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Layered reactive particles with controlled geometries, energies, and reactivities, and methods for making the same

United States Patent

April 30, 2013
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
An energetic composite having a plurality of reactive particles each having a reactive multilayer construction formed by successively depositing reactive layers on a rod-shaped substrate having a longitudinal axis, dividing the reactive-layer-deposited rod-shaped substrate into a plurality of substantially uniform longitudinal segments, and removing the rod-shaped substrate from the longitudinal segments, so that the reactive particles have a controlled, substantially uniform, cylindrically curved or otherwise rod-contoured geometry which facilitates handling and improves its packing fraction, while the reactant multilayer construction controls the stability, reactivity and energy density of the energetic composite.
Fritz; Gregory M. (Pikesville, MD), Knepper; Robert Allen (Baltimore, MD), Weihs; Timothy P. (Baltimore, MD), Gash; Alexander E. (Brentwood, CA), Sze; John S. (Saratoga, CA)
Lawrence Livermore National Security, LLC (Livermore, CA), John Hopkins University (Baltimore, MD)
12/ 605,281
October 23, 2009
FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The United States Government has rights in this invention pursuant to Contract No. DE-AC52-07NA27344 between the United States Department of Energy and Lawrence Livermore National Security, LLC for the operation of Lawrence Livermore National Laboratory.