Long-sized rods of Al2O3–SiC–TiB2 ceramic composite material obtained by SHS-extrusion: Microstructure, X-ray analysis and properties

Бажин, П. М.; Чижиков, А. П.; Столин, А. М.; Antipov, M. S.; Konstantinov, A. S.

doi:10.1016/j.ceramint.2021.06.262

Cited by 14 publications

(1 citation statement)

References 23 publications

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“…The electrical resistivity of a bulk material is expressed as follows 92,93

\begin{equation}{\rho _o} = \frac{{R{\rm{A}}}}{{L\;}},\end{equation}

where

^{\prime\prime}{\rho _o}^{\prime \prime }

is the electrical resistivity,

^{\prime\prime}R^{\prime\prime}

is the electrical resistance,

{\rm{^{\prime\prime}A^{\prime\prime}}}

, is the cross‐sectional area, and

^{\prime\prime}L^{\prime\prime}

is the length of the bulk material.…”

Section: Factors Affecting Electrical Resistivity Of Porous Sic Ceramicsmentioning

confidence: 99%

Controlling the electrical resistivity of porous silicon carbide ceramics and their applications: A review

Anwar

Bukhari

et al. 2022

Int J Applied Ceramic Tech

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Porous silicon carbide (SiC)‐based ceramics are widely used in numerous applications of technical importance owing to their exceptional structural (e.g., excellent chemical, mechanical, and thermal stability) and functional (e.g., controlled electrical resistivity) properties. Porous SiC with controlled electrical resistivity is required for various advanced applications, for example, power electronic devices, semiconductor processing parts, fusion reactors, thermoelectric energy conversion, electromagnetic shielding, and environmental applications such as heatable filters. The electrical properties of sintered porous SiC are significantly affected by its chemical composition, processing conditions, and microstructure. This article reviews the influence of certain critical factors, such as the polytype, doping conditions, porosity (%), additive composition (oxide additives, element additives, metal nitride/carbide additives, etc.), and processing conditions on the electrical resistivity of porous SiC. Novel applications of porous SiC with controlled electrical resistivity are also discussed in this review.

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“…The electrical resistivity of a bulk material is expressed as follows 92,93