Delayed Failure in a Shock Loaded Alumina
Journal Article
·
· AIP Conference Proceedings
- Defence Academy of the UK, Cranfield University, Shrivenham, Swindon, SN6 8LA (United Kingdom)
- University of Manchester, Sackville Street, Manchester, M60 1QD (United Kingdom)
- Army Research Laboratory, Weapons Materials Directorate, Aberdeen Proving Ground, Maryland 21005-5069 (United States)
Manganin stress gauges have been used to measure the lateral stress in a shock-loaded alumina. In combination with known longitudinal stresses, these have been used to determine the shear strength of this material, behind the shock front. The two-step nature of the lateral stress traces shows a slow moving front behind the main shock, behind which shear strength undergoes a significant decrease. Results also show that this front decreases markedly in velocity as the HEL is crossed, suggesting that limited plasticity occurs during inelastic deformation. Finally, comparison of measured shear strengths with other aluminas shows a high degree of agreement.
- OSTI ID:
- 20875780
- Journal Information:
- AIP Conference Proceedings, Vol. 845, Issue 1; Conference: American Physical Society Topical Group conference on shock compression of condensed matter, Baltimore, MD (United States), 31 Jul - 5 Aug 2005; Other Information: DOI: 10.1063/1.2263454; (c) 2006 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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