Synthesis and characterization of Ti
By MUTLU, Ilven
Published in Transactions of Nonferrous Metals Society of China
NULL
2016
Abstract
Abstract Highly porous Ti-Co alloy specimens for biomedical applications were synthesized by powder metallurgy based space holder technique. Ti alloys have high melting temperature and affinity for oxygen, which makes Ti alloys difficult to be processed. The Co addition reduces the melting temperature and Ti-Co alloy was sintered at lower temperatures. The electrochemical corrosion behaviour of the specimens was examined in the artificial saliva solution. The effects of Co content of the alloy, the pH value and fluoride concentration of the artificial saliva solution on the electrochemical corrosion properties of the specimens were investigated. The microstructure and mechanical properties of the specimens were examined. The electrochemical impedance spectroscopy results indicate that the corrosion resistance of the specimens decreases at high fluoride concentrations and low pH value. The defect density increases with increasing the fluoride concentration and decreasing the pH value of artificial saliva according to Mott-Schottky analysis.
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