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| Presentation | 2010-09-29 14:50 Evaluation of Fictive Temperature of Synthetic Silica Glasses by the Ultrasonic Microspectroscopy Technology Jun-ichi Kushibiki, Mototaka Arakawa, Yuji Ohashi, Yuko Maruyama, Takanori Kondo, Tetsuo Yoshida (Tohoku Univ.)  US2010-52 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We developed an evaluation method of fictive temperatures TF for synthetic silica (SiO2) glasses by the ultrasonic micro-spectroscopy technology. Specimens prepared from two kinds of commercial SiO2 glasses with different OH concentrations were heat-treated at desired annealing temperatures from 900 to 1200°C. Longitudinal and shear velocities (Vl and Vs), leaky surface acoustic wave (LSAW) velocities (VLSAW), and densities (ρ) were measured. Vl varied most significantly among the acoustic properties. TF dependences of acoustic properties were obtained from relationships between Vl and ρ, which was reported that it is in a linear relationship with TF. Different TF dependences were detected for the two types of SiO2 glasses because of different OH concentrations. The resolutions were 0.3-0.4°C, and they were 40-150 times higher than the conventional methods using Raman spectroscopy and infrared spectroscopy. VLSAW measurements can provide two-dimensional TF distributions on the specimen surface with resolutions of about 10°C. This ultrasonic method is extremely useful for TF evaluation for SiO2 glasses. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | ultrasonic micro-spectroscopy technology / synthetic silica glass / fictive temperature / longitudinal velocity / shear velocity / leaky surface acoustic wave velocity / density / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 213, US2010-52, pp. 23-28, Sept. 2010. | |
| Paper # | US2010-52 | |
| Date of Issue | 2010-09-22 (US) | |
| 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 | US2010-52 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2010-09-29 - 2010-09-30 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Paper Information | |
| Registration To | US |
| Conference Code | 2010-09-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Evaluation of Fictive Temperature of Synthetic Silica Glasses by the Ultrasonic Microspectroscopy Technology |
| Sub Title (in English) | |
| Keyword(1) | ultrasonic micro-spectroscopy technology |
| Keyword(2) | synthetic silica glass |
| Keyword(3) | fictive temperature |
| Keyword(4) | longitudinal velocity |
| Keyword(5) | shear velocity |
| Keyword(6) | leaky surface acoustic wave velocity |
| Keyword(7) | density |
| Keyword(8) | |
| 1st Author's Name | Jun-ichi Kushibiki |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Mototaka Arakawa |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Yuji Ohashi |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 4th Author's Name | Yuko Maruyama |
| 4th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 5th Author's Name | Takanori Kondo |
| 5th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 6th Author's Name | Tetsuo Yoshida |
| 6th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | 2 |
| Date Time | 2010-09-29 14:50:00 |
| Presentation Time | 25 |
| Registration for | US |
| Paper # | IEICE-US2010-52 |
| Volume (vol) | IEICE-110 |
| Number (no) | no.213 |
| Page | pp.23-28 |
| #Pages | IEICE-6 |
| Date of Issue | IEICE-US-2010-09-22 |
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