Preparation and Microstructure Characterization of Anodic Spark Deposited Barium Titanate Conversion Layers
Anodic spark deposition (ASD) is an advanced plasma-electrochemical coating process to prepare polycrystalline, ceramic-like conversion coatings on metal surfaces. As an example, polycrystalline barium titanate (BaTiO3) phases have been prepared by the anodic conversion of metal substrate and the me...
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| Veröffentlicht in: | Journal of Materials Research 1999-04, Vol.14 (4), p.1437-1443 |
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| container_title | Journal of Materials Research |
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| creator | Schreckenbach, J. Schlottig, F. Marx, G. Kriven, W. M. Popoola, O. O. Jilavi, M. H. Brown, S. D. |
| description | Anodic spark deposition (ASD) is an advanced plasma-electrochemical coating process to prepare polycrystalline, ceramic-like conversion coatings on metal surfaces. As an example, polycrystalline barium titanate (BaTiO3) phases have been prepared by the anodic conversion of metal substrate and the metal ions in the electrolyte. By a combination of various characterization techniques, the configuration of the coating was elucidated. On the metal substrate a thin (~50 nm) passivating amorphous film of titania (TiO2) first forms, which subsequently changes to anatase and rutile structures. With increasing anodic potentials, a plasma-chemical conversion reaction starts, leading to the heterogeneous formation of BaTiO3 layers of 2–10 μm thickness. The results of this study lead to the formulation of a model describing a polycrystalline and inhomogeneous layer configuration. |
| doi_str_mv | 10.1557/JMR.1999.0194 |
| format | Article |
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With increasing anodic potentials, a plasma-chemical conversion reaction starts, leading to the heterogeneous formation of BaTiO3 layers of 2–10 μm thickness. 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On the metal substrate a thin (~50 nm) passivating amorphous film of titania (TiO2) first forms, which subsequently changes to anatase and rutile structures. With increasing anodic potentials, a plasma-chemical conversion reaction starts, leading to the heterogeneous formation of BaTiO3 layers of 2–10 μm thickness. The results of this study lead to the formulation of a model describing a polycrystalline and inhomogeneous layer configuration.</description><subject>BARIUM COMPOUNDS</subject><subject>CERAMICS</subject><subject>COATINGS</subject><subject>MATERIALS SCIENCE</subject><subject>MICROSTRUCTURE</subject><subject>OXYGEN COMPOUNDS</subject><subject>PHASE STUDIES</subject><subject>SURFACE COATING</subject><subject>TITANATES</subject><subject>TITANIUM COMPOUNDS</subject><issn>0884-2914</issn><issn>2044-5326</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNqNkUtv1DAUhS0EEkNhyT5s2GXqZ5wsy7R0qKbiVYTExrpxbqjbGXuwHUT59XU0FayQWPlK_s59nEPIS0aXTCl9fHH5acm6rltS1slHZMGplLUSvHlMFrRtZc07Jp-SZyndUMoU1XJBbj9E3EOE7IKvwA_VpbMxpBwnm6eI1eq6fNqM0f0-MGGsTnwYnK0-F91tdYr7kFzGoXoD0U276spl8JCLNPifGNMs2sBdqZ6TJyNsE754eI_Il7dnV6t1vXl__m51sqmtpCzXyo4tdlI1XAg-MmZ7zhVyTkGLth0Q0DI6UMAeQGkYe4rY0M72DTQNIBNH5NWhb7nDmWTLdvbaBu_RZiOEVkwV5vWB2cfwY8KUzc4li9steAxTMlzTVmst_wfUioqugPUBnP1LEUezj24H8c4wauZ8TMnHzPmYOZ-_vEsZf_2Bi6em0WVJ05x_NKf8K_u2Fp1ZF_74oT_s-uiG72huwhR9cfIfE-4B5m6i8Q</recordid><startdate>19990401</startdate><enddate>19990401</enddate><creator>Schreckenbach, J.</creator><creator>Schlottig, F.</creator><creator>Marx, G.</creator><creator>Kriven, W. 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| subjects | BARIUM COMPOUNDS CERAMICS COATINGS MATERIALS SCIENCE MICROSTRUCTURE OXYGEN COMPOUNDS PHASE STUDIES SURFACE COATING TITANATES TITANIUM COMPOUNDS |
| title | Preparation and Microstructure Characterization of Anodic Spark Deposited Barium Titanate Conversion Layers |
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