PREPARATION AND MECHANISM OF CONTROLLABLE MICROPORES ON BIOCERAMIC TiO2 COATINGS BY PLASMA ELECTROLYTIC OXIDATION-Reference-Cited by-同舟云学术

PREPARATION AND MECHANISM OF CONTROLLABLE MICROPORES ON BIOCERAMIC TiO2 COATINGS BY PLASMA ELECTROLYTIC OXIDATION

Published:2013-10 Issue:05 Volume:20 Page:1350051
ISSN:0218-625X
Container-title:Surface Review and Letters
language:en
Short-container-title:Surf. Rev. Lett.

Author:

WANG HONG-YUAN¹²³,ZHU RUI-FU¹²,LU YU-PENG¹²,XIAO GUI-YONG¹²,MA JIE⁴,YUAN Y. F.⁵

Affiliation:

1. Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, Shandong University, Ji'nan 250061, China

2. School of Materials Science and Engineering, Shandong University, Ji'nan 250061, China

3. Jinan Vocational College, Ji'nan 250103, China

4. New Material Institute, Shandong Academy of Sciences, Ji'nan 250014, China

5. Department of Materials Science and Engineering, Michigan Technological University, Houghton MI 49931, USA

Abstract

Porous titania coatings with Ca and P elements were synthesized by plasma electrolytic oxidation (PEO). The treatment was carried out in an electrolyte containing calcium acetate monohydrate and disodium phosphate dodecahydrate ( Ca / P = 5), and 4–20 μm micropores were prepared on the coatings by applied pulse frequencies of 200–1000 Hz. The surface structure, chemical composition of the TiO 2 coatings, and time-dependent variation of electric currents were studied. The result revealed that the coating micropores, which could be controlled in size, increased with higher frequency, and the coatings mainly consisted of anatase and rutile phases with varying fractions. Based on our experiment, the formation mechanism of micropores and phases of the PEO coatings was further discussed in details.

Publisher

World Scientific Pub Co Pte Lt

Subject

Materials Chemistry,Surfaces, Coatings and Films,Surfaces and Interfaces,Condensed Matter Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0218625X13500510

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