Program overview

FRIDAY MORNING, 2 JULY 1999

08:00 R1.01 Pressure and Temperature Dependence of XPD Spectra and Second Harmonic Generation Efficiency of LX-04 & PBX-9501:Another Look Into the Kinetic Behaviour of the beta ->delta Phase Transition of HMX

Joseph Zaug (University of California, Lawrence Livermore National Laboratory), Laura Blosch, David Shuh (University of California, Lawrence Berkeley National Laboratory)

08:15 R1.02 Measurement of Porosity in Energetic Materials by Small Angle Neutron Scattering

Joseph T. Mang, Cary B. Skidmore, Phillip M. Howe, Rex P. Hjelm (Los Alamos National Laboratory)

08:30 R1.03 Meso-scale Origins of the Low- Pressure Equation of State and High Rate Mechanical Properties of Plastic Bonded Explosives

Joseph C. Foster Jr. (AFRL/ MN Eglin AFB FL), Joseph G. Glenn (AFRL/MN Eglin AFB FL), Mike Gunger (Orlando Technology, Inc.)

08:45 R1.04 Some Observations on the Structure of TATB

David S. Phillips, Ricardo B. Schwarz, Cary B. Skidmore, Blaine W. Asay, Steven F. Son (Los Alamos National Laboratory)

09:00 R1.05 Particle Morphology Effects on Shock Sensitivity of TATB

James Kennedy, Steven Son, Blaine Asay, Cary Skidmore, Kien-Yin Lee (Los Alamos National Laboratory)

09:15 R1.06 Physical and Chemical Microstructural Damage in Pressed CL-20 explosives

Gauthier Demol, Harold W. Sandusky (Naval Surface Warfare Center/Indian Head Division)

09:30 R1.07 Nanostructure of Porosity (and Entrapped Solvent Effects) in Laboratory-Grown Crystals of RDX as Revealed by an AFM*

J. Sharma (NSWCCD, Bethesda, MD 20817), C.S. Coffey (NSWCIHD, Indian Head, MD 20640), R.W. Armstrong (University of Maryland, College Park, MD 20742), W.L. Elban (Loyola College, Baltimore, MD 21210)

09:45 R1.08 Dislocation Characteristics in Energetic Crystals

Ronald W. Armstrong (University of Maryland, College Park, MD 20742-5035), Wayne L. Elban (Loyola College, Baltimore, MD 21210-2699)

08:00 R2.01 Solitons, Shock Waves in Strongly Nonlinear Particulate Media

Vitali Nesterenko (Department of AMES, UC San Diego, CA 92093)

08:15 R2.02 Universal Relations for Pressure-Shear Waves in Nonlinear Elastic Solids

Mike Scheidler (U.S. Army Research Laboratory)

08:30 R2.03 Ab initio polymorphic equations of state for silicon

D.C. Swift (University of Edinburgh)

08:45 R2.04 The equation of state of dense reactive supercritical mixtures containing the elements H, C, F, and Cl

Laurence E. Fried, W. Michael Howard (Lawrence Livermore National Laboratory)

09:00 R2.05 Shock polar calculation using Gauss's principle of least constraint

Laurent Soulard (CEA/DAM - Ile de France)

09:15 R2.06 Equation of State Model for Tributyl Phosphate

Nancy A. Winfree (Applied Research Associates, Inc.), Gerald I. Kerley (Kerley Technical Consulting Services)

09:30 R2.07 Application of equilibrium chemistry and the Williamsburg equation of state to HMX-based explosives

M. Braithwaite (ICI Technology), D.C. Swift (Fluid Gravity Engineering Ltd)

09:45 R2.08 Optimized JCZ3 Procedures for Detonation Properties at Highly Overdriven Conditions

Leonard I. Stiel (Polytechnic University, Brooklyn, new York 11201), Ernest L. Baker (U.S> Army TACOM-ARDEC, Picatinny Arsenal, New Jersey 07806)

08:00 R3.01 A review on lateral stress measurements with piezoresistance gauges

Zvi Rosenberg (Rafael, POBox 2250 Haifa, Israel)

08:30 R3.02 The Response of Foams to Shock Compression

Ron Winter, Peter Taylor, Darren Salisbury (AWE, Aldermaston, UK)

08:45 R3.03 Study Of The Fracture Dynamics In Glass Using An Ultra High-Speed Digital Imaging System

Dan Yaziv, Donald Grosch, Charles Anderson (Southwest Research Institute)

09:00 R3.04 Penetration Depth/Velocity Versus Time History Measurement on Brittle Materials

