Journal of the Chinese Ceramic Society, Volume. 51, Issue 5, 1311(2023)

Binding Mechanism and Capacity for AFm and C3AH6 on Premixed and Ingress Chlorides

SUI Lili1,2、*, HUANG Jiansheng1, LI Weiwen1,2, JIANG Zhilv3, SU Chenxi1, JIANG Xuelei1, and WANG Yaocheng1,2
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
  • 3[in Chinese]
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    To investigate the binding capacity and mechanism of AFm and C3AH6 with Cl- ions, high purity AFm and C3AH6 were synthesized with C3A. The mineralogy and morphology of the products after reaction of AFm or C3AH6 with premixed and ingress Cl- ions, and the corresponding binding capacities were characterized. The results show that C3AH6 has a higher Cl- ions binding ability (i.e., up to 75%) with premixed Cl- ions than AFm (i.e., 17%), especially at a relatively low content of premixed Cl- ions. A reaction between Cl- ions and C3AH6 is faster than that between Cl- ions and AFm. The binding product generated by C3AH6 is Friedel’s salt, while those by AFm are Hc, Kuzel’s salt, Friedel’s salt and AFt, which depends on Cl- ions concentration and its introduced manners, via premixed or ingress Cl- ions.

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    SUI Lili, HUANG Jiansheng, LI Weiwen, JIANG Zhilv, SU Chenxi, JIANG Xuelei, WANG Yaocheng. Binding Mechanism and Capacity for AFm and C3AH6 on Premixed and Ingress Chlorides[J]. Journal of the Chinese Ceramic Society, 2023, 51(5): 1311

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    Paper Information

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    Received: Aug. 23, 2022

    Accepted: --

    Published Online: Aug. 13, 2023

    The Author Email: Lili SUI (suill@szu.edu.cn)

    DOI:

    CSTR:32186.14.

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