Abstract
This work reports the effect of sintering temperature and compaction load on the quality of α-alumina (~particle size<1µm) membrane support for dry compaction method. We analyzed the membrane synthesis process to get good quality membrane support in a more economical way by reducing the holding time (4h) at different sintering temperatures. The effect of initial compaction load on porosity, pore size, flexural strength and shrinkage during synthesis of α-alumina support at various sintering temperatures was investigated. It was found that at 1500°C sintering temperature and 350kN compaction load, the support exhibited least porosity of ~1.4% and least pore sizes of ~67nm, whereas at 1200°C and 50kN compaction load, the support showed the highest porosity of ~55% and highest pore size of ~505nm.Maximum flexural strength of ~200MPa was obtained for the support synthesized at 1500°C sintering temperature and 350kN load.
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