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Study Of Nickel Ion Release In Simulated Body Fluid From C+-Implanted Nickel Titanium Alloy

Author

Listed:
  • MUHAMMAD AHSAN SHAFIQUE

    (Centre for Advanced Studies in Physics, GC University, Lahore, Pakistan†Department of Physics, GC University, Lahore, Pakistan)

  • G. MURTAZA

    (Centre for Advanced Studies in Physics, GC University, Lahore, Pakistan)

  • SHAHZAD SAADAT

    (Centre for Advanced Studies in Physics, GC University, Lahore, Pakistan)

  • ZEESHAN ZAHEER

    (Centre for Advanced Studies in Physics, GC University, Lahore, Pakistan)

  • MUHAMMAD SHAHNAWAZ

    (Centre for Advanced Studies in Physics, GC University, Lahore, Pakistan)

  • MUHAMMAD K. H. UDDIN

    (#x2021;Department of Materials Science and Engineering, Kroto Research Institute, University of Sheffield, Sheffield S3 7HQ, UK)

  • RIAZ AHMAD

    (Centre for Advanced Studies in Physics, GC University, Lahore, Pakistan)

Abstract

Nickel ion release from NiTi shape memory alloy is an issue for biomedical applications. This study was planned to study the effect of C+ implantation on nickel ion release and affinity of calcium phosphate precipitation on NiTi alloy. Four annealed samples are chosen for the present study; three samples with oxidation layer and the fourth without oxidation layer. X-ray diffraction (XRD) spectra reveal amorphization with ion implantation. Proton-induced X-ray emission (PIXE) result shows insignificant increase in Ni release in simulated body fluid (SBF) and calcium phosphate precipitation up to 8×1013ions/cm2. Then Nickel contents show a sharp increase for greater ion doses. Corrosion potential decreases by increasing the dose but all the samples passivate after the same interval of time and at the same level of VSCE in ringer lactate solution. Hardness of samples initially increases at greater rate (up to 8×1013ions/cm2) and then increases with lesser rate. It is found that 8×1013ions/cm2 (≈1014) is a safer limit of implantation on NiTi alloy, this limit gives us lesser ion release, better hardness and reasonable hydroxyapatite incubation affinity.

Suggested Citation

  • Muhammad Ahsan Shafique & G. Murtaza & Shahzad Saadat & Zeeshan Zaheer & Muhammad Shahnawaz & Muhammad K. H. Uddin & Riaz Ahmad, 2016. "Study Of Nickel Ion Release In Simulated Body Fluid From C+-Implanted Nickel Titanium Alloy," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 23(05), pages 1-6, October.
    • Handle: RePEc:wsi:srlxxx:v:23:y:2016:i:05:n:s0218625x16500451
    DOI: 10.1142/S0218625X16500451
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