Basic Electrochemical Behavior of Ti-7Cu Alloys for Medical Applications

Abstract

The aim of this study was to investigate the e ects of two di erent treatments, as-cast setup and solution heat treatment, on the general electrochemical corrosion resistance of Ti 7Cu alloy samples immersed in a 0.9 wt% NaCl solution at 25 • C. The microstructure was examined by scanning electron microscopy and X-ray di ractometry. Corrosion behavior was tested by potentiodynamic polarization curves. Finer α ′ martensite and Ti2Cu intermetallic particles were provided by casting and heat treated processes, respectively. The results indicated that only corrosion potential is signi cantly more noble in the heat treated sample, but other characteristics are only slightly di erent.

Effect of Sn addition on the corrosion behavior of Ti–7Cu–Sn cast alloys for biomedical applications

“…Recently, very similar I pp measurements have also been obtained for Ti 7 Cu alloys [13,22]. Although a strongly protective Ti oxide film forms on the surface of such samples, the high values of I pp suggest that this oxide can be more defective or porous, which can be helpful to the osseointegration process.…”

“…So, it has incorporated into the surface of a variety of biomaterials [9,10]. Another, many attempts have been made to develop new Ti-Cu system alloys to achieve better performance [11][12][13][14][15][16][17][18][19][20]. Investigations by Kikuchi et al have shown that Ti-Cu alloys may offer very high mechanical strength associated with good formability [11] and a comparatively lower melting temperature [11,12], which makes it applicable to dental casting processes.…”

“…Investigations by Kikuchi et al have shown that Ti-Cu alloys may offer very high mechanical strength associated with good formability [11] and a comparatively lower melting temperature [11,12], which makes it applicable to dental casting processes. Tsao [13] showed that the corrosion potential of heattreated Ti 7 Cu alloy is significantly nobler than that of an as-cast sample, but other characteristics are only slightly different. Takada and Okuno [14] noted that precipitation of Ti 2 Cu contributes to a small increase in corrosion current density.…”

Effects of Different Electrolytes on Microstructure and Antibacterial Properties of Microarc Oxidized Coatings of CP-Ti

“…They have excellent properties, such as high specific strength, good formability, corrosion resistance, non-toxicity, and excellent biocompatibility [1], [2]. New titanium alloys for biomaterials such as Ti-Nb [3], Ti-Cu [4], Ti-Cu-Sn [5] have been developed.…”

Spectroscopic Characterization of Titanium Alloy Surface in a Biological Medium

“…Titanium and its alloys are widely used because of their interesting properties, especially their excellent corrosion resistance due to high chemical inertness, combined with low density compared to steel [1][2][3][4][5][6]. Applications of titanium alloys in the medical field as implants or prostheses among other uses [7][8][9][10][11][12] led to define for the purposes of research, simulated biological media to the human body with concentrations equal to that of ions, like blood plasma.…”