Method for Determining Elastic Constant Changes
- 1 June 1967
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 38 (6) , 765-768
- https://doi.org/10.1063/1.1720885
Abstract
A method for determining the change in elastic constants as a function of some parameter such as temperature or pressure is described. The method is a modification of the pulsed radio frequency sound technique, in which the echoes are mixed with a signal from a free‐ringing quartz crystal in order to extract small phase changes in the echoes. Conventional ultrasonic attenuation equipment, which ordinarily is too imprecise for such work, is utilized. The precision is shown to be about 2 parts in 105.Keywords
This publication has 6 references indexed in Scilit:
- Variations of the Ultrasonic Pulse-Superposition Method for Increasing the Sensitivity of Delay-Time MeasurementsThe Journal of the Acoustical Society of America, 1965
- Instrumentation for Ultrasonic Attenuation StudiesReview of Scientific Instruments, 1962
- Analysis of the Pulse Superposition Method for Measuring Ultrasonic Wave Velocities as a Function of Temperature and PressureThe Journal of the Acoustical Society of America, 1962
- Ultrasonic Interferometer for the Measurement of the Temperature Dependence of Elastic ConstantsJournal of Applied Physics, 1958
- The Temperature Variation of the Elastic Moduli of NaCl, KCl and MgOPhysical Review B, 1936
- The Variation of the Adiabatic Elastic Moduli of Rocksalt with Temperature Between 80°K and 270°KPhysical Review B, 1936