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PZT
PIEZOHANNAS
PZT
High Sensitivity Soft Pzt Ceramic Powder Piezoceramic Material
Typical soft PZT characteristics include:
· Wide range of frequencies in transmit and receive (sub-audible, audible, ultrasonic)
· High output, low drive material
· High frequency, fast response time
· High sensitivity for active or passive use
· Ability to use with low voltage or high voltage drive circuits
· Good mechanical and acoustic coupling
· Wide variety of shapes and sizes that can be customized to meet specific requirements and applications
· Wide variety of compositions that can be selected to meet specific requirements and applications
· Quality of each PZT component is ensured by a rigorous testing regimen. Characteristics such as frequency, capacitance, dissipation, coupling, d33 and mechanical properties are measured and verified against our / customer provided specifications.
"Soft" PZT materials | The type of soft material | ||||||||
Properties | PSnN-5 | PLiS-51 | PZT-51 | PZT-52 | PZT-53 | PZT-5H | PZT-5X | ||
Dielectric Constant | ɛTr3 | 1600 | 2000 | 2200 | 2400 | 2600 | 3200 | 4500 | |
Coupling factor | KP | 0.6 | 0.62 | 0.62 | 0.63 | 0.64 | 0.68 | 0.7 | |
K31 | 0.35 | 0.35 | 0.35 | 0.35 | 0.36 | 0.38 | 0.4 | ||
K33 | 0.68 | 0.7 | 0.68 | 0.7 | 0.7 | 0.76 | 0.77 | ||
Kt | 0.5 | 0.52 | 0.5 | 0.5 | 0.5 | 0.52 | 0.53 | ||
Piezoelectric coefficient | d31 | 10-12m/v | -170 | -197 | -186 | -204 | -227 | -275 | -300 |
d33 | 10-12m/v | 400 | 450 | 500 | 520 | 550 | 620 | 750 | |
g31 | 10-3vm/n | -12 | -11.1 | -9.6 | -9.8 | -9.9 | -9.7 | -7.5 | |
g33 | 10-3vm/n | 28 | 25.4 | 25.6 | 24.5 | 23.9 | 22 | 18.8 | |
Frequency coefficients | Np | 2000 | 1920 | 1980 | 1980 | 1960 | 1900 | 1960 | |
N1 | 1466 | 1407 | 1451 | 1451 | 1437 | 1393 | 1437 | ||
N3 | 1825 | 1925 | 1900 | 1900 | 1755 | 1550 | 1800 | ||
Nt | 2100 | 2100 | 2150 | 2150 | 2150 | 2100 | 2200 | ||
Elastic compliance coefficient | Se11 | 10-12m2/n | 16.6 | 18 | 16.7 | 17 | 17.4 | 18 | 19 |
Machanical quality factor | Qm | 85 | 80 | 80 | 75 | 75 | 70 | 65 | |
Dielectric loss factor | Tg δ | % | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Density | ρ | g/cm3 | 7.5 | 7.5 | 7.6 | 7.6 | 7.6 | 7.5 | 7.5 |
Curie Temperature | Tc | °C | 350 | 345 | 270 | 270 | 270 | 230 | 165 |
Young's modulus | YE11 | <109N/m2 | 60 | 56 | 60 | 59 | 57.5 | 56 | 53 |
Poison Ratio | 0.36 | 0.36 | 0.36 | 0.36 | 0.36 | 0.36 | 0.39 | ||
Abbreviation | definition | Unit |
ε33 T , ε 11 T | Free Relative Dielectric Constant | |
ε33 S , ε 11 S | Clamping Relative Dielectric Constant | |
tgδ | Dissipation Factor at Low Field | |
ρ | Density | g/cm 3 |
T c | Curie Point | ºC |
V | Velocity | m/s |
Z a | Accoustic Impedance | Mrayl |
K p, K 33, K t, K 31, K 15 | Electromechanical Coupling Factors | |
N p , N 33, N 31, N 15, N t, N c | Frequency Constants | Hz - m |
d 33, d 31, d 15 | Piezoelectric Strain Constants | 10 -12 C/N |
d h | Hydrostatic Piezoelectric Strain Constants | 10 -3 Vm/N |
Q pm | Mechanical Quality Factor at Planar mode | |
Y 11 E , Y 33 E | Young's Modulus under Short Circuit | 10 10 N/m 2 |
σ | Poisson Ratio | |
ε33 T (% Per Decade) | Aging Rate of Free Relative Dielectric Constant | |
K p (% Per Decade) | Aging Rate of Planar Electromechanical Coupling Factor | |
K t (% Per Decade) | Aging Rate of Coupling Factor at Thickness mode | |
N p (% Per Decade) | Aging Rate of Frequency Constant of Planar Mode | |
N t (% Per Decade) | Aging Rate of Frequency Constant at Thickness Mode | |
ε33 T ( / o C) | Thermal Stability of Free Relative Dielectric Constant | |
GLOSSARY | ||
BT | Barium Titanate | |
Hard PZT | Hard Lead Titanate Zirconate Compound | |
Soft PZT | Soft Lead Titanate Zirconate Compound |
High Sensitivity Soft Pzt Ceramic Powder Piezoceramic Material
Typical soft PZT characteristics include:
· Wide range of frequencies in transmit and receive (sub-audible, audible, ultrasonic)
· High output, low drive material
· High frequency, fast response time
· High sensitivity for active or passive use
· Ability to use with low voltage or high voltage drive circuits
· Good mechanical and acoustic coupling
· Wide variety of shapes and sizes that can be customized to meet specific requirements and applications
· Wide variety of compositions that can be selected to meet specific requirements and applications
· Quality of each PZT component is ensured by a rigorous testing regimen. Characteristics such as frequency, capacitance, dissipation, coupling, d33 and mechanical properties are measured and verified against our / customer provided specifications.
