fig2

Impact of grain boundary segregation on piezoelectric performance of CaBi<sub>2</sub>Nb<sub>2</sub>O<sub>9</sub> high-temperature piezoceramics

Figure 2. (A) ECCI image of the surface of WCBN ceramics. (B) TEM image at triangular grain boundaries. (C) Element concentration distribution at triangular grain boundaries.

Microstructures
ISSN 2770-2995 (Online)

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