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Date of Award
Campus Access Master's Thesis
Master of Science in Mechanical Engineering (MS)
Administrative Home Department
Department of Mechanical Engineering-Engineering Mechanics
Committee Member 1
Committee Member 2
Titanium nanotubes (TiNTs) have been shown to improve the osseointegration of titanium implants, but are grown across the entire surface in traditional anodization- even in undesired locations. Floating anodization, a novel anodization technique where unconnected Ti sample(s) were anodized by the electric field generated between two or more graphite electrodes, was able to affect the location and degree of nanotube formation by controlling the secondary factors influencing the current density field strength and direction. Other considerations, including electrode depth and Joule heating, relevant to creating a robust manufacturing process were also investigated. Time-stationary COMSOL models of the electrochemical cell were developed to both understand floating anodization and effectively predict nanotube formation. Future work should concentrate on an industrial implementation of this process since complex electrode arrangements may be used to precisely control the formation and inhibition of nanotubes across an implant surface.
Poynor, Derryl, "Controlling the Formation of Titanium Nanotubes using Electric Fields", Campus Access Master's Thesis, Michigan Technological University, 2018.