2010
DOI: 10.1016/j.ceramint.2010.05.012
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Thermal conductivity of traditional ceramics. Part I: Influence of bulk density and firing temperature

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Cited by 116 publications
(41 citation statements)
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“…In general, thermal conductivity of the bulk clay bricks is approximately 1.070.4 W/mK depending on their raw materials, processing, firing temperatures and fired densities [4,[11][12][13]. These values can be reduced by addition of various organic and inorganic pore-makers into the brick raw material mixtures before firing [5,[7][8][9][14][15][16][17][18].…”
Section: Introductionmentioning
confidence: 99%
“…In general, thermal conductivity of the bulk clay bricks is approximately 1.070.4 W/mK depending on their raw materials, processing, firing temperatures and fired densities [4,[11][12][13]. These values can be reduced by addition of various organic and inorganic pore-makers into the brick raw material mixtures before firing [5,[7][8][9][14][15][16][17][18].…”
Section: Introductionmentioning
confidence: 99%
“…Por el contrario la ausencia de porosidad supone un incremento de densidad y, casi siempre, de conductividad térmica [41,42].…”
Section: Mt Cotes C Martínez Fj Iglesias Facorpasunclassified
“…Sin embargo, hay que destacar que el material VG sinterizado a 950 ºC, con una densidad aparente de ≈ 2,10 g/cm 3 y una absorción de agua inferior al 9% en peso, presenta una conductividad térmica (≈0,83 W/mK) similar a la de los materiales V cocidos a 1.000-1.050 ºC, que poseen una porosidad significativamente superior (≈1,86 g/cm 3 de densidad aparente y una absorción de agua superior al 12%). Este hecho se explica por la dependencia que la conductividad térmica tiene de la composición mineralógica y de la microestructura de los materiales (30). Así, se han descrito valores inferiores de conductividad térmica en materiales que contienen caolinita debido al tipo de microstructure study, out of the scope of the present work, would be necessary to confirm such hypothesis.…”
Section: Conductividad Térmicaunclassified
“…However, it is noteworthy that VG material sintered at 950 °C, with a bulk density of ≈ 2.10 g/cm 3 and a water absorption less than 9 wt.%, has a thermal conductivity (≈ 0.83 W/mK) similar to V materials fired at 1000-1050 °C, having a porosity significantly higher (density ≈ 1.86 g/cm 3 and water absorption over 12 wt.%). This is explained by the dependence of the thermal conductivity on the mineralogical composition and microstructure of materials (30). In fact, lower conductivity values have been described for caolinite containing materials due to the kind of porosity developed by this phase during firing (30) and, thus, the higher content of kaolinite in the mixture VG may be responsible for levels of thermal conductivity similar to those in mixture V with a higher porosity.…”
Section: Caracterización Tecnológica De Los Materialesmentioning
confidence: 99%
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