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Title:Design and analysis of high-strength aluminum alloy hanging ring
Authors: Bian Meihua1 Zhu Dengjie2 Zhang Deqin3 Gong Bo2 He Yuyin1 Liao Yongli2 
Unit: 1. Guangxi Key Laboratory of Intelligent Control and Maintenance of Power Equipment Electric Power Research Institute of Guangxi Power Grid Co.  Ltd.  Nanning 530023 China 2. Electric Power Research Institute CSG  Guangzhou 510663  China 3.Guangxi Power Grid Company Limited Beihai Power Supply Bureau  Beihai 536006 China 
KeyWords: high-strength aluminium alloy forging particle reinforcement ball head hanging ring tensile strength corrosion 
ClassificationCode:TB331
year,vol(issue):pagenumber:2025,50(5):6-12
Abstract:

The ball head hanging ring is an essential connection fittings in transmission lines, and it is important to improve the mechanical properties of ball head hanging ring for the safe operation of transmission lines. Therefore, aiming at the problems of high energy loss of iron fittings, the insufficient strength of traditional aluminum alloy and the poor corrosion resistance of existing high-strength aluminum alloy, the composition of 6082 aluminum alloy was modified by particle reinforcement method, and the matching of material and process was realized by the optimization of production process parameters. The results show that the ball head hanging ring of high-strength aluminum alloy 6082-A exhibits the best mechanical properties when the pre-forging temperature is 520 ℃, the solution treatment is conducted at 535 ℃ for 1 h, and the aging treatment is performed at 175 ℃ for 8 h. Under the above process parameters, the tensile strength of ball head hanging ring for high-strength aluminum alloy 6082-A can reach 410 MPa, which is 22.5% higher than that of ball head hanging ring for 6082 aluminum alloy, which significantly enhances the bearing capacity of ball head hanging ring for aluminum alloy and expands the application scope of aluminum alloy fittings.

Funds:
广西电网科技项目(GXKJXM20220064)
AuthorIntro:
作者简介:边美华(1980-),男,硕士,高级工程师,E-mail:27250060@qq.com;通信作者:朱登杰(1987-),男,硕士,工程师,E-mail:zhudj@csg.cn
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