Effect of Cu addition on the tribological properties and oxidation behavior of nanomultilayered AlTiN/Cu coatings
As a soft metal, the addition of Cu has an important influence on the high-temperature tribological properties and oxidation behavior of nanomultilayered AlTiN/Cu coatings. At room temperature (RT), due to abrasive wear, the AlTiN coating exhibited a high friction coefficient of 0.97 and low wear re...
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| Format: | Article |
| Language: | English |
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Elsevier
2024-01-01
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| Series: | Journal of Materials Research and Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785423031010 |
| _version_ | 1827368361394176000 |
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| author | Haijuan Mei Rui Wang Ji Cheng Ding Junfeng Zhao Ting Wang Jianming Deng Kai Li Weiping Gong Qimin Wang |
| author_facet | Haijuan Mei Rui Wang Ji Cheng Ding Junfeng Zhao Ting Wang Jianming Deng Kai Li Weiping Gong Qimin Wang |
| author_sort | Haijuan Mei |
| collection | DOAJ |
| description | As a soft metal, the addition of Cu has an important influence on the high-temperature tribological properties and oxidation behavior of nanomultilayered AlTiN/Cu coatings. At room temperature (RT), due to abrasive wear, the AlTiN coating exhibited a high friction coefficient of 0.97 and low wear resistance. After adding Cu layer, the friction coefficient gradually decreased to 0.59 at 18.4 at.% Cu due to the lubricating effect of soft metal Cu and CuO, and the best wear resistance was achieved at 2.9 at.% Cu. At 800 °C, the oxidation resistance sharply reduced after adding Cu layer, and exhibited oxidation delamination. At low Cu contents (≤4.5 at.%), by the inward diffusion of O, a mixed oxide layer of Al2O3, TiO2, and CuO formed. At 18.4 at.% Cu, by the outward diffusion and oxidation of Cu, double-layer oxides formed, and the top layer of CuO contributed to a low friction coefficient of 0.53, but also caused a reduce in the wear resistance. |
| first_indexed | 2024-03-08T09:29:08Z |
| format | Article |
| id | doaj.art-c1148e39cde646e192a2428028b3ca03 |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-03-08T09:29:08Z |
| publishDate | 2024-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-c1148e39cde646e192a2428028b3ca032024-01-31T05:43:22ZengElsevierJournal of Materials Research and Technology2238-78542024-01-0128719729Effect of Cu addition on the tribological properties and oxidation behavior of nanomultilayered AlTiN/Cu coatingsHaijuan Mei0Rui Wang1Ji Cheng Ding2Junfeng Zhao3Ting Wang4Jianming Deng5Kai Li6Weiping Gong7Qimin Wang8Guangdong Provincial Key Laboratory of Electronic Functional Materials and Devices, Huizhou University, Huizhou 516007, China; Corresponding author.School of Mechanical Engineering, Guilin University of Aerospace Technology, Guilin 541004, ChinaSchool of Materials Science and Engineering, Anhui University of Technology, Maanshan 243002, ChinaGuangdong Provincial Key Laboratory of Electronic Functional Materials and Devices, Huizhou University, Huizhou 516007, ChinaGuangdong Provincial Key Laboratory of Electronic Functional Materials and Devices, Huizhou University, Huizhou 516007, ChinaGuangdong Provincial Key Laboratory of Electronic Functional Materials and Devices, Huizhou University, Huizhou 516007, ChinaGuangdong Provincial Key Laboratory of Electronic Functional Materials and Devices, Huizhou University, Huizhou 516007, ChinaGuangdong Provincial Key Laboratory of Electronic Functional Materials and Devices, Huizhou University, Huizhou 516007, China; Corresponding author.School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China; Corresponding author.As a soft metal, the addition of Cu has an important influence on the high-temperature tribological properties and oxidation behavior of nanomultilayered AlTiN/Cu coatings. At room temperature (RT), due to abrasive wear, the AlTiN coating exhibited a high friction coefficient of 0.97 and low wear resistance. After adding Cu layer, the friction coefficient gradually decreased to 0.59 at 18.4 at.% Cu due to the lubricating effect of soft metal Cu and CuO, and the best wear resistance was achieved at 2.9 at.% Cu. At 800 °C, the oxidation resistance sharply reduced after adding Cu layer, and exhibited oxidation delamination. At low Cu contents (≤4.5 at.%), by the inward diffusion of O, a mixed oxide layer of Al2O3, TiO2, and CuO formed. At 18.4 at.% Cu, by the outward diffusion and oxidation of Cu, double-layer oxides formed, and the top layer of CuO contributed to a low friction coefficient of 0.53, but also caused a reduce in the wear resistance.http://www.sciencedirect.com/science/article/pii/S2238785423031010AlTiN/CuCu additionTribological behaviorOxidation behavior |
| spellingShingle | Haijuan Mei Rui Wang Ji Cheng Ding Junfeng Zhao Ting Wang Jianming Deng Kai Li Weiping Gong Qimin Wang Effect of Cu addition on the tribological properties and oxidation behavior of nanomultilayered AlTiN/Cu coatings Journal of Materials Research and Technology AlTiN/Cu Cu addition Tribological behavior Oxidation behavior |
| title | Effect of Cu addition on the tribological properties and oxidation behavior of nanomultilayered AlTiN/Cu coatings |
| title_full | Effect of Cu addition on the tribological properties and oxidation behavior of nanomultilayered AlTiN/Cu coatings |
| title_fullStr | Effect of Cu addition on the tribological properties and oxidation behavior of nanomultilayered AlTiN/Cu coatings |
| title_full_unstemmed | Effect of Cu addition on the tribological properties and oxidation behavior of nanomultilayered AlTiN/Cu coatings |
| title_short | Effect of Cu addition on the tribological properties and oxidation behavior of nanomultilayered AlTiN/Cu coatings |
| title_sort | effect of cu addition on the tribological properties and oxidation behavior of nanomultilayered altin cu coatings |
| topic | AlTiN/Cu Cu addition Tribological behavior Oxidation behavior |
| url | http://www.sciencedirect.com/science/article/pii/S2238785423031010 |
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