Ceramics International, volume 47, issue 11, pages 15282-15292

Phase formation, structure and properties of light-weight aluminosilicate proppants based on clay-diabase and clay-granite binary mixes

Publication typeJournal Article
Publication date2021-06-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor5.2
ISSN02728842
Materials Chemistry
Surfaces, Coatings and Films
Ceramics and Composites
Electronic, Optical and Magnetic Materials
Process Chemistry and Technology
Abstract
One of the drawbacks of fusible clays is the narrow sintering interval due to a sharp increase in the amount of iron-silicate melt at a temperature of 1000–1100 °C, which hardens in the form of a glass phase upon cooling. This leads to a relatively low mechanical strength of the calcined samples and causes the danger of melting the granular material surface from such clays during the firing process. To increase the strength of samples of fusible clays, the influence of diabase and granitoid rocks was considered. It was found that the strengthening effect of diabase and granitoid rock additives in an amount of 20–50% in a mixture with fusible clay is due to an increase of total content of the crystalline phase (mullite, cristobalite and residual quartz) from 18–20% in clays without additives to 22–28 % - in mixtures with diabase and to 28–34% - with granitoid additives) at a temperature of 1050–1100 °C. This increase is due to the activation of synthesis processes of secondary mullite and crystallization from alkali-rich feldspar melt of amorphous silica, released from the structure of clay minerals. The established influence of the igneous rocks used made it possible to develop compositions and propose process flow sheet for producing aluminosilicate proppants based on fusible clays. The use of granitoid and diabase rocks in an amount of 20–70% with fusible clays produces lightweight aluminosilicate proppants with bulk density of 1.40–1.46 g/cm3 at temperature range of 1050–1100 °C, which can endure destructive pressures up to 34.5–52 MPa.

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Vakalova T. et al. Phase formation, structure and properties of light-weight aluminosilicate proppants based on clay-diabase and clay-granite binary mixes // Ceramics International. 2021. Vol. 47. No. 11. pp. 15282-15292.
GOST all authors (up to 50) Copy
Vakalova T., Devyashina L. P., Sharafeev S. M., Sergeev N. P. Phase formation, structure and properties of light-weight aluminosilicate proppants based on clay-diabase and clay-granite binary mixes // Ceramics International. 2021. Vol. 47. No. 11. pp. 15282-15292.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.ceramint.2021.02.092
UR - https://doi.org/10.1016%2Fj.ceramint.2021.02.092
TI - Phase formation, structure and properties of light-weight aluminosilicate proppants based on clay-diabase and clay-granite binary mixes
T2 - Ceramics International
AU - Vakalova, T.V.
AU - Devyashina, L P
AU - Sharafeev, Sh M
AU - Sergeev, N P
PY - 2021
DA - 2021/06/01 00:00:00
PB - Elsevier
SP - 15282-15292
IS - 11
VL - 47
SN - 0272-8842
ER -
BibTex |
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BibTex Copy
@article{2021_Vakalova,
author = {T.V. Vakalova and L P Devyashina and Sh M Sharafeev and N P Sergeev},
title = {Phase formation, structure and properties of light-weight aluminosilicate proppants based on clay-diabase and clay-granite binary mixes},
journal = {Ceramics International},
year = {2021},
volume = {47},
publisher = {Elsevier},
month = {jun},
url = {https://doi.org/10.1016%2Fj.ceramint.2021.02.092},
number = {11},
pages = {15282--15292},
doi = {10.1016/j.ceramint.2021.02.092}
}
MLA
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MLA Copy
Vakalova, T.V., et al. “Phase formation, structure and properties of light-weight aluminosilicate proppants based on clay-diabase and clay-granite binary mixes.” Ceramics International, vol. 47, no. 11, Jun. 2021, pp. 15282-15292. https://doi.org/10.1016%2Fj.ceramint.2021.02.092.
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