KMT-KIEV / ПРОДУКЦИЯ / ПЬЕЗОКЕРАМИКА / PIEZOCERAM

Пьезоматериалы Piezoceram

Таблица физических и электрических свойств пьезокерамических материалов

Property	Symbol & Unit	High Power Materials			High Sensitive Materials
Property	Symbol & Unit	PCM-40	PCM-41	PCM-80	PCM-50	PCM-51	PCM-55
DIELECTRICAL DATA
Permittivity	ε^T₃₃/ε_o	1250	1400	1000	1700	1850	4900
Dielectric Loss Factor	tgδ[10^-4]	40	40	20	180	190	220
Dielectric Loss Factor (at 400 V/mm)	tgδ (4) [10^-4]	150	200	100	-	-	-
ELECTROMECHANICAL DATA
Coupling Factor	K_p	0,56	0.58	0.51	0.64	0.64	0.62
Coupling Factor	K₃₁	0,32	0.34	0.30	0.36	0.37	0.39
Coupling Factor	K₃₃	0,67	0.68	0.64	0.72	0.74	0.70
Piezoelectric Charge Constant	-d₃₁ [10^-12 C/N]	125	135	95	180	180	325
Piezoelectric Charge Constant	d₃₃ [10^-12 C/N]	290	315	225	385	405	630
Piezoelectric Voltage Constant	-g₃₁ [1^0-3 Vm/N]	11.3	10.9	10.7	12.0	9.7	7.5
Piezoelectric Voltage Constant	g₃₃ [10^-3 Vm/N]	26.2	25.4	25.4	25.6	21.9	14.5
MECHANICAL DATA
Elastic Compliance	s^E₁₁ [10^-12m²/N]	13.4	14.1	11.5	16.6	16.2	15.8
Elastic Compliance	s^E₃₃ [10^-12 m²/N]	17.0	17.9	13.5	19.1	18.7	18.7
Radial Frequency Constant	N^E_p [m/s]	2180	2220	2300	1980	1970	1980
Thickness Frequency Constant	N^D_t [m/s]	2050	2000	2080	1880	2040	2150
Transverse Frequency Constant	N^E₁ [m/s]	1560	1500	1690	1400	1420	1780
Longitudal Frequency Constant	N^D₃ [m/s]	1750	1700	1800	1400	1400	-
Mechanical Quality Factor	Q_m	500	1400	1000	80	80	70
Density	ρ[10³ kg/m³]	7.65	7.85	7.60	7.65	7.70	8.0
THERMAL DATA
Curie Temperature	T_c[°C]	325	290	315	360	340	170

Таблица геометрических параметров

Стандартная точность