| 英文摘要 |
With a continuously increasing population in the aged group, large demands of metallic biomaterials are expected for many years to come. In recent years, Ti-base alloys have received much attention due to their excellent biocompatibility, good osseointegration, low density, superior corrosion resistance, and good balance of mechanical properties. E.g, Ti is clinically used for dental implants and dentures. CP-Ti alloy is considered to be a difficult metal to manufacture, mainly because of its high melting temperature (1670°C) and high chemical activation energy at high temperature. Another obstacle is its poor machinability, which prevents practical application of CP-Ti in dentistry, as working (e.g. cutting, grinding, and polishing) of dental prostheses in dental laboratories or chair-side is essential. |
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