Accession Number:

ADA469941

Title:

Equation of State of Aluminum-Iron Oxide-Epoxy Composite

Descriptive Note:

Journal article

Corporate Author:

AIR FORCE RESEARCH LAB EGLIN AFB FL MUNITIONS DIRECTORATE

Report Date:

2007-07-01

Pagination or Media Count:

11.0

Abstract:

We report on the measurements of the shock equation of state Hugoniot of an AlFe2O3epoxy composite, prepared by epoxy cast curing of powder mixtures. Explosive loading, with Baratol, trinitrotoluene TNT, and Octol, was used for performing experiments at higher pressures, in which case shock velocities were measured in the samples and aluminum, copper, or polymethyl methacrylate PMMA donor material, using piezoelectric pins. The explosive loading of the metal donors aluminum and copper will be discussed. Gas gun experiments provide complementary lower pressure data in which piezoelectric polyvinylidene fluoride PVF stress gauges were used to measure the input and propagated stress wave profiles in the sample and the corresponding shock propagation velocity. The results of the Hugoniot equation of state are compared with mesoscale finite-element simulations, which show good agreement.

Subject Categories:

  • Inorganic Chemistry
  • Organic Chemistry
  • Laminates and Composite Materials

Distribution Statement:

APPROVED FOR PUBLIC RELEASE