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Engineering Commons

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Materials Science and Engineering

Chulalongkorn University

2012

Alumina

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Full-Text Articles in Engineering

The Effect Of Granule Morphology And Composition On The Compaction Behavior And Mechanical Properties Of 92% Alumina Spray Dried Granules, K. Somton, K. Dateraksa, D. Atong, R. Mccuiston Dec 2012

The Effect Of Granule Morphology And Composition On The Compaction Behavior And Mechanical Properties Of 92% Alumina Spray Dried Granules, K. Somton, K. Dateraksa, D. Atong, R. Mccuiston

Journal of Metals, Materials and Minerals

The compaction behavior and flexural strength of green compacts produced from four different types of 92% alumina spray dried granules were studied. Three of the granule types were produced in-house while the fourth is commercially-available. In addition, the decomposition behavior of the granules was studied by TGA in order to help explain the observed results. The morphology of the granules was observed using microscopy. Examination of the three granules produced in-house showed that they have several undesirable features; agglomeration, hollow granules and non-spherical granules. The morphology of the commercial granules showed them to be unagglomerated and spherical. The in-house granules …