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Model: OD19.5*4MHz R 19 PZT-82
Piëzo-elektrische keramische halfrond
Elektrode richting: dikte richting
Toepassingen: High Intensity Focused Ultrasound , krachtige ultrasone transducer
Materiaal: PZT-82 ( harde PZT P-8)
Technische data:
Afmetingen: diameter 19,5 mm, dikte volgens frequentie 4 MHz, R 19
Dikte Frequentie Ft: 4 MHz ± 100 KHz
Radiale frequentie Fr: 112 KHz ± 5%
Elektromechanische koppelingscoëfficiënt Kp: ≥ 0,57
Resonante impedantie Zm: ≤ 3 Ω
Diëlektrisch verlies tg δ: 0,3%
Statische capaciteit Cs: 7200pF ± 20%
Testconditie: 25 ± 3 ° C 40 ~ 70% RH
fr, Zm, Kr => Trilling in radiale modus
Cs tanδ => LCR-meter bij 1KHz 1Vrms
PZT-82 is gelijk aan PZT-8, harde PZT voor hogere mechanische kwaliteitsfactor, lager diëlektrisch verlies vereist en veel hogere belastbaarheid enz. Transducers.
YUHAI-piëzo-materiaal voor HIFU-systerm:
Typical value of piezoelectric ceramic materials performance | ||||||
"Hard" PZT materials | ||||||
Properties | PZT-41 | PZT-42 | PZT-43 | PZT-82 | ||
Dielectric Constant | ɛTr3 | 1050 | 1250 | 1420 | 1100 | |
Coupling factor | KP | 0.58 | 0.58 | 0.58 | 0.52 | |
K31 | 0.32 | 0.33 | 0.34 | 0.3 | ||
K33 | 0.66 | 0.67 | 0.68 | 0.57 | ||
Kt | 0.48 | 0.48 | 0.48 | 0.4 | ||
Piezoelectric coefficient | d31 | 10-12m/v | -106 | -124 | -138 | -100 |
d33 | 10-12m/v | 260 | 280 | 300 | 240 | |
g31 | 10-3vm/n | -11.4 | -11.2 | -11 | -10.3 | |
g33 | 10-3vm/n | 28 | 25.3 | 24 | 25 | |
Frequency coefficients | Np | 2280 | 2200 | 2160 | 2280 | |
N1 | 1671 | 1613 | 1583 | 1671 | ||
N3 | 1950 | 1900 | 1875 | 1950 | ||
Nt | 2250 | 2200 | 2200 | 2300 | ||
Elastic compliance coefficient | Se11 | 10-12m2/n | 11.8 | 12.7 | 13.2 | 11.6 |
Machanical quality factor | Qm | 1000 | 800 | 600 | 1200 | |
Dielectric loss factor | Tg δ | % | 0.3 | 0.4 | 0.5 | 0.3 |
Density | ρ | g/cm3 | 7.5 | 7.5 | 7.5 | 7.6 |
Curie Temperature | Tc | °C | 320 | 320 | 320 | 310 |
Young's modulus | YE11 | <109N/m3 | 85 | 79 | 76 | 86 |
Poison Ratio | 0.3 | 0.3 | 0.3 | 0.3 |
Product Categorie : HIFU piëzo-elektrische keramische onderdelen
Thuis > Product List > HIFU piëzo-elektrische keramische onderdelen > Hoog vermogen HIFU piëzokeramisch element OD19.5x4MHz
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