Basaltic glass fibers with advanced mechanical properties

In the present research the dependence of compositional variations on the basaltic glass fibers mechanical properties was explored. Addition of 15 mol % MgO or 5 mol % ZnO led to enhanced for tensile strength up to 43% and 47% and for modulus up to 13% and 25% respectively. The structure of basaltic...

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Bibliographic Details
Published inJournal of non-crystalline solids Vol. 476; pp. 144 - 150
Main Authors Kuzmin, Konstantin L., Gutnikov, Sergey I., Zhukovskaya, Evgeniya S., Lazoryak, Bogdan I.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 15.11.2017
Subjects
Basalt fibers
Glass strength
Glass structure
Mechanical properties
Basalt fibers
Mechanical properties
Glass structure
Glass strength
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Summary:In the present research the dependence of compositional variations on the basaltic glass fibers mechanical properties was explored. Addition of 15 mol % MgO or 5 mol % ZnO led to enhanced for tensile strength up to 43% and 47% and for modulus up to 13% and 25% respectively. The structure of basaltic glass fibers with varying MgO and ZnO contents was investigated by solid-state 29Si and 27Al nuclear magnetic resonance with magic angle spinning (MAS-NMR) and infrared (IR) spectroscopy. It was indicated that the increase of MgO and ZnO contents slightly decreased the degree of network polymerization. 27Al MAS NMR exhibit a peak consistent with tetrahedral aluminum units AlO4. The noticeable fraction peaks of narrow octahedral aluminum units AlO6 are observed. Presence of aluminum cations in coordination 4 and 6 was confirmed by IR spectroscopy. In order to study their crystallization ability the glasses were heated at various temperatures for various time periods with following self-cooling. The crystalline phases were identified by X-ray diffraction analysis. Obtained results have shown the possibility to increase mechanical properties of continuous fibers and composites on their base by 50–60%. •New high-strength and high-modulus basaltic glass fibers for composites are designed.•MgO and ZnO-rich basaltic continuous fibers are obtained.•Tensile strength and Young's modulus of material are increased by 47% and 25% respectively.•The influence of the structure of materials on their mechanical properties is shown.
ISSN:0022-3093
1873-4812
DOI:10.1016/j.jnoncrysol.2017.09.042