Contacter le Fournisseur? fournisseur
Sun Zhaohai Mr. Sun Zhaohai
Que puis-je faire pour vous?
contacter le fournisseur

Zibo Yuhai Electronic Ceramic Co., Ltd.

Accueil > Info de Compagnie > MODES OF VIBRATION FOR PIEZOELECTRIC ELEMENTS

MODES OF VIBRATION FOR PIEZOELECTRIC ELEMENTS

table 1-8



table1-82



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

Envoyer Une Demande

Sun Zhaohai

Mr. Sun Zhaohai

Numéro De Téléphone:0086-533-4230012

Fax:

Portable:+8618753397607

E-mail :ceo@zbyuhai.com

Adresse De Compagnie:No.57 Chuangye Road, Boshan Economic Development Area, Zibo, Shandong

site mobile