Journal
Scientific and technical journal «Priborostroenie»
UDK519.7
Issue:7 (63)
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DETERMINATION OF MECHANICAL AND ACOUSTIC CHARACTERISTICS OF BRITTLE MATERIALS AT VARIOUS RATES OF SAMPLES LOADING
Annotation
Mechanical properties and characteristics of acoustic emission of brittle materials under various loading rates are studied. Based on performed theoretical analysis and data obtained during testing of samples of cast iron, coal, and concrete, graphs of the time dependence of stress-strain and acoustic characteristics of the samples are plotted. The mechanical strength and deformation of samples, as well as acoustic emission parameters, are compared with the loading rate. The analysis of mechanical prop-erties and acoustic characteristics of samples provides information that can be used in engineering cal-culations.
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