Nonlinear Acoustic Properties of the B95 Aluminum Alloy and the B95/Nanodiamond Compositeстатья
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Аннотация:Research results for the nonlinear acoustic properties of the B95 polycrystalline aluminum alloy
and the B95/nanodiamond composite have been described. The nonlinear properties of the alloys have been
studied by the spectral method that measures the efficiency of generation of the second harmonic of a bulk
acoustic wave at a frequency of 2f = 10 MHz in the field of a finite-amplitude longitudinal acoustic wave at a
frequency of f = 5 MHz. The results derived by this method have been compared with the results of studies of
the nonlinear acoustic properties of the test alloys using the Thurston–Brugger quasi-static method.
Keywords: B95 alloy, B95/nanodiamond composite, nonlinear acoustic parameter, second- and third-order