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. 2004 Jul;39(4):306-8.

[The experimental study on sol-gel technique of coating titanium]

[Article in Chinese]
Fu-qiang Zhang  1 , Bin Hu
Affiliations
  • PMID: 15454016

[The experimental study on sol-gel technique of coating titanium]

[Article in Chinese]
Fu-qiang Zhang et al. Zhonghua Kou Qiang Yi Xue Za Zhi. 2004 Jul.

Abstract

Objective: The aim of this study was to establish sol-gel technique of coating titanium on the surface of Ni-Cr alloy (PFM) in order to enhance corrosion resistance and reduce corrosive rate in oral cavity.

Methods: The sol-gel technique included four steps: (1) pre-treatment; (2) preparation of sol; (3) coating; (4) heat treatment. Elements on the surface of Ni-Cr alloy were analyzed with X-ray photoelectron spectroscopy.

Results: After coating Ti, the surface of Ni-Cr alloy looked light golden without particles, blisters and fragments. Besides Ni and Cr, titanium was found on surface of Ni-Cr alloy after coating. With Ar(+) ion carving-corrosion figure, the thickness of titanium was about 20 - 80 microm.

Conclusion: With sol-gel technique, titanium could be coated on the surface of Ni-Cr alloy.

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