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    Investigation of the effect of diethanol isopropanolamine on ferrite phase

    New search for: Kang, Hyunuk
    New search for: Jung, Sungjin
    New search for: Jung, Junhyeok
    New search for: Park, Jungwon
    New search for: Park, Jun-Boum
    New search for: Moon, Juhyuk

    Although it is one of main cement phases, the reactivity of tetracalcium aluminoferrite (C4AF) has not been fully understood especially under the use of grinding agent. In this study, the crystallographic variations due to the use of diethanol isopropanolamine (DEIPA) and resulting hydration characteristics of iron-rich C4A0.6F1.4 (f-C4AF) and idealized C4A0.8F1.2 (i-C4AF) were investigated. Substantially enhanced reactivity of f-C4AF was confirmed due to the state variation of Fe atom in C4AF from Fe2+ to Fe3+ which facilitates the formation of Fe-bearing phases of C3FH6, Fe-AFm and FH3. Meanwhile, the degree of hydration of i-C4AF had not been substantially improved but showed similar reaction only with a large amount of DEIPA (from 0.1% to 0.3%). It was experimentally validated that the reactivity of C4AF is controllable with the use of DEIPA which can lead to develop sustainable cement such as ferrite rich Portland cement.

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    Investigation of the effect of diethanol isopropanolamine on ferrite phase

    New search for: Kang, Hyunuk
    New search for: Jung, Sungjin
    New search for: Jung, Junhyeok
    New search for: Park, Jungwon
    New search for: Park, Jun-Boum
    New search for: Moon, Juhyuk

    Although it is one of main cement phases, the reactivity of tetracalcium aluminoferrite (C4AF) has not been fully understood especially under the use of grinding agent. In this study, the crystallographic variations due to the use of diethanol isopropanolamine (DEIPA) and resulting hydration characteristics of iron-rich C4A0.6F1.4 (f-C4AF) and idealized C4A0.8F1.2 (i-C4AF) were investigated. Substantially enhanced reactivity of f-C4AF was confirmed due to the state variation of Fe atom in C4AF from Fe2+ to Fe3+ which facilitates the formation of Fe-bearing phases of C3FH6, Fe-AFm and FH3. Meanwhile, the degree of hydration of i-C4AF had not been substantially improved but showed similar reaction only with a large amount of DEIPA (from 0.1% to 0.3%). It was experimentally validated that the reactivity of C4AF is controllable with the use of DEIPA which can lead to develop sustainable cement such as ferrite rich Portland cement.

    Access

    Check access
    Check availability in my library
    Order at Subito €

    Investigation of the effect of diethanol isopropanolamine on ferrite phase

    New search for: Kang, Hyunuk
    New search for: Jung, Sungjin
    New search for: Jung, Junhyeok
    New search for: Park, Jungwon
    New search for: Park, Jun-Boum
    New search for: Moon, Juhyuk

    Although it is one of main cement phases, the reactivity of tetracalcium aluminoferrite (C4AF) has not been fully understood especially under the use of grinding agent. In this study, the crystallographic variations due to the use of diethanol isopropanolamine (DEIPA) and resulting hydration characteristics of iron-rich C4A0.6F1.4 (f-C4AF) and idealized C4A0.8F1.2 (i-C4AF) were investigated. Substantially enhanced reactivity of f-C4AF was confirmed due to the state variation of Fe atom in C4AF from Fe2+ to Fe3+ which facilitates the formation of Fe-bearing phases of C3FH6, Fe-AFm and FH3. Meanwhile, the degree of hydration of i-C4AF had not been substantially improved but showed similar reaction only with a large amount of DEIPA (from 0.1% to 0.3%). It was experimentally validated that the reactivity of C4AF is controllable with the use of DEIPA which can lead to develop sustainable cement such as ferrite rich Portland cement.

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    Title:

    Investigation of the effect of diethanol isopropanolamine on ferrite phase

    Contributors:

    Kang, Hyunuk (author) / Jung, Sungjin (author) / Jung, Junhyeok (author) / Park, Jungwon (author) / Park, Jun-Boum (author) / Moon, Juhyuk (author)

    Published in:

    Journal of Sustainable Cement-Based Materials ; 12 ; 1604-1616

    Publication date:

    2023-12-02

    Size:

    13 pages

    ISSN:

    2165-0373 , 2165-0381

    DOI:

    https://doi.org/10.1080/21650373.2023.2248487

    Type of media:

    Article (Journal)

    Type of material:

    Electronic Resource

    Language:

    Unknown

    Keywords:

    X-ray diffraction method , diethanol isopropanolamine , tetracalcium aluminoferrite , hydration mechanism

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