Dynamic fatigue damage behaviors and mechanisms of overhead transmission Al wires at elevated temperatures
文献类型：期刊论文
| 作者 | Wang, Shuo1,2; Hou, Jiapeng2; Li, Chenghui2,3; Gong, Baishan2; Liu, Hanzhong2; Li, Dongqing4; Gu, Jian4; Wang, Qiang5; Zhang, Zhenjun2; Zhang, Zhefeng1,2 |
| 刊名 | INTERNATIONAL JOURNAL OF FATIGUE
 |
| 出版日期 | 2024-11-01 |
| 卷号 | 188页码:12 |
| 关键词 | Overhead Al wires Elevated temperature Dynamic fatigue Damage mechanism Fatigue strength prediction |
| ISSN号 | 0142-1123 |
| DOI | 10.1016/j.ijfatigue.2024.108515 |
| 通讯作者 | Hou, Jiapeng(jphou@imr.ac.cn) ; Zhang, Zhefeng(zhfzhang@imr.ac.cn) ; Li, Xiaowu(xwli@mail.neu.edu.cn) |
| 英文摘要 | With the increase in transmission demand, overhead conductors are always in hot service. In this work, the commonly used commercially pure Al wires and Al-Mg-Si wires were selected to carry out dynamic fatigue tests at elevated temperatures, to investigate the dynamic influences of temperature on their fatigue properties and damage mechanisms during cyclic deformation. The results show that the dynamic mechanical properties become degradated with increasing temperature due to the microstructural recovery, and such mechanical degradation is more severe for Al-Mg-Si wires. Besides, the fatigue crack initiation and propagation mechanisms were revealed using electron backscattering diffraction. Cracking at the grains with (0 01) ) orientation on surface is the major crack initiation mode. While, the crack propagation mechanism is divided into three stages, i.e., the propagation in the direction of a single slip system (Stage I), the propagation in the direction of multiple slip systems (Stage II), and the instability propagation in the direction of the maximum shear stress (Stage III). The dynamic evolution mechanism of the plane crack propagation regions with temperature was also studied, which is related to the critical stress and force for the crack instability propagation. Finally, a dynamic fatigue strength prediction model of Al wires was proposed. |
| 资助项目 | National Natural Science Foundation of China (NSFC)[52001313] ; National Natural Science Foundation of China (NSFC)[52130002] ; National Natural Science Foundation of China (NSFC)[52273322] ; National Natural Science Foundation of China (NSFC)[52271121] ; National Natural Science Foundation of China (NSFC)[52171108] ; IMR Innovation Fund[2023-PY05] ; IMR Innovation Fund[2024-PY08] ; Natural Science Foundation of Liaoning Province[2022-MS-001] ; Zhongke Technology Achievement Transfer and Transformation Center of Henan Province[2024109] ; Chinese Academy of Sciences (CAS)[174321KYSB20210002] |
| WOS研究方向 | Engineering ; Materials Science |
| 语种 | 英语 |
| WOS记录号 | WOS:001277033300001 |
| 出版者 | ELSEVIER SCI LTD |
| 资助机构 | National Natural Science Foundation of China (NSFC) ; IMR Innovation Fund ; Natural Science Foundation of Liaoning Province ; Zhongke Technology Achievement Transfer and Transformation Center of Henan Province ; Chinese Academy of Sciences (CAS) |
| 源URL |  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Hou, Jiapeng; Zhang, Zhefeng; Li, Xiaowu |
| 作者单位 | 1.Northeastern Univ, Sch Mat Sci & Engn, Dept Mat Phys & Chem,Minist Educ, Key Lab Anisotropy & Texture Mat, Shenyang 110819, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 3.Liaoning Petrochem Univ, Sch Mech Engn, Fushun 113001, Peoples R China 4.China Elect Power Res Inst, Beijing 100192, Peoples R China 5.Liaoning Univ, Coll Light Ind, Shenyang 110036, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Shuo,Hou, Jiapeng,Li, Chenghui,et al. Dynamic fatigue damage behaviors and mechanisms of overhead transmission Al wires at elevated temperatures[J]. INTERNATIONAL JOURNAL OF FATIGUE,2024,188:12. |
| APA | Wang, Shuo.,Hou, Jiapeng.,Li, Chenghui.,Gong, Baishan.,Liu, Hanzhong.,...&Li, Xiaowu.(2024).Dynamic fatigue damage behaviors and mechanisms of overhead transmission Al wires at elevated temperatures.INTERNATIONAL JOURNAL OF FATIGUE,188,12. |
| MLA | Wang, Shuo,et al."Dynamic fatigue damage behaviors and mechanisms of overhead transmission Al wires at elevated temperatures".INTERNATIONAL JOURNAL OF FATIGUE 188(2024):12. |
入库方式： OAI收割
来源：金属研究所
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