Abstract
Electric-field-induced microcracking and toughening in Pb(Mg 1/3Nb2/3)O3-PbTiO3 piezoelectric single crystals during electrically cycling were investigated using in situ transmission electron microscopy (TEM). The crack growth was found to depend on both cycling field strength and cycle number. The deflection of microcrack caused by defect was observed. The toughening induced by domain switching and formation of new domains around microcrack tip to resist the crack growth was directly demonstrated.
| Original language | English |
|---|---|
| Pages (from-to) | 111-118 |
| Journal | Ceramic Transactions |
| Volume | 169 |
| DOIs | |
| Publication status | Published - 2005 |
| Event | 106th Annual Meeting of the American Ceramic Society - Indianapolis, United States Duration: 18 Apr 2004 → 21 Apr 2004 |
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