Abstract

Flyer plates are used to impose pressure and pulse durations on specimens in explosively loaded systems. It is generally observed that significant changes in microstructure and microhardness are produced by this means. While the e ffect of shock loading on 304 stainless-steel has been investigated and shown to have a ϒ→α transformation, there have been no studies of the flyer plates. The major contribution which effects the flyer plate mirostructure is shock compression (resulting from explosive detonation) and the refracted shock wave after impact with the specimen assembly. The refracted shock waves has been addressed for the specimens. However, this has not been shown experimentally for the flyer plate. We looked at the microstructure of these flyer plates to answer questions raised regarding non-uniform shock fronts resulting from microstructural changes within the flyer-plate due to the shock event.

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