Sol-gel derived hydroxyapatite coatings on titanium substrate
Biomaterials, in particular those used for orthopaedic prostheses, consist of a metallic substrate, exhibiting excellent mechanical properties, coated with a ceramic layer, which guarantees resistance to the corrosion and an elevated bioactivity. In this paper the preparation of sol-gel films of hyd...
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| Veröffentlicht in: | Journal of materials science 2000-06, Vol.35 (11), p.2791-2797 |
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| creator | Montenero, A Gnappi, G Ferrari, F Cesari, M Salvioli, E Mattogno, L Kaciulis, S Fini, M |
| description | Biomaterials, in particular those used for orthopaedic prostheses, consist of a metallic substrate, exhibiting excellent mechanical properties, coated with a ceramic layer, which guarantees resistance to the corrosion and an elevated bioactivity. In this paper the preparation of sol-gel films of hydroxyapatite, HA (Ca10(PO4)6(OH)2), on titanium substrate is described. The samples were obtained through the dip-coating method, starting from a colloidal suspension of hydroxyapatite. In order to increase the adhesion between the HA film and the metallic substrate, the same substrate has been preliminarily coated either with titanium oxide, TiO2 (in the anatase or rutile phase), or calcium titanate, CaTiO3 (perovskite). Also these latter films have been deposited from a sol-gel solution. The characterization of the films through XRD, SEM, and AFM gave good results for the crystallinity of the deposited HA; for what concerns the sample morphology, the films turned out to be homogeneous and crack-free. |
| doi_str_mv | 10.1023/A:1004738900778 |
| format | Article |
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The characterization of the films through XRD, SEM, and AFM gave good results for the crystallinity of the deposited HA; for what concerns the sample morphology, the films turned out to be homogeneous and crack-free.</description><identifier>ISSN: 0022-2461</identifier><identifier>EISSN: 1573-4803</identifier><identifier>DOI: 10.1023/A:1004738900778</identifier><language>eng</language><publisher>New York: Springer Nature B.V</publisher><subject>Anatase ; Biocompatibility ; Biomedical materials ; Calcium titanate ; Ceramic coatings ; Corrosion resistance ; Dip coatings ; Hydroxyapatite ; Immersion coating ; Materials science ; Mechanical properties ; Morphology ; Perovskites ; Prostheses ; Protective coatings ; Sol-gel processes ; Substrates ; Surgical implants ; Titanium ; Titanium dioxide ; Titanium oxides</subject><ispartof>Journal of materials science, 2000-06, Vol.35 (11), p.2791-2797</ispartof><rights>Journal of Materials Science is a copyright of Springer, (2000). 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The characterization of the films through XRD, SEM, and AFM gave good results for the crystallinity of the deposited HA; for what concerns the sample morphology, the films turned out to be homogeneous and crack-free.</description><subject>Anatase</subject><subject>Biocompatibility</subject><subject>Biomedical materials</subject><subject>Calcium titanate</subject><subject>Ceramic coatings</subject><subject>Corrosion resistance</subject><subject>Dip coatings</subject><subject>Hydroxyapatite</subject><subject>Immersion coating</subject><subject>Materials science</subject><subject>Mechanical properties</subject><subject>Morphology</subject><subject>Perovskites</subject><subject>Prostheses</subject><subject>Protective coatings</subject><subject>Sol-gel processes</subject><subject>Substrates</subject><subject>Surgical implants</subject><subject>Titanium</subject><subject>Titanium dioxide</subject><subject>Titanium oxides</subject><issn>0022-2461</issn><issn>1573-4803</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNqNj01LxDAURYMoOI6u3RYEd9WXvKRJBBfDMH7AgAt1XdLmdezQaWrTivPvrejKlasLl8PhXsbOOVxxEHi9uOEAUqOxAFqbAzbjSmMqDeAhmwEIkQqZ8WN2EuMWAJQWfMZun0OTbqhJPPX1B_nkbe_78Ll3nRvqgZIyTNluYhLaZCpcW4-7JI5FHHo30Ck7qlwT6ew35-z1bvWyfEjXT_ePy8U67YTEIVXTKLRUGaxcZQAICyucsh6lV1oTh1KD9UDWEEpuDVhXKJ9xQl-aAnHOLn-8XR_eR4pDvqtjSU3jWgpjzIXWqKzJ_gNyzfm38eIPuA1j304nciGUtYAWJH4BSU9k6g</recordid><startdate>20000601</startdate><enddate>20000601</enddate><creator>Montenero, A</creator><creator>Gnappi, G</creator><creator>Ferrari, F</creator><creator>Cesari, M</creator><creator>Salvioli, E</creator><creator>Mattogno, L</creator><creator>Kaciulis, S</creator><creator>Fini, M</creator><general>Springer Nature B.V</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>7QQ</scope><scope>7SP</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>8BQ</scope></search><sort><creationdate>20000601</creationdate><title>Sol-gel derived hydroxyapatite coatings on titanium substrate</title><author>Montenero, A ; 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| subjects | Anatase Biocompatibility Biomedical materials Calcium titanate Ceramic coatings Corrosion resistance Dip coatings Hydroxyapatite Immersion coating Materials science Mechanical properties Morphology Perovskites Prostheses Protective coatings Sol-gel processes Substrates Surgical implants Titanium Titanium dioxide Titanium oxides |
| title | Sol-gel derived hydroxyapatite coatings on titanium substrate |
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