Insight into the high-temperature tribological mechanism of VAlTiCrW high entropy alloy film AlV3O9 from tribochemistry
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Springer
2023
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| Truy cập trực tuyến: | https://link.springer.com/article/10.1007/s40544-022-0640-7 https://dlib.phenikaa-uni.edu.vn/handle/PNK/7945 |
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oai:localhost:PNK-79452023-04-14T07:27:21Z Insight into the high-temperature tribological mechanism of VAlTiCrW high entropy alloy film AlV3O9 from tribochemistry Xuesong, Liu Jun, Fan Jibin, Pu VAlTiCrW high-entropy body-centered cubic CC BY High-entropy alloys have made significant progress in high mechanical properties, wear resistance, and corrosion resistance properties. Excellent tribological properties, especially high-temperature lubrication, have become another sought performance. In this work, VAlTiCrW high-entropy alloy film with body-centered cubic (BCC) structure was prepared on superalloy substrate by magnetron sputtering. It is found that the VAlTiCrW film shows very low friction coefficient of 0.15 and a low wear rate of 10−5 orders of magnitude at 800 °C. After 800 °C oxidation, the film can still obtain a friction coefficient of no more than 0.2 at 700 °C. XRD and TEM revealed the formation of ternary oxide AlV3O9 with preferred orientation of (002) crystal plane with large spacing of 0.71 nm on the wear surface of the film, a high-temperature lubricating phase that has not been reported, realizes the low friction coefficient. 2023-04-14T07:27:21Z 2023-04-14T07:27:21Z 2022 Book https://link.springer.com/article/10.1007/s40544-022-0640-7 https://dlib.phenikaa-uni.edu.vn/handle/PNK/7945 en application/pdf Springer |
| institution |
Digital Phenikaa |
| collection |
Digital Phenikaa |
| language |
English |
| topic |
VAlTiCrW high-entropy body-centered cubic |
| spellingShingle |
VAlTiCrW high-entropy body-centered cubic Xuesong, Liu Jun, Fan Jibin, Pu Insight into the high-temperature tribological mechanism of VAlTiCrW high entropy alloy film AlV3O9 from tribochemistry |
| description |
CC BY |
| format |
Book |
| author |
Xuesong, Liu Jun, Fan Jibin, Pu |
| author_facet |
Xuesong, Liu Jun, Fan Jibin, Pu |
| author_sort |
Xuesong, Liu |
| title |
Insight into the high-temperature tribological mechanism of VAlTiCrW high entropy alloy film AlV3O9 from tribochemistry |
| title_short |
Insight into the high-temperature tribological mechanism of VAlTiCrW high entropy alloy film AlV3O9 from tribochemistry |
| title_full |
Insight into the high-temperature tribological mechanism of VAlTiCrW high entropy alloy film AlV3O9 from tribochemistry |
| title_fullStr |
Insight into the high-temperature tribological mechanism of VAlTiCrW high entropy alloy film AlV3O9 from tribochemistry |
| title_full_unstemmed |
Insight into the high-temperature tribological mechanism of VAlTiCrW high entropy alloy film AlV3O9 from tribochemistry |
| title_sort |
insight into the high-temperature tribological mechanism of valticrw high entropy alloy film alv3o9 from tribochemistry |
| publisher |
Springer |
| publishDate |
2023 |
| url |
https://link.springer.com/article/10.1007/s40544-022-0640-7 https://dlib.phenikaa-uni.edu.vn/handle/PNK/7945 |
| _version_ |
1763180887235624960 |
| score |
8.887836 |