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Model: OD50.2*ID6.1*180KHz BaTiO3
Piëzo-elektrische keramische ring
Loodvrije piëzo-keramische ring
Loodvrije piëzo-elektrische keramiek van bariumtitanaat zijn belangrijke basismaterialen voor de ontwikkeling van moderne wetenschap en technologie, die op grote schaal werden gebruikt bij de vervaardiging van ultrasone transducers , akoestische transducers voor onderwater, elektro-akoestische transducers, keramische filters, keramische transformatoren, keramische frequentiediscriminatoren, hoogspanning generatoren, infrarooddetectoren, apparaten voor oppervlakte-akoestische golven, elektro-optische apparaten, ontstekings- en detonatieapparaten en piëzo-elektrische gyroscopen, enzovoort.
Toepassing: ultrasone onderwatertransducer
Piëzo-elektrisch keramisch materiaal: BaTiO3 (loodvrij)
Piëzo-elektrische elementen technische gegevens:
Afmetingen: OD 50,2 mm, ID 6,1 mm, hoogte 14-17 mm (volgens de frequentie 180 KHz)
Dikte Frequentie Fr: 180 KHz ± 5 KHz
Frequentiebandbreedte ΔF > 7,5 KHz
Resoneerimpedantie R ≤ 20 Ω
Diëlektrisch verlies tg δ: <0,6%
Statische capaciteit Cs: 1350pF ± 12,5%
Testconditie: 25 ± 3 ° C 40 ~ 70% RH
fr, Zm, Kr => Trilling in radiale modus
Cs tanδ => LCR-meter bij 1KHz 1Vrms
Toepassing: leger, oceaan, visserij, wetenschappelijk onderzoek, mijndetectie, dagelijks leven en andere gebieden.
China patent van Yuhai company`s BaTiO3
Chinees patentnummer: ZL 2011 1 0126758.6
Naam: Loodvrij piëzo-elektrisch materiaal van bariumtitanaat met toevoeging van kobalt en 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 |
|
Product Categorie : Loodvrije piëzo-elektrische elementen > Loodvrije piëzo-ringen
Thuis > Product List > Loodvrije piëzo-elektrische elementen > Loodvrije piëzo-ringen > Bariumtitanaat piëzo-ring voor fishfinder 180KHz
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Mr. Sun Zhaohai
Telefoonnummer:0086-533-4230012
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Mobiel:+8618753397607
E-mail:ceo@zbyuhai.com
Adres:No.57 Chuangye Road, Boshan Economic Development Area, Zibo, Shandong
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.