Fabrication and Properties of the SiC Candle Filter by Vacuum Extrusion and Ramming Process

신명관,; 한인섭,; 서두원,; 김세영,; 우상국,; 이승원,; 김영욱,

doi:10.4191/kcers.2009.46.6.662

Cited by 5 publications

(2 citation statements)

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“…A representative photomicrograph of sample A 1 is presented in Figure 2 to show the morphological features of the pore phase (interconnection) and other phases. Shin et al also observed interconnected pore morphology in sintered SiC candle filter matrix prepared following ramming and extrusion process 31 . In the microstructure of samples prepared with alumina (A 1 and B 1 samples), viscous layer on the SiC particle surface, regions of fish‐scale morphology, and needle‐like structures were observed.…”

Section: Resultsmentioning

confidence: 92%

“…interconnected pore morphology in sintered SiC candle filter matrix prepared following ramming and extrusion process. 31 In the microstructure of samples prepared with alumina (A 1 and B 1 samples), viscous layer on the SiC particle surface, regions of fish-scale morphology, and needle-like structures were observed. Areas marked "A" and "B" of the representative micrograph in Figure 2 show the regions of fish-scale and needle-like structures, respectively.…”

Section: Sic Ceramic Supportmentioning

confidence: 95%

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Studies on processing of layered oxide‐bonded porous sic ceramic filter materials

Dey

Kayal

Chakrabarti

et al. 2021

Int J Applied Ceramic Tech

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SiC ceramic filters are used to remove particulates from hot flue gases for protection of downstream turbine and regulation of particulate emission in advanced coal-fired thermal power plants, chemical plants, waste incineration systems, biomass gasification plants, etc. [1][2][3][4][5] SiC ceramic filters are used as they have high strength, low thermal expansion coefficient, and excellent thermal shock resistance and are highly durable and reliable. Investigations on measurement of mechanical properties , thermal shock resistance, and corrosion resistance of the ceramics are reported and they are conducted mostly for commercial filters. [6][7][8][9][10][11][12][13][14][15] Studies on determination of filtration efficiency and the effects of temperature, dust properties, dust cake formation, cleaning cycles, etc., on the pressure drop of the filters were also carried out. [16][17][18][19][20] Successful operation of commercial filters at severe conditions and at higher temperatures for long duration is still an issue and for this the intrinsic material properties of filters need to be looked in depth. The fundamental limitations of such filters are often related to pore-related characteristics, composition, mechanical, and thermal properties. 19 Continuous efforts are afoot for development of SiC ceramic filters with improved properties; however, very limited information is available about such developmental activities. Commonly available

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Section: Resultsmentioning

confidence: 92%

Section: Sic Ceramic Supportmentioning

confidence: 95%