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Influence of the Devitrification of the Glass in Porous Aggregates on the Resistance to Alkali in Cement.

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Title: Influence of the Devitrification of the Glass in Porous Aggregates on the Resistance to Alkali in Cement.
Authors: Kazantseva, L. K.1 (AUTHOR) kazantseva@igm.nsc.ru, Seretkin, Yu. V.1,2 (AUTHOR), Rashchenko, S. V.1,2 (AUTHOR), Nikitin, A. I.3 (AUTHOR)
Source: Glass & Ceramics. May2019, Vol. 76 Issue 1/2, p49-55. 7p. 4 Diagrams, 6 Charts.
Subjects: Devitrification, Cellular glass, Molten glass, Cement, Glass, Foam
Abstract: The corrosive effect of alkali in the cement (ASR interaction) on porous aggregates — foam ceramic and geofoamsitals (analogs of foam glass and foam sitals) in an alkaline medium modeling the liquid phase of setting cement was investigated. It was found that the devitrification of glass melt in the process of thermoactivated pore formation increases the ASR-tolerance of foam ceramic aggregates provided that the crystals are uniformly distributed over the wall thickness of the pores. It is shown that in an alkaline medium the active surface of foam ceramic aggregates is encapsulated by crystalline Ca-, Na-aluminosilicates and subsequent ASR interaction ceases. [ABSTRACT FROM AUTHOR]
Copyright of Glass & Ceramics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Influence of the Devitrification of the Glass in Porous Aggregates on the Resistance to Alkali in Cement.
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  Data: <searchLink fieldCode="JN" term="%22Glass+%26+Ceramics%22">Glass & Ceramics</searchLink>. May2019, Vol. 76 Issue 1/2, p49-55. 7p. 4 Diagrams, 6 Charts.
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  Data: <searchLink fieldCode="DE" term="%22Devitrification%22">Devitrification</searchLink><br /><searchLink fieldCode="DE" term="%22Cellular+glass%22">Cellular glass</searchLink><br /><searchLink fieldCode="DE" term="%22Molten+glass%22">Molten glass</searchLink><br /><searchLink fieldCode="DE" term="%22Cement%22">Cement</searchLink><br /><searchLink fieldCode="DE" term="%22Glass%22">Glass</searchLink><br /><searchLink fieldCode="DE" term="%22Foam%22">Foam</searchLink>
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  Data: The corrosive effect of alkali in the cement (ASR interaction) on porous aggregates — foam ceramic and geofoamsitals (analogs of foam glass and foam sitals) in an alkaline medium modeling the liquid phase of setting cement was investigated. It was found that the devitrification of glass melt in the process of thermoactivated pore formation increases the ASR-tolerance of foam ceramic aggregates provided that the crystals are uniformly distributed over the wall thickness of the pores. It is shown that in an alkaline medium the active surface of foam ceramic aggregates is encapsulated by crystalline Ca-, Na-aluminosilicates and subsequent ASR interaction ceases. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Glass & Ceramics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s10717-019-00131-4
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        Text: English
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        PageCount: 7
        StartPage: 49
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      – SubjectFull: Devitrification
        Type: general
      – SubjectFull: Cellular glass
        Type: general
      – SubjectFull: Molten glass
        Type: general
      – SubjectFull: Cement
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      – SubjectFull: Glass
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      – SubjectFull: Foam
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              Text: May2019
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