Synthesis and characterisation of nanocrystalline sinteractive 3Y-TZP powder

Authors: Ghosh, A.; Sabharwal, S.; Suri, A. K.; Rao, B. T.; Mohan, Rama

Source: Advances in Applied Ceramics, Volume 107, Number 3, May 2008 , pp. 170-175(6)

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Abstract:

Nanosize 3 mol.-% yttria tetragonal zirconia (3Y-TZP) powder was synthesised by coprecipitation method, both in presence and absence of hydroxypropyl cellulose. Thermal decomposition behaviour was studied by differential thermal analysis–thermogravimetry methods. Based on the particle characterisation by different techniques and sintering studies, it has been found that presence of hydroxypropyl cellulose during precipitation inhibited agglomeration and yielded well dispersed particles with narrow size distribution in the final powder. Excellent sinter activity of the calcined powder has been demonstrated.

Keywords: CERAMIC; COPRECIPITATION; SINTERING; ZIRCONIA; ELECTRON MICROSCOPY; NANOCRYSTALLITE

Document Type: Research Article

DOI: http://dx.doi.org/10.1179/174367608X263331

Publication date: 2008-05-01

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