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

被引：33

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.

引用

页数：10

共 45 条

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