The structure of explosively shocked MgO crystals

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Abstract
The structure of MgO single crystals subjected to plane shock waves was studied for a number of explosive shocking geometries. The density of dislocation slip bands was found to be more than an order of magnitude greater for certain of these crystals than for crystals deformed to the same permanent strain in slow compression. In addition, the order of events during shock loading appears to be shock-induced slip followed by cracking. The experimental results show that the structure, strain, and cracking induced in the shock-loaded crystals is related to the explosive shocking geometry.

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