Nature of the Luminescence of SNC Steatite Ceramic

Ashurov, M. Kh.; Nuritdinov, I.; Saidakhmedov, K. Kh.; Ismailov, Sh.K.

doi:10.1007/s10512-021-00812-w

Cited by 2 publications

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“…Combined with good workability and low shrinkage of the green bodies, steatite ceramics are predominantly used in electrical applications and as thermal insulation material. Recent, further applications were suggested in nuclear power applications [ 6 ] and medical engineering [ 7 , 8 ]. Recently, we described the synthesizing of a low-to-medium porosity talcum-based steatite (TBS) ceramic including a detailed pore space characterization and analysis of solid phase microstructure and composition [ 9 ].…”

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confidence: 99%

Porous Talcum-Based Steatite Ceramics Fabricated by the Admixture of Organic Particles: Experimental Characterization and Effective Medium/Field Modeling of Thermo-Mechanical Properties

et al. 2023

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In this paper, an experimental campaign, as regards the thermo-mechanical properties (heat capacity, thermal conductivity, Young’s modulus, and tensile (bending) strength) of talcum-based steatite ceramics with artificially introduced porosity, is presented. The latter has been created by adding various amounts of an organic pore-forming agent, almond shell granulate, prior to compaction and sintering of the green bodies. The so-obtained porosity-dependent material parameters have been represented by homogenization schemes from effective medium/effective field theory. As regards the latter, thermal conductivity and elastic properties are well described by the self-consistent estimate, with effective material properties scaling in a linear manner with porosity, with the latter in the range of 1.5 vol-%, representing the intrinsic porosity of the ceramic material, to 30 vol-% in this study. On the other hand, strength properties are, due to the localization of the failure mechanism in the quasi-brittle material, characterized by a higher-order power-law dependency on porosity.

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