The multifunctional pulse equipment allowіng to use the method of amplitude-independent internal friction in the frequency range 7.5 to 232.5 MHz is described. Equipment gjves the possibility to investigate the peculiarities ...

The influence of a preliminary deformation ε = 1,3% and X-ray irradiation to exposure doses 0…600 R on the frequency spectra of the dislocation ultrasonic absorption Δd(f) in NaCl crystals in the frequency interval 37,5…232,5 ...