会议论文详细信息
International Conference on Functional Materials and Nanotechnologies 2013
Investigation of carbonized layer on surface of NaAlSi glass fibers
材料科学;物理学
Pentjuss, E.^1 ; Lusis, A.^1 ; Bajars, G.^1 ; Gabrusenoks, J.^1
Institute of Solid State Physics, University of Latvia, 8 Kengaraga Street, LV-1063 Riga, Latvia^1
关键词: Air atmosphere;    Alumosilicates;    Carbonized layers;    Exponential process;    Glass fabric;    Regression techniques;    Water uptake;    Wet air;   
Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/49/1/012044/pdf
DOI  :  10.1088/1757-899X/49/1/012044
学科分类:材料科学(综合)
来源: IOP
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【 摘 要 】

There are presented and discussed experimental results about carbonate shell on the sodium rich alumosilicate (NaAlSi) glass fibers and carbonization in wet air atmosphere and water uptake kinetic of such fiber fabrics. The analyzes of water uptake kinetic by regression technique, leaching and heating of carbonized glass fabrics helped to separate stages of fast and slow processes between fiber and carbonate shell and air atmosphere. The shell contains mixture of trona and hydrated sodium carbonate. Heating converts both substances to sodium carbonate. The weight uptake after heating encounters two fast exponential processes associated with water absorption on the surface of carbonated shell and its diffusion into volume. The slow process associates with CO2and H2O absorption from air, hydration and sodium carbonate conversion to trona.

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