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  1. B100 理学部/理学研究科
  2. B100b 紀要
  3. The Journal of earth and planetary sciences
  4. 59

Enhanced dissolution of soda-lime glass under stressed conditions with small effective stress (0.05 MPa) at 35℃ to 55℃: Implication for seismogeochemical monitoring

https://doi.org/10.18999/joueps.59.1
https://doi.org/10.18999/joueps.59.1
65eb3ce1-0d39-49ad-b2b3-b58495035e95
名前 / ファイル ライセンス アクション
59-1.pdf 59-1.pdf (1.2 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2014-09-02
タイトル
タイトル Enhanced dissolution of soda-lime glass under stressed conditions with small effective stress (0.05 MPa) at 35℃ to 55℃: Implication for seismogeochemical monitoring
言語 en
著者 MIYAKAWA, Kazuya

× MIYAKAWA, Kazuya

WEKO 53512

en MIYAKAWA, Kazuya

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YANG, Tianshi

× YANG, Tianshi

WEKO 53513

en YANG, Tianshi

Search repository
KAWABE, Iwao

× KAWABE, Iwao

WEKO 53514

en KAWABE, Iwao

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
キーワード
主題Scheme Other
主題 pressure solution
キーワード
主題Scheme Other
主題 silica dissolution
キーワード
主題Scheme Other
主題 earthquake prediction
抄録
内容記述 Dissolution rates of pressure solution (PS) of SiO2 of soda-lime glass in 0.002 M NaHC03 solution were experimentally determined at low temperatures (35℃ to 55℃) and low effective stresses (0.05 MPa). They were 18 ± 2 x 10^-15 (35℃), 49 ± 4 x 10^-15 (45℃) and 133 ± 17 x 10^-15 (55℃) (Si mol/cm2/sec), respectively. The ratios of the dissolution rates of stressed glasses to those of glass beads at zero effective stress were 1.5 ± 0.5 (35℃), 1.5 ± 0.4 (45℃) and 1.4 ± 0.6 (55℃), respectively, which means that the stressed glasses dissolve about 1.5 times as fast as glasses at zero effective stress. In response to a step-like increase of applied uniaxial loads, the dissolution rates of PS increased immediately, but the dissolution rate decreased gradually in the course of keeping the effective stress constant. The apparent activation energy of our PS experiments was calculated to be approximately (78 ± 12) kJ/mol, and this value is slightly smaller than (89 ± 1) kJ/mol of dissolution reaction of soda-lime glass at effective stress = 0. Our results clearly show that even at such low temperatures and low effective stresses, Si release into solution as a result of PS can be detected.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Dept. of Earth and Planetary Sciences, Nagoya University
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.18999/joueps.59.1
ID登録タイプ JaLC
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0919-875X
書誌情報 en : The Journal of Earth and Planetary Sciences, Nagoya University

巻 59, p. 1-15, 発行日 2012
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/20537
識別子タイプ HDL
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