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SOURCE:    Almanac of Modern Science and Education. Tambov: Gramota, 2016. № 10. P. 25-28.
SCIENTIFIC AREA:    Physical-Mathematical Sciences
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INFLUENCE OF PLASTIC DEFORMATION ON SPREAD RATE OF LONGITUDINAL WAVES

Gulgezli Alesker Samed ogly
Azerbaijan State Oil and Industrial University in Baku


Abstract. In the article it is proved that Poisson’s ratio becomes equal to 0.5 on yield surface in stress space, but with development of plastic deformations it decreases again. A new, more accurate condition of plastic incompressibility is obtained. It is proved that with appearance of plastic deformations spread rate of longitudinal elastic waves in infinite medium increases infinitely, which makes it possible to transmit information at a very high speed.
Key words and phrases: коэффициент Пуассона, пластические деформации, напряжение, условие пластической несжимаемости, упругие волны, скорость, Poisson’s ratio, plastic deformations, voltage, plastic incompressibility condition, elastic waves, speed
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  2. Baklashov I. V., Kartoziya B. A. Mekhanika gornykh porod. M.: Nedra, 1990. 252 s.
  3. Kachanov L. M. Osnovy teorii plastichnosti. M.: Nauka, 1969. 420 s.
  4. Sedov L. I. Mekhanika sploshnoi sredy. M.: Nauka, 1970. T. 1. 492 s.

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