The Effect of Potential on Surface Characteristic and Corrosion Resistance of Commercial Pure Titanium Processed by Anodic Oxidation Treatment

2018 ◽  
Vol 941 ◽  
pp. 1692-1697
Author(s):  
Tian Lin Fu ◽  
Shan Liu ◽  
Yan Gao ◽  
Zhao Lin Zhan
Keyword(s):  
Corrosion Resistance ◽  
Anodic Oxidation ◽  
Photoelectron Spectroscopy ◽  
Pure Titanium ◽  
Surface Characteristic ◽  
Electrode Impedance ◽  
Oxidation Treatment ◽  
Anodic Potential ◽  
Commercial Pure Titanium ◽  
Anodic Oxidation Treatment

Anodic oxidation treatment of commercial pure titanium was carried out at the voltage of 30, 50 V in 0.5 M H2SO4 solution so as to obtain the effects of the anodic potential on the surface characteristic and corrosion resistance of passive film. The morphology and corrosion resistance of the treated samples were investigated using scanning electron microscopy (SEM), atomic force microscope (AFM), X-ray photoelectron spectroscopy (XPS), potentiodynamic polarization curves and electrode impedance spectroscopy (EIS). The results show that increasing anodic potential can significantly enhance the corrosion resistance of commercial pure titanium.

scholarly journals The Effect of Potential on Surface Characteristic and Corrosion Resistance of Anodic Oxide Film Formed on Commercial Pure Titanium at the Potentiodynamic-Aging Mode

Materials ◽  
2019 ◽  
Vol 12 (3) ◽  
pp. 370 ◽  
Author(s):  
Ling Zhang ◽  
Yanqing Duan ◽  
Rui Gao ◽  
Jianyun Yang ◽  
Keyi Wei ◽  
...  
Keyword(s):  
Corrosion Resistance ◽  
Oxide Film ◽  
Photoelectron Spectroscopy ◽  
Pure Titanium ◽  
Anodic Oxide ◽  
Surface Characteristic ◽  
Anodic Oxide Film ◽  
Electrode Impedance ◽  
X Ray ◽  
Anodic Potential

Anodic oxidation treatment of commercially pure titanium was carried out at the voltages of 10, 30, 50 V in 0.5 M H2SO4 solution at the potentiodynamic-aging mode so as to obtain the effects of the anodic potential on the surface characteristic and corrosion resistance of the anodic oxide film. The influences of potential on the surface morphology, the roughness, the crystalline behavior, the chemical composition and the corrosion resistance of the anodic oxide films were investigated by using scanning electron microscopy (SEM), atomic force microscope (AFM), Raman spectrum, X-ray diffractometry (XRD), X-ray photoelectron spectroscopy (XPS), potentiodynamic polarization curves and electrode impedance spectroscopy (EIS). The results show that increasing anodic potential at the potentiodynamic-aging mode can significantly enhance thickness, flatness, crystallization, chemical stability, and corrosion resistance of anodic oxide film.

Corrosion Resistance and Blood Compatibility of AZ31B Mg Alloy with Anodic Oxidation/TiO2 Composite Film

2015 ◽  
Vol 23 ◽  
pp. 1-8 ◽  
Author(s):  
Hong Hong Shao ◽  
Zi Hong Zhu ◽  
Xue Li Liu
Keyword(s):  
Corrosion Resistance ◽  
Composite Film ◽  
Anodic Oxidation ◽  
Blood Compatibility ◽  
Corrosion Current ◽  
Mg Alloy ◽  
Clotting Time ◽  
Oxidation Treatment ◽  
Anodic Oxidation Treatment ◽  
The One

The anodic oxidation/TiO2 composite film was prepared on the surface of AZ31B Mg alloy by DC magnetron sputtering. The corrosion resistance and blood compatibility of the film were systematically studied by electrochemical, dynamic clotting time and platelet adhesion test. The results shows that the corrosion current of AZ31B Mg alloy was 6.409×10-8A/cm2 after anodic oxidation treatment, which has decreased 4 orders of magnitude compared to the untreated samples and the corrosion resistance is improved greatly. The clotting time of anodic oxidation/TiO2 film is about 53 min, which has increased 1.3 times compared to anodic oxidation film (40min). Platelets adhesion to anodic oxidation/TiO2 film are less than the one adhesion to anodic oxidation film, and there are no pseudopodia and aggregation, which indicate that the blood compatibility of anodic oxidation/TiO2 film is better than anodic oxidation film.

