Anti-Corrosion Properties of Nitrogen and Oxygen Plasma-Implanted Nickel-Titanium Shape Memory Alloy

J.P.Y. Ho; R.W.Y. Poon; Y.T. Xie; P.C.T. Ha; Paul K. Chu

doi:10.4028/www.scientific.net/SSP.107.111

Paper Titles

Efficiency of Energy Transfer in a Small Plasma Focus Device
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Sterilization Performance of Ultraviolet Emission from Laser Plasmas
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Formation and Characteristics of the Low Dielectric Carbon Doped Silicon Oxide Thin Film Deposited by MTMS/O₂ – ICPCVD
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Ion Beam Modification of Carbon Materials
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Anti-Corrosion Properties of Nitrogen and Oxygen Plasma-Implanted Nickel-Titanium Shape Memory Alloy
p.111

Structural and Conductive Changes of Alumina Ceramics and Silicon Crystal Implanted with High-Flux Ti Ion
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Atmospheric Pressure Plasma Jets for 2D and 3D Materials Processing
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Plasma Treatment of Silk
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Diamond-Like Carbon Formed by Plasma Immersion Ion Implantation and Deposition Technique on 304 Stainless Steel
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HomeSolid State PhenomenaSolid State Phenomena Vol. 107Anti-Corrosion Properties of Nitrogen and Oxygen...

Anti-Corrosion Properties of Nitrogen and Oxygen Plasma-Implanted Nickel-Titanium Shape Memory Alloy

Abstract:

Nickel-titanium shape memory alloys (NiTi) have potential applications as orthopedic implants but out-diffusion of harmful Ni from the NiTi substrate during prolonged use inside a human body is a serious issue and the problem must be solved before the materials can be more widely used in orthopedics. In this work, we produce TiN and TiOx barrier layers by plasma immersion ion implantation (PIII) and study the effects of different working voltages (20kV, 30kV, and 40kV). The corrosion resistance of the plasma-treated materials is found to be much improved and the optimal processing windows are described in this paper.

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Solid State Phenomena (Volume 107)

Pages:

111-114

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.107.111

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Online since:

October 2005

Authors:

J.P.Y. Ho, R.W.Y. Poon, Y.T. Xie, P.C.T. Ha, Paul K. Chu

Keywords:

Corrosion Resistance, NiTi Shape Memory Alloy (SMA), Plasma Immersion Ion Implantation

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