Thermal Behavior of Howlite, Ca 2 B 5 SiO 9 (OH) 5

L. A. Gorelova; M. G. Krzhizhanovskaya; R. S. Bubnova

doi:10.1134/S1087659617060037

Thermal Behavior of Howlite, Ca₂B₅SiO₉(OH)₅

作者: Gorelova L.¹^,2, Krzhizhanovskaya M.², Bubnova R.¹^,2
隶属关系:
1. Grebenshchikov Institute of Silicate Chemistry
2. St. Petersburg State University
期: 卷 43, 编号 6 (2017)
页面: 611-614
栏目: Short Communications
URL: https://journals.rcsi.science/1087-6596/article/view/216324
DOI: https://doi.org/10.1134/S1087659617060037
ID: 216324

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详细

The thermal behavior of natural borosilicate howlite, Ca₂B₅SiO₉(OH)₅, is studied by the methods of high-temperature X-ray diffraction and differential thermal analysis in the temperature range of 30–1100°C. The thermal expansion is anisotropic (α_max/α_min = 3.6); the degree of anisotropy increases (α_max/α_min = 4.3) with a temperature increase up to 480°C (360–480°C).

关键词

howlite, borosilicates, thermal expansion

作者简介

L. Gorelova

Grebenshchikov Institute of Silicate Chemistry; St. Petersburg State University

Email: rimma_bubnova@mail.ru
俄罗斯联邦, St. Petersburg, 199034; St. Petersburg, 199034

M. Krzhizhanovskaya

St. Petersburg State University

Email: rimma_bubnova@mail.ru
俄罗斯联邦, St. Petersburg, 199034

R. Bubnova