"Soft" PZT materials | The type of soft material | ||||||||
Properties | PSnN-5 | PLiS-51 | PZT-51 | PZT-52 | PZT-53 | PZT-5H | PZT-5X | ||
Dielectric Constant | ɛTr3 | 1600 | 2000 | 2200 | 2400 | 2600 | 3200 | 4500 | |
Coupling factor | KP | 0.6 | 0.62 | 0.62 | 0.63 | 0.64 | 0.68 | 0.7 | |
K31 | 0.35 | 0.35 | 0.35 | 0.35 | 0.36 | 0.38 | 0.4 | ||
K33 | 0.68 | 0.7 | 0.68 | 0.7 | 0.7 | 0.76 | 0.77 | ||
Kt | 0.5 | 0.52 | 0.5 | 0.5 | 0.5 | 0.52 | 0.53 | ||
Piezoelectric coefficient | d31 | 10-12m/v | -170 | -197 | -186 | -204 | -227 | -275 | -300 |
d33 | 10-12m/v | 400 | 450 | 500 | 520 | 550 | 620 | 750 | |
g31 | 10-3vm/n | -12 | -11.1 | -9.6 | -9.8 | -9.9 | -9.7 | -7.5 | |
g33 | 10-3vm/n | 28 | 25.4 | 25.6 | 24.5 | 23.9 | 22 | 18.8 | |
Frequency coefficients | Np | 2000 | 1920 | 1980 | 1980 | 1960 | 1900 | 1960 | |
N1 | 1466 | 1407 | 1451 | 1451 | 1437 | 1393 | 1437 | ||
N3 | 1825 | 1925 | 1900 | 1900 | 1755 | 1550 | 1800 | ||
Nt | 2100 | 2100 | 2150 | 2150 | 2150 | 2100 | 2200 | ||
Elastic compliance coefficient | Se11 | 10-12m2/n | 16.6 | 18 | 16.7 | 17 | 17.4 | 18 | 19 |
Machanical quality factor | Qm | 85 | 80 | 80 | 75 | 75 | 70 | 65 | |
Dielectric loss factor | Tg δ | % | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Density | ρ | g/cm3 | 7.5 | 7.5 | 7.6 | 7.6 | 7.6 | 7.5 | 7.5 |
Curie Temperature | Tc | °C | 350 | 345 | 270 | 270 | 270 | 230 | 165 |
Young's modulus | YE11 | <109N/m2 | 60 | 56 | 60 | 59 | 57.5 | 56 | 53 |
Poison Ratio | 0.36 | 0.36 | 0.36 | 0.36 | 0.36 | 0.36 | 0.39 | ||
Abbreviation | definition | Unit |
ε33 T , ε 11 T | Free Relative Dielectric Constant | |
ε33 S , ε 11 S | Clamping Relative Dielectric Constant | |
tgδ | Dissipation Factor at Low Field | |
ρ | Density | g/cm 3 |
T c | Curie Point | ºC |
V | Velocity | m/s |
Z a | Accoustic Impedance | Mrayl |
K p, K 33, K t, K 31, K 15 | Electromechanical Coupling Factors | |
N p , N 33, N 31, N 15, N t, N c | Frequency Constants | Hz - m |
d 33, d 31, d 15 | Piezoelectric Strain Constants | 10 -12 C/N |
d h | Hydrostatic Piezoelectric Strain Constants | 10 -3 Vm/N |
Q pm | Mechanical Quality Factor at Planar mode | |
Y 11 E , Y 33 E | Young's Modulus under Short Circuit | 10 10 N/m 2 |
σ | Poisson Ratio | |
ε33 T (% Per Decade) | Aging Rate of Free Relative Dielectric Constant | |
K p (% Per Decade) | Aging Rate of Planar Electromechanical Coupling Factor | |
K t (% Per Decade) | Aging Rate of Coupling Factor at Thickness mode | |
N p (% Per Decade) | Aging Rate of Frequency Constant of Planar Mode | |
N t (% Per Decade) | Aging Rate of Frequency Constant at Thickness Mode | |
ε33 T ( / o C) | Thermal Stability of Free Relative Dielectric Constant | |
GLOSSARY | ||
BT | Barium Titanate | |
Hard PZT | Hard Lead Titanate Zirconate Compound | |
Soft PZT | Soft Lead Titanate Zirconate Compound |
