In situ hydrothermal synthesis of oxide film on NiTi for improving corrosion resistance in Hanks' solution

M. H. Wong; F. T. Cheng; Hau Chung Man

doi:10.1016/j.scriptamat.2006.10.014

In situ hydrothermal synthesis of oxide film on NiTi for improving corrosion resistance in Hanks' solution

M. H. Wong, F. T. Cheng, Hau Chung Man

Research output: Journal article publication › Journal article › Academic research › peer-review

40 Citations (Scopus)

Abstract

Hydrothermal treatment was used to grow oxide film on NiTi to improve corrosion resistance. The film was smooth and about 56 nm thick. X-ray photoelectron spectroscopy indicated that the surface atomic ratio Ni/Ti was reduced from 0.30 to less than 0.01 after treatment. The film was composed of Ti oxides, with a small amount of Ni. After hydrothermal treatment, corrosion resistance in Hanks' solution was significantly increased as indicated by electrochemical impedance spectroscopy and polarization tests, and crevice corrosion test.

Original language	English
Pages (from-to)	205-208
Number of pages	4
Journal	Scripta Materialia
Volume	56
Issue number	3
DOIs	https://doi.org/10.1016/j.scriptamat.2006.10.014
Publication status	Published - 1 Feb 2007

Keywords

Corrosion
Hydrothermal synthesis
NiTi
Titanium oxide
XPS

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
General Materials Science
Metals and Alloys

More information

10.1016/j.scriptamat.2006.10.014

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abstract = "Hydrothermal treatment was used to grow oxide film on NiTi to improve corrosion resistance. The film was smooth and about 56 nm thick. X-ray photoelectron spectroscopy indicated that the surface atomic ratio Ni/Ti was reduced from 0.30 to less than 0.01 after treatment. The film was composed of Ti oxides, with a small amount of Ni. After hydrothermal treatment, corrosion resistance in Hanks' solution was significantly increased as indicated by electrochemical impedance spectroscopy and polarization tests, and crevice corrosion test.",

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AB - Hydrothermal treatment was used to grow oxide film on NiTi to improve corrosion resistance. The film was smooth and about 56 nm thick. X-ray photoelectron spectroscopy indicated that the surface atomic ratio Ni/Ti was reduced from 0.30 to less than 0.01 after treatment. The film was composed of Ti oxides, with a small amount of Ni. After hydrothermal treatment, corrosion resistance in Hanks' solution was significantly increased as indicated by electrochemical impedance spectroscopy and polarization tests, and crevice corrosion test.

KW - Corrosion

KW - Hydrothermal synthesis

KW - NiTi

KW - Titanium oxide

KW - XPS

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JO - Scripta Materialia

JF - Scripta Materialia

IS - 3

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In situ hydrothermal synthesis of oxide film on NiTi for improving corrosion resistance in Hanks' solution

Abstract

Keywords

ASJC Scopus subject areas

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