Abstract
A coating technology was developed to form hydroxyapatite (HAp) films on the surface of titanium (Ti) plates using an ultrafine particle (UFP) beam. The UFP beam was composed of HAp particles of submicron size. The dependence of the film's formation on the beam's incident angle was also investigated. A thick HAp film was produced at an incident angle of 0°, but the film did not display good adhesion to the Ti plate. At incident angles of 40° and 60°, the HAp films formed were fine, although not as thick as that formed at 0°. The adhesion strength between the HAp film and the Ti plate was found to be higher than 20 MPa in the films formed at both 40° and 60°.
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