An apparatus for studying changes in ultrasonic attenuation and velocity

Fil, V. D.; Bezuglyi, P. A.; Masalitin, E.S.; Денисенко, В. И.

doi:10.1016/0011-2275(73)90189-6

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"Nonius" Methods Of Sound Velocity Measurement Principles An...1

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Cited by 5 publications

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“…The unbalance signal is separated into amplitude and phase components by high-frequency synchronous detectors. [5] In the compensation mode the receiver, with the aid of sampling-storage devices, matches the amplitudes of the signals arriving at its input at different times. In this case the unbalance signals with respect to amplitude and phase are produced through a special code modulation of the pulse trains of the signals in the two channels.…”

Section: "Nonius" Methods Of Sound Velocity Measurement Principles An...mentioning

confidence: 99%

Elastic constants of borocarbides. New approach to acoustic measurement technique

Masalitin

Fil

Zhekov

et al. 2003

Low Temperature Physics

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A new version of the phase method of determining the sound velocity is 55proposed and implemented. It utilizes the "Nonius" measurement technique and can give acceptable accuracy (≤ 1%) in samples of submillimeter size. Measurements of the sound velocity are made in single-crystal samples of the borocarbides RNi2B2C (R = Y, Lu, Ho). The elastic constants and the Debye temperature are calculated.

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Section: "Nonius" Methods Of Sound Velocity Measurement Principles An...mentioning

confidence: 99%