Fabrication Of Alumina Crucible

Rini , Ruslam (2009) Fabrication Of Alumina Crucible. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Ceramic crucibles is fabricate from alumina material by using slip casting process. Two different batches are produced by the different amount of talc as the additive in each batch in order to determine the effect of talc to the alumina products that produced. The volume of talc that is used in batch B is higher compare to the volume that is used in batch A. The effect of the casting time to the crucible thickness was investigated by using various casting time. From the experimental that has done showing that, the longer casting produce higher crucible thickness. The shrinkage level of both batches was measured for drying process, bisques process and sintering process. The result was showing that, the shrinkage level is majorly happen during the sintering process. The mechanical properties of each batches is studied through flexural test and microstructure observation using SEM. The specimens that produced from batch B is defining have batter mechanical properties compare to specimens from batch A. The specimens are proven as alumina by analyze using XRD.

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