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    Tricalcium aluminate hydration in the presence of calcium sulfite hemihydrate

    New search for: Lagosz, A.
    New search for: Malolepszy, J.

    This article reports on the study to evaluate the potential possibility of regulating the tricalcium aluminate (C3A) hydration process by the addition of calcium sulfite hemihydrate. The kind and the form of hydration products were studied in the system: C 3A-CaSO3 dot 0.5H2O-H2O and C3A-CaSO3 dot 0.5H2O-Ca(OH)2-H 2O by use of XRD, DTA and SEM/EDS methods as well as the kinetics of hydration along with chemical composition development of the liquid phase. The results thus obtained were compared to the hydration process of C3A with the addition of natural gypsum. The results show that the reaction rate of C3A with the addition of calcium sulfite hemihydrate differs from the analogous hydration process of C3A in the presence of calcium sulfate dihydrate. Also, the kind of hydration products obtained in the presence of CaSO3 dot 0.5H2O is different.

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    Tricalcium aluminate hydration in the presence of calcium sulfite hemihydrate

    New search for: Lagosz, A.
    New search for: Malolepszy, J.

    This article reports on the study to evaluate the potential possibility of regulating the tricalcium aluminate (C3A) hydration process by the addition of calcium sulfite hemihydrate. The kind and the form of hydration products were studied in the system: C 3A-CaSO3 dot 0.5H2O-H2O and C3A-CaSO3 dot 0.5H2O-Ca(OH)2-H 2O by use of XRD, DTA and SEM/EDS methods as well as the kinetics of hydration along with chemical composition development of the liquid phase. The results thus obtained were compared to the hydration process of C3A with the addition of natural gypsum. The results show that the reaction rate of C3A with the addition of calcium sulfite hemihydrate differs from the analogous hydration process of C3A in the presence of calcium sulfate dihydrate. Also, the kind of hydration products obtained in the presence of CaSO3 dot 0.5H2O is different.

    Access

    Access via TIB
    Check availability in my library
    Order at Subito €

    Tricalcium aluminate hydration in the presence of calcium sulfite hemihydrate

    New search for: Lagosz, A.
    New search for: Malolepszy, J.

    This article reports on the study to evaluate the potential possibility of regulating the tricalcium aluminate (C3A) hydration process by the addition of calcium sulfite hemihydrate. The kind and the form of hydration products were studied in the system: C 3A-CaSO3 dot 0.5H2O-H2O and C3A-CaSO3 dot 0.5H2O-Ca(OH)2-H 2O by use of XRD, DTA and SEM/EDS methods as well as the kinetics of hydration along with chemical composition development of the liquid phase. The results thus obtained were compared to the hydration process of C3A with the addition of natural gypsum. The results show that the reaction rate of C3A with the addition of calcium sulfite hemihydrate differs from the analogous hydration process of C3A in the presence of calcium sulfate dihydrate. Also, the kind of hydration products obtained in the presence of CaSO3 dot 0.5H2O is different.

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    Title:

    Tricalcium aluminate hydration in the presence of calcium sulfite hemihydrate

    Contributors:

    Lagosz, A. (author) / Malolepszy, J. (author)

    Published in:

    Cement and Concrete Research ; 33 ; 333-339

    Publication date:

    2003

    Size:

    7 Seiten, 9 Quellen

    ISSN:

    0008-8846

    DOI:

    https://doi.org/10.1016/S0008-8846(02)00957-2

    Type of media:

    Article (Journal)

    Type of material:

    Print

    Language:

    English

    Keywords:

    Tricalciumaluminat , Hydratisieren , Gips , Mikrostruktur , Röntgenbeugung , Rasterelektronenmikroskopie , energiedispersive Spektrometrie , flüssige Phase , Calciumsulfathalbhydrat , Calciumsulfatdihydrat , Geschwindigkeitskonstante

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