Piezoelectric ceramic material include powder, block, plate, disc, ring, tube with silver , gold and nickel electrode.    

Typical values of piezoelectric ceramic materials

 

Material types		S42	S43	S44	S44-2	S43A	S44A	S81
Properties	Items	P-42	P-43	FM-2-1	SP-12-4			P-8
Coupling Coefficients(%)	Kp	65	66	68	66	59	60	58
	Kt	48	46	48	47	72	68	46
	K31	33		34	35	35	33	30
Piezoelectric Charge Constants  (PC/N)	d33	320	290	330	330	300	300	250
	d31	-155		-135	-140	-125	-109	-110
Piezoelectric voltage constants  (X10-3Vm/N)	g33	25.8	26.8	23.4	23.2	26.5	25.5	27.4
	g31	-12.5		-10.5	-10.2	-11	-10.5	-9.8
Dielectric constants	E33T/E0	1550	1220	1620	1570	1250	1350	1200
Dissipation factor (%)	tgδ	0.4	0.4	0.4	0.5	0.4	0.35	0.4
Frequency contents (Hz ?M)	Nt	2050	2040	2050	2080	2005	2005	2050
	Np	2230	2210	2250	2220	2130	2055	2300
	NL	1650		1630	1630	1524	1700	1655
Elastic constants  (X1010N/m2)	SE11	11.5		12.5	12.1			12.1
	SD11	10.2		11.2	11.1			10.9
Mechanical Q	Qm	600	600	1400	1200	500	1400	1000
Curie temperature (oC)	Tc	305	300	300	280	325	320	320
Density (g/cm3)	p	7.6	7.6	7.7	7.7	7.6	7.6	7.6

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