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| Presentation | 2017-04-21 14:05 Charge storage behavior of zirconia ceramics under DC electric field -- Preparation of Y-TZP bioceramics with enhanced LTD durability -- Yumi Tanaka (Tokyo Univ. of Sci.), Hiroyuki Hara (Kyushu Univ.)  SDM2017-8 OME2017-8 Link to ES Tech. Rep. Archives: SDM2017-8 OME2017-8 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) is an important load-bearing bioceramic. However, a phenomenon called LTD, in which a phase destabilization occurs under moisture, reduces the reliability of Y-TZP as long-term implants. Since the exact mechanism of LTD is still unclear, this work was directed to evaluate an influence of surface charges of Y-TZP on LTD. Y-TZP were polarized under DC electrical field to vary surface O2- concentrations, which resulted in a successful preparation of Y-TZP surfaces with stable static charges. LTD durability was significantly influenced by the polarity on the surfaces; the negatively-charged surface was proved to show a good LTD durability. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Yttria-stabilized zirconia / bioceramic / oxide ion conduction / polarization / surface charges / low temperature degradation / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 8, OME2017-8, pp. 35-39, April 2017. | |
| Paper # | OME2017-8 | |
| Date of Issue | 2017-04-13 (SDM, OME) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | SDM2017-8 OME2017-8 Link to ES Tech. Rep. Archives: SDM2017-8 OME2017-8 |
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| Conference Information | |
| Committee | OME SDM |
| Conference Date | 2017-04-20 - 2017-04-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tatsugochou Shougaigakushuu Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Organic molecular devices, silicon device, biotechnology, thin film device, novel material, evaluation method, etc |
| Paper Information | |
| Registration To | OME |
| Conference Code | 2017-04-OME-SDM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Charge storage behavior of zirconia ceramics under DC electric field |
| Sub Title (in English) | Preparation of Y-TZP bioceramics with enhanced LTD durability |
| Keyword(1) | Yttria-stabilized zirconia |
| Keyword(2) | bioceramic |
| Keyword(3) | oxide ion conduction |
| Keyword(4) | polarization |
| Keyword(5) | surface charges |
| Keyword(6) | low temperature degradation |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yumi Tanaka |
| 1st Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Sci.) |
| 2nd Author's Name | Hiroyuki Hara |
| 2nd Author's Affiliation | Kyushu University (Kyushu Univ.) |
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| Speaker | Author-1 |
| Date Time | 2017-04-21 14:05:00 |
| Presentation Time | 45 minutes |
| Registration for | OME |
| Paper # | SDM2017-8, OME2017-8 |
| Volume (vol) | vol.117 |
| Number (no) | no.7(SDM), no.8(OME) |
| Page | pp.35-39 |
| #Pages | 5 |
| Date of Issue | 2017-04-13 (SDM, OME) |
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