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Modell: OD50.2*ID6.1*180KHz BaTiO3
Piezoelektrischer Keramikring
Bleifreier Piezokeramikring
Bleifreie piezoelektrische Bariumtitanatkeramiken sind wichtige Grundmaterialien für die Entwicklung der modernen Wissenschaft und Technologie, die bei der Herstellung von Ultraschallwandlern , akustischen Unterwasserwandlern, elektroakustischen Wandlern, Keramikfiltern, Keramiktransformatoren, Keramikfrequenzdiskriminatoren und Hochspannungen weit verbreitet waren Generatoren, Infrarotdetektoren, Oberflächenwellengeräte, elektrooptische Geräte, Zünd- und Detonationsgeräte sowie piezoelektrische Gyroskope und so weiter.
Anwendung: Ultraschall-Unterwasserwandler
Piezoelektrisches Keramikmaterial : BaTiO3 (bleifrei)
Technische Daten der piezoelektrischen Elemente :
Abmessungen: AD 50,2 mm, ID 6,1 mm, Höhe 14-17 mm (je nach Frequenz 180 kHz)
Dickenfrequenz Fr: 180 kHz ± 5 kHz
Frequenzbandbreite ΔF > 7,5 kHz
Resonanzimpedanz R ≤ 20 Ω
Dielektrischer Verlust tg δ: <0,6%
Statische Kapazität Cs: 1350 pF ± 12,5%
Testbedingung: 25 ± 3 ° C 40 ~ 70% rF
fr, Zm, Kr => Radialmodusschwingung
Cs tanδ => LCR-Messgerät bei 1 kHz 1 Veff
Anwendung: Militär, Ozean, Fischerei, wissenschaftliche Forschung, Minensuche, Alltag und andere Bereiche.
China Patent des BaTiO3 der Firma Yuhai
Chinesisches Patent Nr.: ZL 2011 1 0126758.6
Name: Bleifreies piezoelektrisches Bariumtitanat-Material unter Zusatz von Kobalt und Aluminium
Typical value of piezoelectric ceramic materials performance | |||
Lead free piezo material BaTiO3 | Lead-free Material | ||
Properties | BaTiO3 | ||
Dielectric Constant | ɛTr3 | 1260 | |
Coupling factor | KP | 0.34 | |
K31 | 0.196 | ||
K33 | 0.43 | ||
Kt | 0.32 | ||
Piezoelectric coefficient | d31 | 10-12m/v | -60 |
d33 | 10-12m/v | 160 | |
g31 | 10-3vm/n | -5.4 | |
g33 | 10-3vm/n | 14.3 | |
Frequency coefficients | Np | 3180 | |
N1 | 2280 | ||
N3 | |||
Nt | 2675 | ||
Elastic compliance coefficient | Se11 | 10-12m2/n | 8.4 |
Machanical quality factor | Qm | 1200 | |
Dielectric loss factor | Tg δ | % | 0.5 |
Density | ρ | g/cm3 | 5.6 |
Curie Temperature | Tc | °C | 115 |
Young's modulus | YE11 | <109N/m3 | 119 |
Poison Ratio | 0.33 |
SYMBOL |
DEFINITION |
UNITS |
ε 33 T , ε 11 T
|
Free Relative Dielectric Constant |
|
ε 33 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
|
|
ε 33 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
|
|
ε 33 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 |
|
Produktgruppe : Bleifreie piezoelektrische Elemente > Bleifreie Piezoringe
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Mr. Sun Zhaohai
Telefonnummer:0086-533-4230012
Fax:
Mobiltelefon:+8618753397607
E-Mail-Adresse:ceo@zbyuhai.com
Firmenadresse:No.57 Chuangye Road, Boshan Economic Development Area, Zibo, Shandong
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