Waseem Haider, Norman Munroe
Nitinol usage for biomedical implant devices has received significant attention due to its high corrosion resistance and biocompatibility. However, surface treatments are known to affect surface charge, surface chemistry, morphology, wettability, and corrosion resistance. In this investigation, the corrosion resistance of a binary and various ternary Nitinol alloys was determined after being subjected to electropolishing, magnetoelectropolishing, and water boiling and passivation. Cyclic polarization in vitro corrosion tests were conducted in Phosphate Buffer Saline (PBS) in compliance with ASTM F 2129-08 before and after surface treatments. The concentrations of dissolved metal ions in the electrolyte were also determined by ICPMS. The study aims to evaluate the susceptibility to corrosion of Nitinol alloys and to improve their surface morphology and structure to inhibit nickel release, which is crucial for gaining wider acceptance of NiTi as an implantable material.
@article{a5d26217-910f-43f1-a000-36f1c8b58621,
title={Assessment of Corrosion Resistance and Metal Ion Leaching of Nitinol Alloys},
author={Waseem Haider and Norman Munroe},
year={2011},
language={en}
}TY - JOUR TI - Assessment of Corrosion Resistance and Metal Ion Leaching of Nitinol Alloys AU - Waseem Haider AU - Norman Munroe PY - 2011 LA - en ER -
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