Piezo Ceramics Tutorial 10 of 18

Equivalent DoD Navy Type I

Parameter	Symbol	Unit
General Material Designations			4
	KT33		1115 - 1435
Dissipation Factor			0.004
	Qm		500 - 600
Density		kg/m3	7.6
Curie Temperature		°C	320
Coupling Coefficients	kp		0.580
	k31		-0.340
Piezoelectric Charge Constants	d33	x10-12C/N or m/V	290
	d31	x10-12C/N or m/V	-125
Piezoelectric Voltage Constants	g33	x10-3Vm/N	24.6
	g31	x10-3Vm/N	-10.6
Frequency Constant	Np	Hz.m	2220
Elastic Constants Short Circuit	SE11	SEx10-12m2/N	12.4
	YE11	SEx10-12m2/N	8.1
Elastic Constants Open Circuit	SD11	SDx10-12m2/N	11.0
	YD11	SDx10-12m2/N	9.1
High Field Dielectric Properties (200kV/m)	KT33	%	<7.0
	DF		<0.02
High Field Dielectric Properties (400kV/m)	KT33	%	<20.0
	DF		<0.0
Volume Resistivity @ 25°C		ohm.m	>1010
Volume Resistivity @ 100°C		ohm.m	>108.5
Volume Resistivity @ 200°C		ohm.m	>105.5
Time Constant @ 25°C		s	>100
Time Constant @ 100°C		s	>5
Time Constant @ 200°C		s	>0.07
Aging Rates & Time Stability	KT33	% / time decade	-4.6
	kp	% / time decade	-1.7
	d33	% / time decade	-3.4
	Np		1.0
Temperature Stability		% change in KT33 from 0 - 50°C	8.0

Equivalent DoD Navy Type II

Parameter	Symbol	Unit
General Material Designations			5
	KT33		1770
Dissipation Factor			0.02
	Qm		75
Density		kg/m3	7.8
Curie Temperature		°C	365
Coupling Coefficients	kp		0.600
	k31		-0.343
Piezoelectric Charge Constants	d33	x10-12C/N or m/V	400
	d31	x10-12C/N or m/V	-177
Piezoelectric Voltage Constants	g33	x10-3Vm/N	25.2
	g31	x10-3Vm/N	-11.1
Frequency Constant	Np	Hz.m	1980
Elastic Constants Short Circuit	SE11	SEx10-12m2/N	10.1
	YE11	SEx10-12m2/N	6.2
Elastic Constants Open Circuit	SD11	SDx10-12m2/N	14.2
	YD11	SDx10-12m2/N	7.1
High Field Dielectric Properties (200kV/m)	KT33	%	12.5
	DF		0.0238
High Field Dielectric Properties (400kV/m)	KT33	%	26.1
	DF		0.0551
Volume Resistivity @ 25°C		ohm.m	>1012
Volume Resistivity @ 100°C		ohm.m	>1011
Volume Resistivity @ 200°C		ohm.m	>1010
Time Constant @ 25°C		s
Time Constant @ 100°C		s
Time Constant @ 200°C		s
Aging Rates & Time Stability	KT33	% / time decade	-1.0
	kp	% / time decade	-1.7
	d33	% / time decade	-3.4
	Np		0.2
Temperature Stability		% change in KT33 from 0 - 50°C	11.3

Equivalent DoD Navy Type III

Parameter	Symbol	Unit
General Material Designations			8
	KT33		980 - 1180
Dissipation Factor			0.002
	Qm		900 - 1600
Density		kg/m3	>7.5
Curie Temperature		°C	>300
Coupling Coefficients	kp		>0.520
	k31		-0.350
Piezoelectric Charge Constants	d33	x10-12C/N or m/V	300
	d31	x10-12C/N or m/V	-127
Piezoelectric Voltage Constants	g33	x10-3Vm/N	28.8
	g31	x10-3Vm/N	-12.2
Frequency Constant	Np	Hz.m	2170
Elastic Constants Short Circuit	SE11	SEx10-12m2/N	12.8
	YE11	SEx10-12m2/N	7.8
Elastic Constants Open Circuit	SD11	SDx10-12m2/N	11.3
	YD11	SDx10-12m2/N	8.9
High Field Dielectric Properties (200kV/m)	KT33	%	1.9
	DF
High Field Dielectric Properties (400kV/m)	KT33	%
	DF
Volume Resistivity @ 25°C		ohm.m	>1012
Volume Resistivity @ 100°C		ohm.m	>108
Volume Resistivity @ 200°C		ohm.m	>106
Time Constant @ 25°C		s	>100
Time Constant @ 100°C		s	>2
Time Constant @ 200°C		s	>0.01
Aging Rates & Time Stability	KT33	% / time decade	-4.0
	kp	% / time decade	-2.1
	d33	% / time decade	-6.3
	Np		1.0
Temperature Stability		% change in KT33 from 0 - 50°C	10.4

Equivalent DoD Navy Type IV

Parameter	Symbol	Unit
General Material Designations			BT
	KT33		1100
Dissipation Factor			0.006
	Qm		500
Density		kg/m3	5.8
Curie Temperature		°C	130
Coupling Coefficients	kp		>0260
	k31		-0.150
Piezoelectric Charge Constants	d33	x10-12C/N or m/V	127
	d31	x10-12C/N or m/V	-42
Piezoelectric Voltage Constants	g33	x10-3Vm/N	13.0
	g31	x10-3Vm/N	-4.3
Frequency Constant	Np	Hz.m	3177
Elastic Constants Short Circuit	SE11	SEx10-12m2/N	7.8
	YE11	SEx10-12m2/N	12.8
Elastic Constants Open Circuit	SD11	SDx10-12m2/N	7.6
	YD11	SDx10-12m2/N	13.2
High Field Dielectric Properties (200kV/m)	KT33	%	2.7
	DF		0.007
High Field Dielectric Properties (400kV/m)	KT33	%	7.3
	DF		0.015
Volume Resistivity @ 25°C		ohm.m	>1010
Volume Resistivity @ 100°C		ohm.m
Volume Resistivity @ 200°C		ohm.m
Time Constant @ 25°C		s
Time Constant @ 100°C		s
Time Constant @ 200°C		s
Aging Rates & Time Stability	KT33	% / time decade	-3.5
	kp	% / time decade	-3.5
	d33	% / time decade
	Np		0.7
Temperature Stability		% change in KT33 from 0 - 50°C

Equivalent DoD Navy Type V

Parameter	Symbol	Unit
General Material Designations			5J
	KT33		2650
Dissipation Factor			0.020
	Qm		71
Density		kg/m3	>7.6
Curie Temperature		°C	>250
Coupling Coefficients	kp		0.635
	k31		-0.375
Piezoelectric Charge Constants	d33	x10-12C/N or m/V	530
	d31	x10-12C/N or m/V	-230
Piezoelectric Voltage Constants	g33	x10-3Vm/N	22.6
	g31	x10-3Vm/N	-9.8
Frequency Constant	Np	Hz.m	1965
Elastic Constants Short Circuit	SE11	SEx10-12m2/N	16.0
	YE11	SEx10-12m2/N	6.2
Elastic Constants Open Circuit	SD11	SDx10-12m2/N	13.8
	YD11	SDx10-12m2/N	7.3
High Field Dielectric Properties (200kV/m)	KT33	%
	DF