Please use this identifier to cite or link to this item: http://dspace.sctimst.ac.in/jspui/handle/123456789/9551
Title: Dense hydroxy apatite ceramics through gel casting technique
Authors: Varma, HK
Sivakumar, R
Keywords: Materials Science; Physics
Issue Date: 1996
Publisher: MATERIALS LETTERS
Citation: 29 ,42795;57-61
Abstract: A simple gel casting process is described for the preparation of uniform green HAP (hydroxy apatite) ceramic bodies. Such green compacts were observed to sinter more uniformly compared to the compacts derived by the dry pressing technique. The samples were sintered at temperatures ranging between 1100 and 1250 degrees C for 2 h. The sintering characteristics of the compacts were assessed by density measurements, microhardness variations and scanning electron microscopy. The highest density was obtained for gel cast samples, i.e. > 99%, when they, were sintered at 1200 degrees C for 2 h. The microstructure of the above sample was highly uniform. The improved uniformity in structure and properties of the sintered gel cast samples would make them suitable for better dental and orthopaedic implants.
URI: 10.1016/S0167-577X(96)00121-8
http://dspace.sctimst.ac.in/jspui/handle/123456789/9551
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