The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 12, 2016
Filed:
Jul. 15, 2014
U.s. Army Research Laboratory, Washington, DC (US);
Cyril L. Williams, Newark, DE (US);
Daniel R. Scheffler, Belcamp, MD (US);
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Abstract
A method for extracting material and mechanical properties of a cylinder subject to expansion cause by an explosion so as to better understand the evolution of damage. The method is directed towards obtaining material and mechanical properties of the cylinder between an undeformed state and a state of deformation prior to total fracture. The method includes the steps of providing: (1) a plurality of cylinders, each of which have the same physical dimensions; (2) a plurality of charges, each of the plurality of charges having a different diameter and hence explosive force; and (3) a fluid having a shock impedance less than a shock impedance of any of the plurality of charges. The method further includes the step of placing the charges in a respective cylinders, tilling the cylinder with the fluid and detonating the charge, and recording the cylinder radial velocity during radial expansion and post-mortem material properties.
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