Electric brushes for aerospace vehicles—conductive rings electrically contact sliding friction pairs, are important power and signal transmission channels for aerospace vehicles. They are key stand-alone products that affect the life and reliability of satellites. In addition to ensuring high reliability in structure, friction pair materials should also select electrical contact materials suitable for space environment. This paper studies the corresponding relationship among the process, performance and organization of AuNi9 brush wire as one of the sliding friction pairs, especially for the process link of key performance changes. AuNi9 alloy was prepared and investigated in order to obtain excellent mechanical properties by optimizing the heat treatment conditions in this paper. The results show that the microstructures of the alloy are mainly composed of α-Au solid solution and A small amount of Au-Ni phase. The strength and hardness of the material continue to increase with the increase of deformation rate, and the strength is basically linear. However, the hardness has a limit value, and even if the deformation rate continues to increase, the hardness does not change significantly. The AuNi9 alloy has obvious aging strengthening phenomenon. When the temperature is kept at 300°C, the hardness increases with the heat treatment. The optimal heat treatment process of AuNi9 alloy is heating at 300°C for 30 minutes.
| Published in | American Journal of Science, Engineering and Technology (Volume 7, Issue 3) |
| DOI | 10.11648/j.ajset.20220703.14 |
| Page(s) | 87-91 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2022. Published by Science Publishing Group |
Noble Metal, Sliding Friction Pair, Brush Wire, Microstructure, Properties
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APA Style
Xiumei Shi, Lei Jiao, Feng Wang, Richu Wang, Xu Liu, et al. (2022). Study of Microstructure and Properties of Gold Based Brush Materials. American Journal of Science, Engineering and Technology, 7(3), 87-91. https://doi.org/10.11648/j.ajset.20220703.14
ACS Style
Xiumei Shi; Lei Jiao; Feng Wang; Richu Wang; Xu Liu, et al. Study of Microstructure and Properties of Gold Based Brush Materials. Am. J. Sci. Eng. Technol. 2022, 7(3), 87-91. doi: 10.11648/j.ajset.20220703.14
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Download@article{10.11648/j.ajset.20220703.14,
author = {Xiumei Shi and Lei Jiao and Feng Wang and Richu Wang and Xu Liu and Yuefeng Qi},
title = {Study of Microstructure and Properties of Gold Based Brush Materials},
journal = {American Journal of Science, Engineering and Technology},
volume = {7},
number = {3},
pages = {87-91},
doi = {10.11648/j.ajset.20220703.14},
url = {https://doi.org/10.11648/j.ajset.20220703.14},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajset.20220703.14},
abstract = {Electric brushes for aerospace vehicles—conductive rings electrically contact sliding friction pairs, are important power and signal transmission channels for aerospace vehicles. They are key stand-alone products that affect the life and reliability of satellites. In addition to ensuring high reliability in structure, friction pair materials should also select electrical contact materials suitable for space environment. This paper studies the corresponding relationship among the process, performance and organization of AuNi9 brush wire as one of the sliding friction pairs, especially for the process link of key performance changes. AuNi9 alloy was prepared and investigated in order to obtain excellent mechanical properties by optimizing the heat treatment conditions in this paper. The results show that the microstructures of the alloy are mainly composed of α-Au solid solution and A small amount of Au-Ni phase. The strength and hardness of the material continue to increase with the increase of deformation rate, and the strength is basically linear. However, the hardness has a limit value, and even if the deformation rate continues to increase, the hardness does not change significantly. The AuNi9 alloy has obvious aging strengthening phenomenon. When the temperature is kept at 300°C, the hardness increases with the heat treatment. The optimal heat treatment process of AuNi9 alloy is heating at 300°C for 30 minutes.},
year = {2022}
}
TY - JOUR T1 - Study of Microstructure and Properties of Gold Based Brush Materials AU - Xiumei Shi AU - Lei Jiao AU - Feng Wang AU - Richu Wang AU - Xu Liu AU - Yuefeng Qi Y1 - 2022/08/15 PY - 2022 N1 - https://doi.org/10.11648/j.ajset.20220703.14 DO - 10.11648/j.ajset.20220703.14 T2 - American Journal of Science, Engineering and Technology JF - American Journal of Science, Engineering and Technology JO - American Journal of Science, Engineering and Technology SP - 87 EP - 91 PB - Science Publishing Group SN - 2578-8353 UR - https://doi.org/10.11648/j.ajset.20220703.14 AB - Electric brushes for aerospace vehicles—conductive rings electrically contact sliding friction pairs, are important power and signal transmission channels for aerospace vehicles. They are key stand-alone products that affect the life and reliability of satellites. In addition to ensuring high reliability in structure, friction pair materials should also select electrical contact materials suitable for space environment. This paper studies the corresponding relationship among the process, performance and organization of AuNi9 brush wire as one of the sliding friction pairs, especially for the process link of key performance changes. AuNi9 alloy was prepared and investigated in order to obtain excellent mechanical properties by optimizing the heat treatment conditions in this paper. The results show that the microstructures of the alloy are mainly composed of α-Au solid solution and A small amount of Au-Ni phase. The strength and hardness of the material continue to increase with the increase of deformation rate, and the strength is basically linear. However, the hardness has a limit value, and even if the deformation rate continues to increase, the hardness does not change significantly. The AuNi9 alloy has obvious aging strengthening phenomenon. When the temperature is kept at 300°C, the hardness increases with the heat treatment. The optimal heat treatment process of AuNi9 alloy is heating at 300°C for 30 minutes. VL - 7 IS - 3 ER -
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