Surface Properties and Erosion–Corrosion Behavior of Nanostructured Pure Titanium in Simulated Body Fluid
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Titanium and its alloys are used in several industries, especially in medical and dental applications. In the present study, the surface properties of nanostructured commercially pure titanium (CP-Ti) and its erosion–corrosion (E–C) behavior in simulated body fluid were studied. Equal-channel angular pressing (ECAP) was performed at a high temperature (400 °C) to produce nanostructured grain samples of CP-Ti. Then, the effects of ECAP passes on the E–C resistance under various conditions were investigated via weight loss measurements. Optical microscopy and transmission electron microscopy observations were performed to investigate the microstructural changes of the material. The surface roughness of the CP-Ti samples was evaluated using an optical profiling system. Mathematical equations of the modified Finnie model were employed for the analytical analysis of the E–C behavior. Additionally, computational fluid dynamics was utilized to model the E–C behavior of CP-Ti. Overall, the results showed that the ECAP process improved the E–C resistance of CP-Ti. A difference of 12 pct was observed between the experimental and numerical results of E–C resistance, which is acceptable for practical applications
The authors would like to acknowledge the financial support received from King Abdul-Aziz City for Science and Technology (KACST) for this work under Grant No. 35-89. The authors also gratefully acknowledge the support provided by Engineering College, Qassim University.
OMI and FD proposed the concept of this study; OMI, FD, and FAA conceived and designed the experiments; OMI and FAA performed the experiments; FAA and FD analyzed the data and interpreted the results; OMI wrote the paper; and FD reviewed the paper.
Conflict of interest
The authors declare no conflict of interest.
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