Research Progress on Organic Additives in the Anodic Oxidation Process of Magnesium and its Alloys

2013 ◽  
Vol 341-342 ◽  
pp. 187-190
Author(s):  
Wei Zhang
Keyword(s):  
Mechanical Properties ◽  
Corrosion Resistance ◽  
Anodic Oxidation ◽  
Oxidation Process ◽  
Physical And Mechanical Properties ◽  
Research Progress ◽  
Organic Additives ◽  
Oxidation Treatment ◽  
Anodic Oxidation Treatment ◽  
Anodic Oxidation Process

Magnesium and its alloys have excellent physical and mechanical properties for a number of applications. Unfortunately, magnesium and its alloys are highly susceptible to corrosion, which greatly restricts their further application. Anodic oxidation treatment is an effective method to improve the corrosion resistance of magnesium and its alloys. In the anodic oxidation process, organic additives have significantly effects on the performance of the oxide film. This paper reviews the research progress on organic additives, in order to provide some references for the research of the electrolyte in the anodic oxidation process of magnesium and its alloys.

Investigation of the Preparation of Anodized Nanoporous Alumina Array

2014 ◽  
Vol 887-888 ◽  
pp. 766-769 ◽  
Author(s):  
Huey Ling Chang ◽  
Chih Ming Chen ◽  
Chin Huang Sun ◽  
Jin Shyong Lin
Keyword(s):  
Anodic Oxidation ◽  
Self Assembly ◽  
Aluminum Surface ◽  
Nanostructured Film ◽  
Oxidation Treatment ◽  
Anodic Aluminum ◽  
Nanoporous Template ◽  
Anodic Oxidation Treatment ◽  
Stable Control

This study produced a regularly arranged membrane, called anodic aluminum oxide (referred AAO), by mean of anodic oxidation treatment. The structure of AAO can be molecular self-assembly and its pore size is consistent. Also, the manufacturing process cost is low. These properties make the AAO be a nanotemplate material. This study further created a high quality of nanostructured film by electrochemical mould with the design of electrolyzer. In addition, a uniform nanothin film was grown on the aluminum surface in the stable control of current and temperature according to the conditions of different anode treatment. This film can form a nanopore array which the diameter can be controlled the size ranging from 15 nm to 400 nm. As results, the study can produce nanoporous template for various aperture by mean of anodic oxidation.

Preparation of Bioactive Tantalum Metal via Anodic Oxidation Treatment

2007 ◽  
pp. 637-640
Author(s):  
Bang Cheng Yang ◽  
L. Gan ◽  
Zhen Sheng Li ◽  
Y. Huang ◽  
Yang Qu ◽  
...  
Keyword(s):  
Anodic Oxidation ◽  
Oxidation Treatment ◽  
Tantalum Metal ◽  
Anodic Oxidation Treatment

Increase in Corrosion Resistance of Commercial Pure Titanium by Anode Plasma Electrolytic Nitriding

2016 ◽  
Vol 844 ◽  
pp. 125-132 ◽  
Author(s):  
Pavel N. Belkin ◽  
Sergei A. Kusmanov ◽  
V.S. Belkin ◽  
V.I. Parfenyuk
Keyword(s):  
Corrosion Resistance ◽  
Ammonium Chloride ◽  
Pure Titanium ◽  
Oxide Coating ◽  
Strength Properties ◽  
Additional Advantage ◽  
Commercial Pure Titanium ◽  
Plasma Electrolytic Treatment ◽  
Plasma Electrolytic ◽  
Corrosive Environments

Features of the anode electrolytic plasma processing of commercial pure titanium and its alloys in aqueous solutions of ammonium chloride and ammonia additives are studied. It is identified that structure of modified layer contains an external TiO2 or TiO layer with micropores of up to 100 nm and a diffusion sub-layer after nitriding in the solution with the ammonia addition. Some increase in the surface microhardness is found. The plasma electrolytic treatment of titanium makes it possible to enhance its corrosion resistance by short-term (5 min) saturation with nitrogen at 750 °C in an electrolyte containing 5% ammonia and 10% ammonium chloride. The oxide coating formed during the anodic treatment has a positive effect on the corrosion resistance of titanium and results in reduce of the corrosion rate by two orders under continuous tests. Saturation of titanium samples with nitrogen leads to an increase in their strength properties after corrosion tests with a slight decrease in ductility. An additional advantage of this coating is to reduce of leaching of alloying elements from samples in corrosive environments.

scholarly journals Enhancement of pure titanium localized corrosion resistance by anodic oxidation

2017 ◽  
Vol 69 (4) ◽  
pp. 503-509 ◽  
Author(s):  
Davide Prando ◽  
Andrea Brenna ◽  
MariaPia Pedeferri ◽  
Marco Ormellese
Keyword(s):  
Corrosion Resistance ◽  
Anodic Oxidation ◽  
Pure Titanium ◽  
Localized Corrosion
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