正硅酸镁羟基斜斜辉钼矿Mg5(SiO4)2(OH,F)2的热行为(-180≤T≤1000℃

IF 0.8 4区材料科学 Q4 MATERIALS SCIENCE, CERAMICS Glass Physics and Chemistry Pub Date : 2023-05-24 DOI:10.1134/S1087659622601113

Ya. P. Biryukov, R. S. Bubnova, V. A. Firsova

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引用次数: 0

摘要

羟基斜殖石Mg5(SiO4)2(OH,F)2是一种常见的单斜正硅酸盐，它一方面是一种有前途的材料的原型，另一方面，它是关于地球地幔中水的运输和存在的重要信息来源，因此研究它的热行为是特别有趣的。本文首次利用粉末x射线衍射在较宽的温度范围(-180≤T≤1000℃)内对该矿物进行了研究。建立了相存在的温度极限，计算了热膨胀张量的主值，给出了热膨胀的结构解释。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Thermal Behavior (–180 ≤ T ≤ 1000°C) of Magnesium Orthosilicate Hydroxylclinohumite Mg5(SiO4)2(OH,F)2

Hydroxylclinohumite Mg₅(SiO₄)₂(OH,F)₂ is a common monoclinic orthosilicate of the humite group, which, on the one hand, is a prototype of promising materials, and, on the other hand, is an important source of information about both the transport and the presence of water in the Earth’s mantle, and therefore studying its thermal behavior is of particular interest. In this paper, the mineral is studied by powder X-ray diffraction for the first time in a wide temperature range (–180 ≤ T ≤ 1000°C). The temperature limits for the existence of the phase are established, the principal values of the thermal expansion tensor are calculated, and a structural interpretation of thermal expansion is given.

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来源期刊

Glass Physics and Chemistry 工程技术-材料科学：硅酸盐

CiteScore

1.20

自引率

14.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Glass Physics and Chemistry presents results of research on the inorganic and physical chemistry of glass, ceramics, nanoparticles, nanocomposites, and high-temperature oxides and coatings. The journal welcomes manuscripts from all countries in the English or Russian language.