Potassium-sodium niobate and sodium lithium bismuth titanate-system lead-free piezoelectric ceramic composition
A technology of sodium niobate, potassium bismuth titanate, sodium lithium, and ceramic composition, which is applied in the field of perovskite structure piezoelectric ceramics to achieve excellent piezoelectric performance, excellent piezoelectric performance, and low sintering temperature
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Embodiment 1
[0016] Recipe:
[0017] 0.975 (K 0.5 Na 0.5 )NbO 3 -0.025Bi 0.5 (Na 0.1 Li 0.9 ) 0.5 TiO 3
[0018] Performance:
[0019] d 33 (pC / N)ε 33 / ε 0 k p (%)k t (%)
[0020] 119 820 24.5 27.8
Embodiment 2
[0022] Recipe:
[0023] 0.99(K 0.5 Na 0.5 )NbO 3 -0.01Bi 0.5 (Na 0.1 Li 0.9 ) 0.5 TiO 3 (99mol%)+MnO 2 (1mol%)
[0024] Performance:
[0025] d 33 (pC / N)ε 33 / ε 0 k p (%)k t (%)
[0026] 118 390 46.6 44.3
Embodiment 3
[0028] Recipe:
[0029] 0.975 (K 0.5 Na 0.5 )NbO 3 -0.025Bi 0.5 (Na 0.1 Li 0.9 ) 0.5 TiO 3 (99mol%)+MnO 2 (1mol%)
[0030] Performance:
[0031] d 33 (pC / N)ε 33 / ε 0 k p (%)k t (%)
[0032] 198 925 48.3 45.6
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