Predictions of the equation of state of cerium yield interesting insights into experimental results
- Los Alamos National Laboratory
- VNIITF
There has been much interest in the past in understanding the dynamic properties of phase changing materials. In this paper we begin to explore the dynamic properties of the complex material of cerium. Cerium metal is a good candidate material to explore capabilities in determining a dynamic phase diagram on account of its low dynamic phase boundaries, namely, the {gamma}-{alpha}, and {alpha}-liquid phase boundaries. Here we present a combination of experimental results with calculated results to try to understand the dynamic behavior of the material. Using the front surface impact technique, we performed a series of experiments which displayed a rarefaction shock upon release. These experiments show that the reversion shock stresses occur at different magnitudes, allowing us to plot out the {gamma}-{alpha} phase boundary. Applying a multiphase equation of state a broader understanding of the experimental results will be discussed.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC52-06NA25396
- OSTI ID:
- 956580
- Report Number(s):
- LA-UR-09-01437; LA-UR-09-1437; TRN: US201014%%1949
- Resource Relation:
- Journal Volume: 2; Conference: DYMAT 2009, 9th International conference on the mechanical and physical behavior of materials under dynamic loading ; September 7, 2009 ; Brussels, Belgium
- Country of Publication:
- United States
- Language:
- English
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