The article is devoted to the actual task of shoсk non-destructive testing method for plywood quality estimation that is based on oscillations theory basic statements and considers the influence of process technological features. Held the analysis of plywood reological properties and investigated the dependency between the piezo module electric charge and plywood plate mechanical displacement. Improved shock-acoustic method and developed non-destructive testing instrument for plywood. Determined the best parameters for plywood non-destructive testing.
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Influence of thermal modification schedules on the physical and mechanical properties of hornbeam wood. The results of investigations of the physical and mechanical properties of dry and thermo modified by different schedules hornbeam wood are given.
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