 h solid solution treatment, rolling (83%), and 190 ℃×10 h aging treatment. |
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