C. Liu, Thomas J. Ahrens (Seismo. Lab., 252-21, Caltech. Pasadena, 91125)

09:15 R3.05 Phase Transition in Porous Silicon under Shock Compression

Sergey D. Gilev, Anatoliy M. Trubachev (Lavrentyev Institute of Hydrodynamics, Novosibirsk, Russia)

09:30 R3.06 In-Situ Magnetic Gauging Technique Used at LANL -- Method and Shock Information Obtained

Stephen A. Sheffield (Los Alamos National Laboratory)

08:00 R4.01 Analytical Modeling of Shear-Induced Chemical Reactions in Mixed Powders

Yasuyuki Horie (North Caolina State University, Raleigh, NC 27695-7908)

08:15 R4.02 Shock Induced Reaction to Refractory Metal Di-Silicides from MA Precursor

Tatsuhiko Aizawa (Department of metallurgy, University of Tokyo), Ken-ichi Ichige (Department of Metallurgy,University of Tokyo), Yasuhiko Syono (Institute of materials Research, Tohoku Univerisity), Silicide Collaboration

08:30 R4.03 An Analysis of Shock-Compression in Mo-Si Powder Mixtures Using Recovery and Time-Resolved Measurements

Kevin S. Vandersall, Naresh N. Thadhani (Georgia Institute of Technology)

08:45 R4.04 Possibility of making polycrystalline diamond using high-temperature shock consolidation technique

Kazuyuki Hokamoto, Masahiro Fujita (Dept. of Mech. Eng. amp; Mater. Sci.,Kumamoto University, Japan), Sei-ichiro Tanaka (Kumamoto Prefectural College of Technology, Japan), Makoto Ayabe (Graduate Student, Kumamoto University), Shigeru Itoh (Dept. of Mech. Eng. amp; Mater. Sci., Kumamoto University, Japan)

09:00 R4.05 Shock and impact initiation of a porous incendiary material

Jeffery Davis (Naval Air Warfare Center, China Lake CA 93555), Phil Miller, Diana Woody

09:15 R4.06 Attempts to initiate detonations in metal-sulfur mixtures

Samuel Goroshin, Junping Jiang, John H.S. Lee, Massimiliano Romano (McGill University, Canada)

09:30 R4.07 Three-dimensional modeling of impact of capsule with Ti-C powder mixture on target

Vassili A. Gorelski, Vadim V. Kim, Aleksei Yu. Smolin (Tomsk Branch of the Institute of Structural Macrokinetics and Materials Science RAS)

09:45 R4.08 Investigation of Role of Cocentration Ingomogeneity of Powder Mixture in the Initiation of "Shock-Induced" Chemical Reaction

V.N. Leitsin, V.A. Skripnyak (Tomsk State University, Russia)

08:00 R5.01 Shock-induced phase transitions of ZrSiO4, reversion kinetics, and implications for impact heating in terrestrial craters

Peter S. Fiske (Physics and Space Technology Directorate/Lawrence Livermore National Lab)

08:15 R5.02 Porosity Effects on Impact Processes in Solar System Materials

Sarah T. Stewart, Thomas J. Ahrens (California Institute of Technology)

08:30 R5.03 Wrinkle-like Slip Pulse on an Interface between Different Materials

Dudley Joe Andrews (U.S. Geological Survey)

08:45 R5.04 Shock Temperature in Calcite (CaCO_3) at 115 to 185 GPa: Implications for Shock Induced Decomposition.

Satish C. Gupta (High Pressure Physics Division, Bhabha Atomic Research Centre, Trombay, Bombay-400 085, INDIA), Stanley G. Love (Johnson Space Center MC CB, Astronaut Office, Houston, TX 77058), Thomas J. Ahrens (Caltech 252-21, Pasadena, CA 91125)

09:00 R5.05 Shock Hugoniot Properties of Cement from 0.5 to 5 GPa

K. Tsembelis (PCS, Cavendish Laboratory, Cambridge University, United Kingdom), N.K. Bourne (RMCS, Cranfield University, United Kingdom), J.C.F. Millett, J.E. Field (PCS, Cavendish Laboratory, Cambridge University, United Kingdom)

09:15 R5.06 Numerical Investigations of the Behavior of Plain and Reinforced Concrete Subjected to Explosive Loading

Tarabay Antoun, Douglas Clarke, Lewis Glenn, Bill Moran (LLNL)

09:30 R5.07 Existence of a Structural Distortion in Perovskite Phase of CaSiO_3 at High Pressure.

K.D. Joshi, Satish C. Gupta (BARC, Mumbai, India.)

09:45 R5.08 An Experimental Characterization of the Dynamic Impact Failure of Mortar

D.L. Grote II, M. Zhou (Georgia Institute of Technology)