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The reaction mechanism between MgO and microsilica at room temperature

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Abstract

It was proved that MgO and MicroSilica can react at room temperature, giving a hardened product primarily comprised of Mg(OH)2 and Magnesium Silicate Hydrate (M-S-H). The reaction ratio and process and the chemical composition of M-S-H were studied and analyzed by QXRD and DTA-TG. The experimental results indicate that much Mg(OH)2 and less M-S-H was increased slowly. The chemical composion of M-S-H would vary with the mix proportion in the hydration process, but M1.32SH2.37 is finally the approximate form.

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Authors and Affiliations

  1. Institute of Cement Science & New Building Materials, China Building Materials Academy, 100024, Beijing, China

    Wei Jiangxiong (Postdoctor), Chen Yimin & Li Yongxin

  2. College of Materials Science and Engineering, South China University of Technology, 510640, Guangzhou, China

    Wei Jiangxiong (Postdoctor)

Authors
  1. Wei Jiangxiong
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  2. Chen Yimin
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  3. Li Yongxin
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Correspondence to Wei Jiangxiong.

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Jiangxiong, W., Yimin, C. & Yongxin, L. The reaction mechanism between MgO and microsilica at room temperature. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 21, 88–91 (2006). https://doi.org/10.1007/BF02840848

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  • DOI: https://doi.org/10.1007/BF02840848

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