Stability of New BaO-TiO2-SiO2 Alkali-resistant Coatings in Portland Cement

Abstract

Abstract: Stability of BaO-TiO₂-SiO₂ sol-gel derived coatings in Portland Cement was studied by the scanning electron microscopy, X-ray fluorescence analysis, secondary neutral mass spectrometer,and X-ray diffrastion. The results showed that BaO-TiO₂-SiO₂ coatings can protect the silicate glass substrate against the attack of saturated Ca(OH)₂ and Portland cement aqueous solutions at 80℃ for a long period of time. The long term stability of GRC composites reinforced with coated E-glass fibers is apparently improved.

Key words: coating, sol-gel, alkali resistance, E-glass fiber, glass fiber reinforced cement

CHEN Qi,SONG Li,CHENG Jijian. Stability of New BaO-TiO₂-SiO₂ Alkali-resistant Coatings in Portland Cement[J]. Journal of Inorganic Materials.

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Stability of New BaO-TiO₂-SiO₂ Alkali-resistant Coatings in Portland Cement

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