期刊
SCRIPTA MATERIALIA
卷 69, 期 9, 页码 682-685出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2013.07.032
关键词
Nanoindentation; Dielectric materials; Piezoelectrics; Finite element modeling
A three-dimensional finite element model is developed to capture the influence of electric fields on the nanoindentation response of anisotropic piezoelectric materials. Nine classes of indentations are carefully examined and it is demonstrated that the indentation response of piezoelectric materials is, in general, strongly influenced by electric fields when the electric field is aligned parallel to the poling direction. Furthermore, in-plane electric fields can be used in conjunction with nanoindentation to identify domains which are poled in specific in-plane directions. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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