This study investigated the low temperature sintering with various templates of Bi-based lead-free piezoelectric ceramics. The effects of using CuO-coated Na<sub>0.5</sub>Bi<sub>4.5</sub>Ti<sub>4</sub>O<sub>15...
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https://www.riss.kr/link?id=A107036933
정광휘 (울산대학교 첨단소재공학부) ; 이상섭 (울산대학교 첨단소재공학부) ; 안창원 (울산대학교) ; 한형수 (울산대학교) ; 이재신 (울산대학교) ; Jeong, Gwang-Hwi ; Lee, Sang-Seop ; Ahn, Chang Won ; Han, Hyoung Su ; Lee, Jae-Shin
2020
Korean
KCI등재
학술저널
337-343(7쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
This study investigated the low temperature sintering with various templates of Bi-based lead-free piezoelectric ceramics. The effects of using CuO-coated Na<sub>0.5</sub>Bi<sub>4.5</sub>Ti<sub>4</sub>O<sub>15...
This study investigated the low temperature sintering with various templates of Bi-based lead-free piezoelectric ceramics. The effects of using CuO-coated Na<sub>0.5</sub>Bi<sub>4.5</sub>Ti<sub>4</sub>O<sub>15</sub> templates on the sintering behavior as well as the dielectric, ferroelectric, and piezoelectric properties of Bi<sub>1/2</sub>(Na<sub>0.78</sub>K<sub>0.22</sub>)<sub>1/2</sub>TiO<sub>3</sub> (BNKT) ceramics have been examined. In comparison with the specimens sintered with the Na<sub>0.5</sub>Bi<sub>4.5</sub>Ti<sub>4</sub>O<sub>15</sub> templates without CuO coating, those sintered with the CuO-coated Na<sub>0.5</sub>Bi<sub>4.5</sub>Ti<sub>4</sub>O<sub>15</sub> templates showed larger template sizes as well as a larger electric field induced strain (S<sub>max</sub>/E<sub>max</sub>) of 422 pm/V after sintering at temperatures as low as 975℃. These results are promising for low-cost multilayer ceramic actuator applications.
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