![]() Lagrangian Analysis with an Emphasis on Unloading Processes Nonhydrostatic Effects in Stress-Wave Induced Phase Transformation of Calcite Pressure-Shear Impact and the Dynamic Plastic Response of Metals Hugoniot Measurements on Unsintered Metal Powders The Velocity of Sound Behind Strong Shock Waves in 2024 Al Rarefaction Velocities in Shocked Tantalum and the High Pressure Melting Point Hugoniot Measurements in Vanadium Using the LLNL Two-Stage Light-Gas Gun ![]() Shock Hugoniot Measurements on Ta to 0.78 TPa In Aluminum and Molybdenum Between 0.1 - 2.5 TPa (1-25 Mbar) Theory of the Iron Equation of State and Melting Curve to Very High PressuresĬompressive Waves and Shock Waves in Anharmonic Solids Static P-T-V Measurements on MgO: Comparison with Shock Wave DataĪ Theoretical Equation of State for Uranium ![]() Measured Hugoniot States of a Two-Element Fluid, 02 + N2, near 2 Mg / m3Įquations of State for the Alkali Metals, with Generalizations to NaCl Prediction of Pressure Induced Structural Phase Transitions and Internal Mode Frequency Changes in Sol id N2+ Theoretical and Experimental Studies of Shock-Compressed Benzene and Polybutene Shocked Fluids at High Densities and Temperatures Table of ContentsĪ Review of Some Recent Theoretical Calculations of Phase Transitions and Comparisons with Experimental Results The selection is a dependable reference for scientists and readers interested in the response of matter when exposed to dynamic high pressure and temperature. Shock wave diagnostics by time-resolved infrared radiometry and non-linear Raman spectroscopy Raman scattering temperature measurement behind a shock wave and experiments and simulation on laser-driven shock wave evolution in aluminum targets are also discussed. The manuscript takes a look at flaw nucleation and energetics of dynamic fragmentation, shock loading behavior of fused quartz, and aluminum damage simulation in high-velocity impact. The text then ponders on nonhydrostatic effects in stress-wave induced phase transformation of calcite Bauschinger effect model suitable for use in large computer codes and strain rate sensitivity prediction for porous bed compaction. The selection first elaborates on the review of theoretical calculations of phase transitions and comparisons with experimental results theoretical and experimental studies of shock-compressed benzene and polybutene and theory of the iron equation of state and melting curve to very high pressures. The book focuses on the response of matter to dynamic high pressure and temperature. We also discuss possible not-shock-related triggers for iron melt.Shock Waves in Condensed Matter – 1983 covers the proceedings of the American Physical Society Topical Conference, held in Santa Fe, New Mexico on July 18-21, 1983. Isale tillotson eos code#Material impedances, grain shapes, and the porosity models available in the iSALE code are discussed. We demonstrate the difficulties of shock heating in iron and also the importance of porosity. The results showed that shock-darkening, associated with troilite melt and the onset of olivine melt, happened between 40 and 50GPa with 52GPa being the pressure at which all tracers in the troilite material reach the melting point. The post-shock temperatures (and the fractions of the tracers experiencing temperatures above the melting point) for each material were estimated after the passage of the shock wave and after the reflections of the shock at grain boundaries in the heterogeneous materials. We used Lagrangian tracers to record the peak shock pressures in each material unit. ![]() We used equations of state (Tillotson EoS and ANEOS) and basic strength and thermal properties to describe the material phases. Iron and troilite grains were resolved in a porous olivine matrix in the sample layer. We simulated planar shock waves on a mesoscale in a sample layer at different nominal pressures. Abstract We determined the shock-darkening pressure range in ordinary chondrites using the iSALE shock physics code. ![]()
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