Abstract
Effects of Sintering Temperature on Structural, Morphological, and Mechanical Properties of Co-Cr-Mo Alloys Coated with ZrO2 Ceramic Films
Highlights
In recent years, Co-Cr-Mo alloys have been widely used for medical implant applications including the replacements of human joints and dental treatments.[1,2,3] In particular, as dental applications, Co-Cr-Mo alloys are practically applied in the base plates in complete dentures, bridgeworks, and dental implants
ZrO2 films were coated on Co-Cr-Mo substrates by screen printing and spraying
Regardless of whether screen printing or spraying was used, there were many thickplate and equiaxed rhombohedral columnar structures formed on the sample after sintering at 900 and 1100 °C, whereas only a few thin-plate structures were formed during sintering at 750 °C
Summary
Co-Cr-Mo alloys have been widely used for medical implant applications including the replacements of human joints (hip joint and knee) and dental treatments.[1,2,3] In particular, as dental applications, Co-Cr-Mo alloys are practically applied in the base plates in complete dentures, bridgeworks, and dental implants This is because of the many advantages of Co-Cr-Mo alloys, including good mechanical properties, excellent wear resistance, superior corrosion resistance, and extremely high biocompatibility with the human body. The passive oxide film generated on the surface of Co-Cr-Mo alloys can suppress the dissolution of metal ions, when Co-Cr-Mo alloys are immersed in various solutions and biological environments, the Co element is dissolved This will result in the instability of the oxide film in the human body. They migrate through the tissue, which is very detrimental to the human body
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