Improving structural, tribological and electrochemical properties of Ti6Al4V alloy with B-doped TiO2 thin films

被引：37
作者：
Celik, A. [1 ]
Acar, M. T. [1 ]
Yetim, T. [2 ]
Kovaci, H. [1 ]
Yetim, A. F. [3 ]
机构：
[1] Ataturk Univ, Fac Engn, Dept Mech Engn, Erzurum, Turkey
[2] Erzurum Tech Univ, Fac Engn & Architecture, Dept Chem Engn, Erzurum, Turkey
[3] Erzurum Tech Univ, Fac Engn & Architecture, Dept Mech Engn, Erzurum, Turkey
来源：
TRIBOLOGY INTERNATIONAL | 2020年 / 146卷 / 146期
关键词：
TiO2; Ceramic coating; B-doping; Wear; Friction; Corrosion; BORON-NITRIDE NANOTUBES; PHOTOCATALYTIC ACTIVITY; STAINLESS-STEEL; SLIDING WEAR; CORROSION; SOL; TITANIUM; BIOCOMPATIBILITY; BEHAVIOR; TEMPERATURE;
D O I：
10.1016/j.triboint.2020.106210
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
B-doped TiO2 coatings with different B:Ti molar ratios were produced on Ti6Al4V alloy by a sol-gel dip-coating in order to improve tribological and electrochemical properties of Ti6Al4V. The properties of films were evaluated by XRD, XPS, SEM, surface tension-meter, tribotester and EIS. The highest roughness and hardness were obtained from B:Ti molar ratio of 2:1 TiO2 thin-film. TiO2 and B-doped TiO2 improved the wear resistance. While the mean CoF of Ti6Al4V was 0.39, TiO2 films reduced CoF significantly. B-doped TiO2 showed higher wear resistance than substrate and TiO2 film. Corrosion resistance was enhanced by TiO2 and the increasing B molar ratio provided improvement. The surface state changed after coatings. While TiO2 film showed hydrophobic behavior, B-doped all films exhibited hydrophilic characteristics.
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页数：10
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