2023
DOI: 10.1007/s11595-023-2664-1
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Preparation of Thermal Insulation Ceramics Using Felsic Tailings as Main Raw Material and Soda-ash Dregs as Flux

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Cited by 3 publications
(7 citation statements)
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“…It can be observed from Figure 4 that as the calcite increases from 0% to 8%, the sample pores gradually become homogeneous and the sample pore size becomes larger. Calcite is decomposed into alkaline earth metal oxide CaO at high temperatures, and the addition of calcite is more likely to lead to the fracture of Si‐O bond in the silicate network, thus reducing the viscosity of liquid melt of materials 20,27,28 . Thus, the size of the stomata can be adjusted by varying the amount of calcite.…”
Section: Resultsmentioning
confidence: 99%
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“…It can be observed from Figure 4 that as the calcite increases from 0% to 8%, the sample pores gradually become homogeneous and the sample pore size becomes larger. Calcite is decomposed into alkaline earth metal oxide CaO at high temperatures, and the addition of calcite is more likely to lead to the fracture of Si‐O bond in the silicate network, thus reducing the viscosity of liquid melt of materials 20,27,28 . Thus, the size of the stomata can be adjusted by varying the amount of calcite.…”
Section: Resultsmentioning
confidence: 99%
“…The cross‐distribution of acicular crystals in melt significantly obstructs the flow between pores during the foaming process, which affects the uniform expansion and distribution of pores, and makes the surface tension of the liquid phase increase rapidly, resulting in the difficult growth of pores 32,33 . When excessive MgO is added, Na + is easy to replace Mg 2+ , and a large amount of albite is generated, which will lead to too low melt viscosity, and the sample porosity increases and is uneven 27 …”
Section: Resultsmentioning
confidence: 99%
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“…Talc assists in volume expansion to counteract the sintering shrinkage, which could be used to reduce the apparent density of the sample 27,28 . While the CaMg(CO3)2 in dolomite could promote the foaming and accelerate the destruction of the silica‐oxygen tetrahedral network structure, thereby reducing the viscosity 29,30 …”
Section: Introductionmentioning
confidence: 99%