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Improvement of alkali resistance of glass fiber from basalt and lignite bottom ash mixture by addition of ZrO2 content |
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| รหัสดีโอไอ | |
| Creator | Apirat THEERAPAPVISETPONG |
| Title | Improvement of alkali resistance of glass fiber from basalt and lignite bottom ash mixture by addition of ZrO2 content |
| Contributor | Phraethong KWANPANNGAM, Thanapat TAMRONGWONGWI |
| Publisher | Metallurgy and Materials Science Research Institute Chulalongkorn University |
| Publication Year | 2564 |
| Journal Title | Journal of Metals, Materials and Minerals |
| Journal Vol. | 31 |
| Journal No. | 2 |
| Page no. | 147-153 |
| Keyword | Basalt fiber, lignite bottom ash, alkali resistance, glass fiber |
| ISSN | 8576149 |
| Abstract | In this work, silica-rich basalt from Chai Badan, Lopburi province was melted with lignite bottom ash from Mae Moh power plant as fluxing agent. To improving the alkali resistance, the series of glass batch samples were varied amount of ZrO2สcontent by 0 wt% to 10 wt%. The batches were melted at 1500_ and drawn into a fiber. The results found that the alkali resistance of basalt fiber sample increase with increasing of ZrO2สcontent up to 7.5 wt% ZrO2. The sample with 7.5 wt% ZrO2สperformed the highest alkali resistance, while the sample with 5 wt% ZrO2สobtained the highest tensile strength. The alkali resistance of these basalt fibers was given by a formation of stable hydrated zirconium-rich layer retarding the preinitiation of OH-สinside the surface. The corrosion of shell thickness of higher ZrO2สcontent fiber increased at a slower rate according to its higher alkali resistance. The excess addition of ZrO2สcontent up to 10 wt% in glass composition resulted in an increase of brittleness and weakness of the fiber caused by a defect from undissolved ZrO2สcrystal in a fiber and its solubility limit. |
