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Coalescence of Pore Columns by Domain Switching

Coalescence of Pore Columns by Domain Switching Abstract The present paper studies the coalescence of pore columns in ferroelectric ceramics driven by back and forth domain switching under cyclic electric field. A finite element method that incorporates mass transfer capacity is formulated to simulate the evolution of point defects subjected to the kinetics of pore surface diffusion and domain wall migration. The merge of point defects provides a mechanism for the vacancy agglomeration that leads to the formation of large pores or microcracks. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png "Acta Mechanica Sinica" Springer Journals

Coalescence of Pore Columns by Domain Switching

"Acta Mechanica Sinica" , Volume 22 (3): 10 – Jun 1, 2006

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References (23)

Publisher
Springer Journals
Copyright
2006 Springer-Verlag
ISSN
0567-7718
eISSN
1614-3116
DOI
10.1007/s10409-006-0003-z
Publisher site
See Article on Publisher Site

Abstract

Abstract The present paper studies the coalescence of pore columns in ferroelectric ceramics driven by back and forth domain switching under cyclic electric field. A finite element method that incorporates mass transfer capacity is formulated to simulate the evolution of point defects subjected to the kinetics of pore surface diffusion and domain wall migration. The merge of point defects provides a mechanism for the vacancy agglomeration that leads to the formation of large pores or microcracks.

Journal

"Acta Mechanica Sinica"Springer Journals

Published: Jun 1, 2006

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