Mechanisms of micro-macro energy exchange and dynamic strength of solids

Yu. I. Meshcheryakov, A. K. Divakov, N. I. Zhigacheva, I. P. Makarevich, S. Yu. Mushnikova, G. Yu. Kalinin

Institute of Problems of Mechanical Engineering, Russian Academy of Sciences, St. Petersburg

Abstract: Two kinds of steel–30CrNi4Mo armor steel and austenitic 04Cr20Ni6Mn11Mo2NVNb (nitrogen) steel–have been taken for comparative experimental studying a shock-wave behavior under uniaxial strain conditions. For the first kind of steel, transferring energy from load to deformed body is found to be realized through intermediate structural scale (mesoscale), whereas for the second kind—directly, i.e. with-out intermediate scale level.

Received: 25.12.2009

 English version: Technical Physics Letters, 2010, 36:6, 514–516

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