Microinhomogeneity of High-Alkali Aluminosilicate Glasses Studied by Nuclear Magnetic Resonance Spectroscopy

V. N. Bykov; V. E. Eremyashev; V. N. Anfilogov

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Microinhomogeneity of High-Alkali Aluminosilicate Glasses Studied by Nuclear Magnetic Resonance Spectroscopy

机译：核磁共振波谱研究高碱铝硅酸盐玻璃的微观不均匀性

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The structure of quenched aluminosilicate glasses with Na_2O/Al_2O_3 > 1 has been studied by high-resolution nuclear magnetic resonance spectroscopy. The aluminum in the structure of the glasses is shown to be in fourfold coordination. Increasing the sodium oxide content of the glasses reduces the degree of poly merization in their structure and leads to a nonuniform nonbridging oxygen distribution over the aluminosil icate glass network. The glasses have a locally microinhomogeneous structure due to the presence of both highly polymerized aluminosilicate anion groups and relatively depolymerized silicate anions.

机译：通过高分辨率核磁共振波谱研究了Na_2O / Al_2O_3> 1的淬火硅铝酸盐玻璃的结构。眼镜结构中的铝显示出四重配合。玻璃中氧化钠含量的增加会降低其结构中的聚合程度，并导致铝硅酸盐玻璃网络上的非桥连氧分布不均匀。由于存在高度聚合的硅铝酸盐阴离子基团和相对解聚的硅酸盐阴离子，玻璃具有局部的微不均匀结构。

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《Inorganic materials》 |2010年第11期|p.1265-1268|共4页
作者
V. N. Bykov; V. E. Eremyashev; V. N. Anfilogov;
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作者单位

Institute of Mineralogy, Ural Division, Russian Academy of Sciences, Miass, Chelyabinsk oblast, 456301 Russia;

rnInstitute of Mineralogy, Ural Division, Russian Academy of Sciences, Miass, Chelyabinsk oblast, 456301 Russia;

rnInstitute of Mineralogy, Ural Division, Russian Academy of Sciences, Miass, Chelyabinsk oblast, 456301 Russia;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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正文语种 eng
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Microinhomogeneity of High-Alkali Aluminosilicate Glasses Studied by Nuclear Magnetic Resonance Spectroscopy

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