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Textured α-alumina through electrophoretic deposition and templated grain growth
Zhang L., , Vleugels J., Van Der Biest O.
Published in Trans Tech Publications Ltd
Volume: 412
Pages: 261 - 266
The development of texture was studied during electrophoretic deposition in alumina suspensions containing plate shaped alumina particles. The mechanism of platelet orientation during EPD was examined with respect to the influence of the electric field, gravity and hydrodynamic forces. This was realized by using two different deposition cells, with vertically or horizontally positioned deposition electrode. The texture of the green deposit was further enhanced during sintering by templated grain growth in which the platelet shaped alumina particles were growing at the expense of the fine grained matrix. The sharp 'fiber texture' obtained after templated grain growth during sintering of the deposit was characterized by means of x-ray diffraction and Electron Backscatter Diffraction (EBSD).
About the journal
JournalKey Engineering Materials
PublisherTrans Tech Publications Ltd
Open AccessNo