{"title":"Ti64合金抗磨表面的设计：表面织构和射频溅射Ti/TaN涂层的影响","authors":"Pavan Kumar Vangara , Turali Narayana , Raghuveer Dontikurti , Gaurav Pant , Sunil Kumar Tiwari , Durgaprasad Kelli , Santhosh Kumar Dubba , Shahid Saleem","doi":"10.1016/j.nxmate.2025.101019","DOIUrl":null,"url":null,"abstract":"<div><div>This study investigates the use of laser surface texturing and RF magnetron sputtering to deposit Ti/TaN nanostructured coatings on Ti-6Al-4V (Ti64) alloy for enhanced mechanical and tribological properties. Three types of samples were examined: bare substrate (SS), Ti/TaN-coated surface, and coating on textured surface (CTS). Surface characterization was performed using GIXRD, FESEM, EDS, Raman spectroscopy, 3D profilometry, and nanoindentation. The Ti/TaN coatings, with a ∼100 nm Ti interlayer and ∼410 nm TaN top layer, exhibited a dense and uniform structure with good adhesion. This improved the hardness from 6.08 GPa (bare) to 23.57 GPa (Ti/TaN), a 288 % increase. Tribological tests using a ball-on-disc tribometer with Si<sub>3</sub>N<sub>4</sub> counter body under 1 N load showed notable improvements. The Ti/TaN coating reduced the coefficient of friction by 36.7 % and the wear rate by 82.1 % compared to the bare sample. The CTS surface performed even better, with reductions of 53.1 % in friction and 84.8 % in wear. These results demonstrate the synergistic effect of Ti/TaN coatings and surface texturing in enhancing the properties of Ti64 alloy for biomedical applications.</div></div>","PeriodicalId":100958,"journal":{"name":"Next Materials","volume":"9 ","pages":"Article 101019"},"PeriodicalIF":0.0000,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Designing anti-wear surfaces on Ti64 alloy: Influence of surface texturing and RF sputtered Ti/TaN coatings\",\"authors\":\"Pavan Kumar Vangara , Turali Narayana , Raghuveer Dontikurti , Gaurav Pant , Sunil Kumar Tiwari , Durgaprasad Kelli , Santhosh Kumar Dubba , Shahid Saleem\",\"doi\":\"10.1016/j.nxmate.2025.101019\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>This study investigates the use of laser surface texturing and RF magnetron sputtering to deposit Ti/TaN nanostructured coatings on Ti-6Al-4V (Ti64) alloy for enhanced mechanical and tribological properties. Three types of samples were examined: bare substrate (SS), Ti/TaN-coated surface, and coating on textured surface (CTS). Surface characterization was performed using GIXRD, FESEM, EDS, Raman spectroscopy, 3D profilometry, and nanoindentation. The Ti/TaN coatings, with a ∼100 nm Ti interlayer and ∼410 nm TaN top layer, exhibited a dense and uniform structure with good adhesion. This improved the hardness from 6.08 GPa (bare) to 23.57 GPa (Ti/TaN), a 288 % increase. Tribological tests using a ball-on-disc tribometer with Si<sub>3</sub>N<sub>4</sub> counter body under 1 N load showed notable improvements. The Ti/TaN coating reduced the coefficient of friction by 36.7 % and the wear rate by 82.1 % compared to the bare sample. The CTS surface performed even better, with reductions of 53.1 % in friction and 84.8 % in wear. These results demonstrate the synergistic effect of Ti/TaN coatings and surface texturing in enhancing the properties of Ti64 alloy for biomedical applications.</div></div>\",\"PeriodicalId\":100958,\"journal\":{\"name\":\"Next Materials\",\"volume\":\"9 \",\"pages\":\"Article 101019\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2025-07-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Next Materials\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2949822825005374\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Next Materials","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2949822825005374","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Designing anti-wear surfaces on Ti64 alloy: Influence of surface texturing and RF sputtered Ti/TaN coatings
This study investigates the use of laser surface texturing and RF magnetron sputtering to deposit Ti/TaN nanostructured coatings on Ti-6Al-4V (Ti64) alloy for enhanced mechanical and tribological properties. Three types of samples were examined: bare substrate (SS), Ti/TaN-coated surface, and coating on textured surface (CTS). Surface characterization was performed using GIXRD, FESEM, EDS, Raman spectroscopy, 3D profilometry, and nanoindentation. The Ti/TaN coatings, with a ∼100 nm Ti interlayer and ∼410 nm TaN top layer, exhibited a dense and uniform structure with good adhesion. This improved the hardness from 6.08 GPa (bare) to 23.57 GPa (Ti/TaN), a 288 % increase. Tribological tests using a ball-on-disc tribometer with Si3N4 counter body under 1 N load showed notable improvements. The Ti/TaN coating reduced the coefficient of friction by 36.7 % and the wear rate by 82.1 % compared to the bare sample. The CTS surface performed even better, with reductions of 53.1 % in friction and 84.8 % in wear. These results demonstrate the synergistic effect of Ti/TaN coatings and surface texturing in enhancing the properties of Ti64 alloy for biomedical applications.
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