An equation of state for shock loaded powders

Petrie, M. W. and Page, N. W. (1991) An equation of state for shock loaded powders. Journal of Applied Physics, 69 6: 3517-3524. doi:10.1063/1.348493

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Author Petrie, M. W.
Page, N. W.
Title An equation of state for shock loaded powders
Journal name Journal of Applied Physics   Check publisher's open access policy
ISSN 0021-8979
1089-7550
Publication date 1991-03-15
Sub-type Article (original research)
DOI 10.1063/1.348493
Open Access Status File (Publisher version)
Volume 69
Issue 6
Start page 3517
End page 3524
Total pages 8
Place of publication Melville, NY, United States
Publisher A I P Publishing LLC
Language eng
Abstract A simple analytical model is developed for the shock Hugoniot of a powdered material. Previous models have exhibited decreasing accuracy when applied to powders and porous materials of high initial porosity. This deficiency has been avoided in the present model. A special feature of this model is provision for a cold pressure loading relation which covers the full range of consolidation mechanics including relative particle movement, elastic and plastic deformation,fracture and bulk compression. This empirical cold loading relation is incorporated into a Mie–Grüneisen treatment of the shock process. This ensures that the model correctly describes behavior for all starting porosities and shock strengths and as such is suitable for use with all powdered and porous materials. A limiting density ratio is prediced at high shock strengths. The accuracy of the model is demonstrated by comparison with previously published shock compaction data.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mechanical & Mining Engineering Publications
 
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Citation counts: TR Web of Science Citation Count  Cited 12 times in Thomson Reuters Web of Science Article | Citations
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