Abstract
The results of studies of solid-state materials using AMD-methods are presented. It is shown that, regardless of the type of structure of the studied materials and their nature, acoustic waves provide subsurface images. The proposed methods allow measuring the velocity of surface acoustic waves and their level of attenuation. These characteristics and acoustic images make it possible to evaluate the parameters of ordering the structure of subsurface layers of materials.
Highlights
The study of materials in a condensed state is still an urgent material science task
The structure or structure of these subsurface, internal regions of materials can be effectively studied using modern research methods called AMD-methods [3,4]. Algorithms for their application were considered earlier [5,6,7]. They are based on obtaining images of the structure of materials using acoustic waves (AW) at various depths from the surface and analyzing these images
There are a number of AMD-methods that allow you to calculate the absolute values of a number of acoustic characteristics of the studied samples or determine their relative changes under external influences
Summary
The study of materials in a condensed state is still an urgent material science task. They are based on obtaining images of the structure of materials using acoustic waves (AW) at various depths from the surface and analyzing these images. There are a number of AMD-methods that allow you to calculate the absolute values of a number of acoustic characteristics of the studied samples or determine their relative changes under external influences.
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