Lagrangian effective material constants for the modeling of thermal behavior of acoustic waves in piezoelectric crystals. II. Applications and numerical values for quartz.
This paper presents a set of numerical values of temperature derivatives of Lagrangian effective elastic coefficients suitable for the modeling of small vibrations in quartz devices submitted to slow and homogeneous temperature variations. After a short description of the proper writing of vibration problems in practical applications with the help of this kind of coefficient, we determine the proposed set of numerical values from the frequency-temperature characteristics of an heterogeneous set of bulk and surface acoustic wave devices.
Dulmet
B
B
Laboratoire de Chronométrie Electronique et Piézoélectricité, Ecole Nationale Supérieure d'Ingénieurs de Micromécanique et des Microtechniques, Besançon, France. bernard.dulmet@ens2m.fr
Bourquin
R
R
Bigler
E
E
Ballandras
S
S