Thin hydroxyapatite coating produced by the ion beam dynamic mixing method

An ion beam dynamic mixing (IBDM) method was used to produce thin hydroxyapatite coatings on titanium substrates. Structure, solubility and bond strength of coatings were evaluated. The hydroxyapatite-type structure was obtained from heat-treated coatings. As-coated coatings seemed to be almost diss...

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Bibliographic Details
Published in:Biomaterials 1994-06, Vol.15 (7), p.529-535
Main Authors: Yoshinari, Masao, Ohtsuka, Yoshiro, Dérand, Tore
Format: Article
Language:English
Subjects:
Biological and medical sciences
Biomechanical Phenomena
bond strength
Calcium - chemistry
coatings
Durapatite - chemistry
Electron Probe Microanalysis
Hydroxyapatite
ion beam dynamic mixing methods
Medical sciences
Phosphorus - chemistry
Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)
Solubility
Spectrometry, X-Ray Emission
Spectrophotometry, Infrared
Technology. Biomaterials. Equipments. Material. Instrumentation
Temperature
Tensile Strength
Titanium - chemistry
X-Ray Diffraction
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Summary:An ion beam dynamic mixing (IBDM) method was used to produce thin hydroxyapatite coatings on titanium substrates. Structure, solubility and bond strength of coatings were evaluated. The hydroxyapatite-type structure was obtained from heat-treated coatings. As-coated coatings seemed to be almost dissolved within 1 d in Hanks' solution. The thin layer of films, however, was recognized with a firm intermediate compound (such as Ti 3P 4) to the substrate by X-ray photoelectron spectroscopy, indicating the high tensile bond strengths from the as-coated films. Although slight reductions of the bond strength were observed in heat-treated specimens, the strengths were not reduced by immersion in Hanks' solution for 30 d.
ISSN:0142-9612
1878-5905
DOI:10.1016/0142-9612(94)90019-1