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Structure and properties of CaO-MgO-SiO2 inorganic glass fiber with additives (Al2O3, Y2O3)

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Abstract

Structure, crystallization and dissolution properties of CaO-MgO-SiO2 inorganic glass fiber in the presence of additives (Al2O3, Y2O3) were investigated by DTA, XRD, FTIR and ICP-AES techniques. The results show that with the addition of Al2O3 and Y2O3, the glass network structure is strengthened and the precipitation of crystals is inhibited for heat-treated fibers. Compared with Y2O3 doped fibers, Al2O3 presents more significant effects on the enhancement of silica network and the inhibition of crystallization in fibers. As for dissolution properties in physiological fluids, though the weight losses, changes of pH values and leached ions concentration lower slightly with the addition of Al2O3 and Y2O3 for the intensified network structure, and fibers still present high dissolution rates.

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Authors and Affiliations

  1. The Key State Laboratory Breeding Base of Refractories and Ceramics, Wuhan University of Science and Technology, Wuhan, 430081, China

    Hao Liu  (刘浩), Xitang Wang, Baoguo Zhang, Zhoufu Wang & Yuhan Yang

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  1. Hao Liu  (刘浩)
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  2. Xitang Wang
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  3. Baoguo Zhang
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  4. Zhoufu Wang
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  5. Yuhan Yang
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Correspondence to Hao Liu  (刘浩).

Additional information

Funded by the National High Technology Research and Development Program (“863” Program) of China (No.2009AA032503), the National Natural Science Foundation of China (Nos.50872098, 51004080), and the Open Fund of the Key State Laboratory Breeding Base of Refractories and Ceramics (Wuhan University of Science and Technology (No.G201004)

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Liu, H., Wang, X., Zhang, B. et al. Structure and properties of CaO-MgO-SiO2 inorganic glass fiber with additives (Al2O3, Y2O3). J. Wuhan Univ. Technol.-Mat. Sci. Edit. 27, 58–62 (2012). https://doi.org/10.1007/s11595-012-0407-5

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  • DOI: https://doi.org/10.1007/s11595-012-0407-5

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