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Phase Transformation Under Intense Shock Pressure Loading

Published online by Cambridge University Press:  15 February 2011

Dennis E. Grady
Dennis E. Grady*
Affiliation:
Sandia National Laboratories, Albuquerque, NM 87185
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Abstract

Solids subjected to high velocity impact or explosive loading may undergo polymorphic phase transformation or melting within time periods appreciably less than 10-8s due to the intense shock-pressure environment. Although criteria for equilibrium phase transformation on the Hugoniot are satisfied, other nonequilibrium features unique to the shock-wave environment have been identified in the shock transformation process. These features include shear and heterogeneous deformation effects which control the transformation kinetics and microstructure of the transformed material. Transformation under shock loading leads to unusual microstructure in the recovered materials and can result in interesting and useful changes in physical and mechanical properties.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 19: Symposium E – Alloy Phase Diagrams , 1982, 377
Copyright
Copyright © Materials Research Society 1983

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References

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