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Title: Constitutive model used in computer simulation of time-resolved, shock-wave data

Abstract

A constitutive model was designed for use with high-speed, hydrodynamic computer codes. The model, valid at high-deformation rates, accounts for pressure and temperature dependence of the yield strength and shear modulus, work hardening, pressure-dependent melting, Bauschinger and strain-rate effects, and spall. There are a minimum number of parameters needed to implement the model, and most can be determined without recourse to shock-wave data. At Lawrence Livermore National Laboratory, we assembled a library of these material properties for 44 metals, alloys, mixtures, and compounds. Shock and release data from plate-impact experiments for Be, U, Ta, Cu, 1100-0, and 6061-T6 al, with peak stresses from 6.4 to 230 GPa, are successfully compared against calculations.

Authors:
Publication Date:
Research Org.:
Lawrence Livermore National Lab., CA (USA)
OSTI Identifier:
5132809
Report Number(s):
UCRL-93703; CONF-861091-9
ON: DE87000972
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Conference
Resource Relation:
Conference: Hypervelocity impact symposium, San Antonio, TX, USA, 21 Oct 1986; Other Information: Portions of this document are illegible in microfiche products
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; SHOCK WAVES; COMPUTERIZED SIMULATION; ALUMINIUM BASE ALLOYS; BERYLLIUM; COPPER; HARDENING; HYDRODYNAMICS; PRESSURE DEPENDENCE; SHEAR PROPERTIES; SPALLATION; TANTALUM; TEMPERATURE DEPENDENCE; URANIUM; YIELD STRENGTH; ACTINIDES; ALKALINE EARTH METALS; ALLOYS; ALUMINIUM ALLOYS; ELEMENTS; FLUID MECHANICS; MECHANICAL PROPERTIES; MECHANICS; METALS; NUCLEAR REACTIONS; SIMULATION; TRANSITION ELEMENTS; 657002* - Theoretical & Mathematical Physics- Classical & Quantum Mechanics

Citation Formats

Steinberg, D J. Constitutive model used in computer simulation of time-resolved, shock-wave data. United States: N. p., 1986. Web.
Steinberg, D J. Constitutive model used in computer simulation of time-resolved, shock-wave data. United States.
Steinberg, D J. Wed . "Constitutive model used in computer simulation of time-resolved, shock-wave data". United States.
@article{osti_5132809,
title = {Constitutive model used in computer simulation of time-resolved, shock-wave data},
author = {Steinberg, D J},
abstractNote = {A constitutive model was designed for use with high-speed, hydrodynamic computer codes. The model, valid at high-deformation rates, accounts for pressure and temperature dependence of the yield strength and shear modulus, work hardening, pressure-dependent melting, Bauschinger and strain-rate effects, and spall. There are a minimum number of parameters needed to implement the model, and most can be determined without recourse to shock-wave data. At Lawrence Livermore National Laboratory, we assembled a library of these material properties for 44 metals, alloys, mixtures, and compounds. Shock and release data from plate-impact experiments for Be, U, Ta, Cu, 1100-0, and 6061-T6 al, with peak stresses from 6.4 to 230 GPa, are successfully compared against calculations.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1986},
month = {10}
}

Conference:
Other availability
Please see Document Availability for additional information on obtaining the full-text document. Library patrons may search WorldCat to identify libraries that hold this conference proceeding.

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