Novel hydrothermal synthesis method for tobermorite fibers and investigation on their thermal stability |
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| Authors: | Xiang Huang Dongliang JiangShouhong Tan |
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| Affiliation: | The State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Ding-Xi Road, Shanghai 200050, PR China |
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| Abstract: | Tobermorite fibers have been successfully synthesized by hydrothermal reaction at 200°C under the pressure of 2 MPa after 3-10 h using a Ca(II)-EDTA complex precursor. XRD patterns, TG-DTA analysis, and SEM observations show that the products are needle-like tobermorite fibers, which have diameter, length, and aspect ratio in the range of 0.1-10, 40-100, and 20-80 μm, respectively. The fibers can maintain their shapes up to 1150°C during the heat treatment. |
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| Keywords: | A. Inorganic compounds B. Chemical synthesis D. Microstructure |
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