Fabrication of superhydrophobic TA2 titanium alloy and preliminary assessment of its antifouling, self-cleaning, anti-icing, friction resistance, and corrosion resistance performance / Sian Chen in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 21, N° 4 (07/2024)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 21, N° 4 (07/2024) . - p. 1373-1383 Titre : Fabrication of superhydrophobic TA2 titanium alloy and preliminary assessment of its antifouling, self-cleaning, anti-icing, friction resistance, and corrosion resistance performance Type de document : texte imprimé Auteurs : Sian Chen, Auteur ; Benfeng Zhu, Auteur ; Xuesheng Wang, Auteur ; Na Chen, Auteur ; Guowei Ji, Auteur ; Mengyan Liu, Auteur ; Yumeng Yang, Auteur ; Li Ren, Auteur ; Shuxin Shuai, Auteur ; Jiajun Cao, Auteur ; Li Jiang, Auteur ; Guoying Wei, Auteur Année de publication : 2024 Article en page(s) : p. 1373-1383 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Alliages Anticorrosifs Anticorrosion Caractérisation Hydrophobie Matériaux -- Propriétés antisalissures Nanotubes Résistance à l'abrasion Revêtement auto-nettoyant Revêtements antigel Index. décimale : 667.9 Revêtements et enduits Résumé : Titanium alloy-based superhydrophobic surfaces have great advantages in terms of self-cleaning and corrosion resistance. To extend the application of titanium alloy, a multifunctional superhydrophobic TA2 titanium alloy was fabricated by anodic oxidation and chemical modification. Regular TiO2 nanotube arrays were obtained after anodic oxidation and completely covered by 1H,1H,2H,2H-perfluorodecyltriethoxysilane. The water contact angle of superhydrophobic TA2 titanium alloy is as high as 153.4° ± 0.6°, and the contact angle of the surface shows good stability in different pH aqueous solutions and different concentrations of NaCl solutions. At −10 °C, the icing time of superhydrophobic TA2 titanium alloy surface can be extended to 4400 s. Furthermore, the superhydrophobic TA2 titanium alloy still maintains superhydrophobic properties when polished 70 times by sandpaper, indicating that the surface has good friction resistance. Electrochemical impedance spectroscopy results show that superhydrophobic TA2 titanium alloy with a Z′|f=0.01 Hz value of 84 kΩ cm2 has better corrosion resistance compared with the TA2 titanium alloy. These results indicate that the superhydrophobic composite film integrates multiple functions on the surface of TA2 titanium alloy, which greatly expands its application. Note de contenu : - EXPERIMENTAL AND METHODS : Materials - Preparation of anodized titanium alloy nanotube arrays - Preparation of superhydrophobic titanium alloy - Characterizations - RESULTS AND DISCUSSION : ATR FTIR spectra - Surface morphology and elemental composition - Surface wettability - Self-cleaning - Anti-icing - Friction resistance - Corrosion resistance DOI : https://doi.org/10.1007/s11998-023-00900-5 En ligne : https://drive.google.com/file/d/1frqvHp1TZ3T91pjY8lUck7WHc7N1KMAS/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=41304 [article]

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