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Special features in convergence dynamics of steel shells under their explosive loading. Results of laser-interferometric measurements

The Fabry-Perot laser-interferometric diagnostics and the recovery method were used to study features of the convergence dynamics for high-radii shells of hardened 30KhGSA steel ( HRC 35–40) and austenitic stainless 12Kh18N10T steel in the spherical explosive systems having the external radii R HE =...

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Bibliographic Details
Published in:Physics of metals and metallography 2011-10, Vol.112 (4), p.389-404
Main Authors: Kozlov, E. A., Brichikov, S. A., Boyarnikov, D. S., Kuchko, D. P., Degtyarev, A. A.
Format: Article
Language:English
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Summary:The Fabry-Perot laser-interferometric diagnostics and the recovery method were used to study features of the convergence dynamics for high-radii shells of hardened 30KhGSA steel ( HRC 35–40) and austenitic stainless 12Kh18N10T steel in the spherical explosive systems having the external radii R HE = 40 and 110 mm. The experiments helped us to determine loading conditions that cause the following modes of convergence in steel shells: spall-free convergence, spall convergence with the closure of the spall with the main part of the shell, spall convergence without closure of spalls.
ISSN:0031-918X
1555-6190
DOI:10.1134/S0031918X11040259