Effect of Dispersant on Protein Foaming-consolidation Porous Alumina Containing Hydrothermal Derived Hydroxyapatite Nanopowder

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dc.contributor.authorSopyan, Iis
dc.contributor.authorFadli, Ahmad
dc.date.accessioned2015-12-01T02:43:58Z
dc.date.available2015-12-01T02:43:58Z
dc.date.issued2015-12-01
dc.description.abstractPresent paper reports the effect of dispersant loading on physical properties of porous aluminahydroxyapatite (HA) composite bodies fabricated using protein foaming-consolidation method. Hydrothermal derived HA powder was used as bioactive ceramic. Alumina and HA powders were mixed with yolk, starch and darvan 821 A at an adjusted mass ratio to make slurry. The slurries were cast into cylindrical shaped molds and then dried for foaming and consolidation process. Subsequently, the dried bodies were burned at 600°C for 1 h, followed by sintering at temperatures of 1400°C for 2 h. The porous alumina-HA composites with pore size in the range of 50-500 μm and densities of 2.23 – 2.83 g cm-3 were obtained. Porosity of bodies decreased from 43.9 to 28.6% when dispersant amount increased from 0 to 7.0 g. The compressive strength of sintered bodies was found in the range of 20.3 to 104.8 MPa showing depends on porosity.en_US
dc.description.sponsorshipdvances In Materials Engineering Volume 1, International Islmic University Malaysia 2011en_US
dc.identifier.isbn978-967-418-167-3
dc.identifier.otherwahyu sari yeni
dc.identifier.urihttp://repository.unri.ac.id/xmlui/handle/123456789/7614
dc.language.isoenen_US
dc.subjectPorous aluminaen_US
dc.subjecthydroxyapatiteen_US
dc.subjectcompositesen_US
dc.subjectprotein foaming-consolidationen_US
dc.titleEffect of Dispersant on Protein Foaming-consolidation Porous Alumina Containing Hydrothermal Derived Hydroxyapatite Nanopowderen_US
dc.typeUR-Scientific Work Lectureren_US

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