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- Jo, Wook
- Sustainable Functional Ceramics Lab.
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Effect of SiO2 and TiO2 addition on the morphology of abnormally grown large Pb(Mg1/3Nb2/3)O-3-35 mol% PbTiO3 grains
- Issued Date
- 2005-07
- Citation
- JOURNAL OF THE AMERICAN CERAMIC SOCIETY, v.88, no.7, pp.1992 - 1994
- Abstract
- Abnormal grain growth (AGG) during the sintering of Pb(Mg-1/3 Nb-2/3)O-3-35 mo1% PbTiO3 was investigated. When a small amount of SiO2 was added, large abnormal grains with the penetration twin characteristic were observed to appear. AGG, in this case, is because of the twin plane re-entrant edges that provide coarsening advantage. When TiO2 was added, on the other hand, the abnormal grains were simple cubic in morphology with well-developed {100} planes. In this case, the coarsening advantage is suggested to be because of grain boundary re-entrant edges.
- Publisher
- WILEY-BLACKWELL
- ISSN
- 0002-7820
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