Paper Title:
Research on Growth Process and Microstructure of Microarc Oxidation Coating on Titanium
  Abstract

Porous ceramic layer was deposited on pure titanium substrate by micro-arc oxidation(MAO). XRD and SEM were employed to characterize the phase composition and microstructure of the film. The effects of micro-arc oxidation time on microstructure and phase composition of TiO2 coating were analysed. The results show that, with the increase of oxidation time, the number of micro-pores decreases, while the size of micro-pores, roughness and thickness of MAO coating increase.MAO coating shows dentrites grew, but not traditionally nucleation and grow. Oxidation coating growth inward, while at the same time to growth outward. Grow into a dense ceramic membrane layer inward, outward growth into the porous layer. The coating is mainly composed of Ti, anatase and the rutile phases.

  Info
Periodical
Advanced Materials Research (Volumes 383-390)
Chapter
Chapter 7: Machining
Edited by
Wu Fan
Pages
1905-1909
DOI
10.4028/www.scientific.net/AMR.383-390.1905
Citation
S. J. Li, J. Hu, X. M. Cao, "Research on Growth Process and Microstructure of Microarc Oxidation Coating on Titanium", Advanced Materials Research, Vols. 383-390, pp. 1905-1909, 2012
Online since
November 2011
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Price
$32.00
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