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首页> 外文期刊>Thin Solid Films >Assessment of anodization conditions and annealing temperature on the microstructure, elastic modulus, and wettability of β-Ti40Nb alloy
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Assessment of anodization conditions and annealing temperature on the microstructure, elastic modulus, and wettability of β-Ti40Nb alloy

机译：阳极氧化条件和退火温度对β-Ti40NB合金的微观结构，弹性模量和润湿性的评估

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摘要

In this work, it was mapped combinations of anodization conditions, annealing temperatures, and elastic modulus together with better wettability properties of low elastic modulus Ti40Nb alloy. The anodization was realized in an organic electrolyte for one hour. Thus (Ti,Nb)O-2 nanostructures grew on the surface. For the sake of optimizing the wettability, the anodization voltage was varied to obtain different nanostructured morphologies, which grew either in the form of nanotubes or nanopores. Posterior heat treatment at different temperatures (450 degrees C, 550 degrees C, and 800 degrees C) led to distinct titania crystalline phases (anatase, anatase+rutile, rutile) and different Young's moduli. Different morphologies and crystalline phases affect surface wettability properties. Although all the studied conditions showed a hydrophilic behavior (contact angle below 90 degrees), the optimized condition was found to be the samples coated with anodized nanotubes, whose annealing temperature led to a mix of anatase and rutile phases. Such morphology and phases reduced the contact angle to a minimum. The annealing temperature led the alloy elastic modulus to the lowest value (65 GPa). The optimized condition may be considered the more suitable combination for future biomedical applications.
机译：在这项工作中，它是阳极氧化条件，退火温度和弹性模量的映射组合，以及低弹性模量Ti40NB合金的更好润湿性。阳极氧化在有机电解质中实现1小时。因此（Ti，Nb）O-2纳米结构在表面上增长。为了优化润湿性，阳极氧化电压变化以获得不同的纳米结构形态，其以纳米管或纳米孔的形式增长。在不同温度下的后热处理（450℃，550℃和800℃）导致不同的二氧化钛晶相（锐钛矿，锐钛矿+金红石，金红石）和不同的杨氏模量。不同的形态和结晶相影响表面润湿性。尽管所有研究的条件显示出亲水性行为（接触角度低于90度），但发现优化的病症是涂有阳极氧化纳米管的样品，其退火温度导致锐钛矿和金红石相的混合物。这种形态和阶段将接触角降低到最小值。退火温度使合金弹性模量导致最低值（65GPa）。优化的条件可以被认为是未来生物医学应用的更合适的组合。

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  • 来源
    《Thin Solid Films》 |2021年第1期|138949.1-138949.9|共9页
  • 作者

    Ricci Virgilio P.; dos Santos Rafael F. M.; Asato Gabriel H.; Roche Virginie; Jorge Junior Alberto M.; Afonso Conrado R. M.;

  • 作者单位

    Univ Fed Sao Carlos UFSCar Grad Program Mat Sci & Engn PPG CEM BR-13565905 Sao Carlos SP Brazil|Univ Grenoble Alpes Univ Savoie Mt Blanc Grenoble INP CNRS LEPMI F-38000 Grenoble France;

    Univ Fed Sao Carlos UFSCar Grad Program Mat Sci & Engn PPG CEM BR-13565905 Sao Carlos SP Brazil;

    Univ Grenoble Alpes Univ Savoie Mt Blanc Grenoble INP CNRS LEPMI F-38000 Grenoble France|Univ Fed Sao Carlos UFSCar Dept Mat Engn DEMa BR-13565905 Sao Carlos SP Brazil;

    Univ Grenoble Alpes Univ Savoie Mt Blanc Grenoble INP CNRS LEPMI F-38000 Grenoble France;

    Univ Fed Sao Carlos UFSCar Grad Program Mat Sci & Engn PPG CEM BR-13565905 Sao Carlos SP Brazil|Univ Grenoble Alpes Univ Savoie Mt Blanc Grenoble INP CNRS LEPMI F-38000 Grenoble France|Univ Fed Sao Carlos UFSCar Dept Mat Engn DEMa BR-13565905 Sao Carlos SP Brazil;

    Univ Fed Sao Carlos UFSCar Grad Program Mat Sci & Engn PPG CEM BR-13565905 Sao Carlos SP Brazil|Univ Fed Sao Carlos UFSCar Dept Mat Engn DEMa BR-13565905 Sao Carlos SP Brazil;

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  • 正文语种 eng
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  • 关键词

    Titanium-niobium alloy; Anodization; Annealing; Elastic modulus; Wettability;

    机译：钛铌合金;阳极氧化;退火;弹性模量;润湿性;

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