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Title: Laser surface modification of Nickel-titanium (NiTi) alloy biomaterials to improve biocompatibility and corrosion resistance
Authors: Ng, KW
Man, HC 
Keywords: Biocompatibility
Cell adhesion analysis
Laser surface alloying
Molybdenum (Mo)
Nickel-titanium (NiTi)
Issue Date: 2012
Publisher: Woodhead Pub.
Source: In CT Kwok (Ed.), Laser surface modification of alloys for corrosion and erosion resistance, p. 124-151. Sawston, Cambridge, UK ; Philadelphia: Woodhead Pub., 2012 How to cite?
Abstract: This chapter investigates the feasibility of applying a laser surface alloying technique to improve the corrosion resistance and biocompatibility of nickel-titanium (NiTi) in simulated body fluid. It summarizes the result of laser surface modification of NiTi with Mo using a CO2 laser into three sections. The microstructure, chemical composition, surface morphology, hardness, corrosion resistance, nickel release rate, wettability, bone-like apatite formation and cell adhesion behavior of the surface alloyed layer were analyzed using scanning electron microscopy (SEM), energy dispersive analysis by X-rays (EDAX), X-ray diffractometry (XRD), Vicker's microhardness, polarization tests, atomic absorption spectrometry, sessile drop technique, immersion test and cell adhesion analysis.
ISBN: 0857090151
9780857095831 (online)
DOI: 10.1016/B978-0-85709-015-7.50005-1
Appears in Collections:Book Chapter

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