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Acoustic Wave Propagation in some Rock-Forming Oxides at High Temperatures
The acoustic wave velocities have been calculated using the values of second order elastic constants (SOECs) and density ρ. In this study first the second order elastic constants for some oxides CdO, CoO and FeO which possess face centered cubic crystal structure are computed and then acoustic wave velocities has been obtained along different crystallographic directions starting from 100K to an elevated temperature 1000K. The results thus obtained are presented graphically, compared and discussed. The relations presented can be applied to all materials likely to exist in the earth's mantle and crust with rock-salt structure and therefore provide a useful means of considering the properties of rock-forming compounds.
Keywords
Elastic Constants, Ultrasonic Velocity, Face Centered Cubic.
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