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Utilization of structural parameters to investigate the thermostress state of a deformable body under pulse heating

Journal Article · · J. Eng. Phys. (Engl. Transl.); (United States)
DOI:https://doi.org/10.1007/BF00870539· OSTI ID:5959204
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Equations to determine the temperature and stress in a solid body under nonstationary loading are obtained from relations of the thermodynamics of irreversible processes with internal structural parameters. It is assumed that the thermostress state of a deformable body is determined by four thermodynamic functions: free energy, entropy, stress tensor, and heat flux density. Expressions for these functions are derived based on energy and momentum conservation laws are derived along with forms of the Clausius-Duhem inequality. Kinetic equations are postulated to determine the structural parameters. The phonon vector distribution function is calculated. Various changes in structural parameters such as viscosity, deformation, damage accumulation, and phase transition behavior resulting from the application and conduction of heat are computed.

Research Organization:
N.E. Bauman Moscow Higher Technical Institute (USSR)
OSTI ID:
5959204
Journal Information:
J. Eng. Phys. (Engl. Transl.); (United States), Journal Name: J. Eng. Phys. (Engl. Transl.); (United States) Vol. 54:3; ISSN JEPHA
Country of Publication:
United States
Language:
English

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Related Subjects

656002* -- Condensed Matter Physics-- General Techniques in Condensed Matter-- (1987-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CONSERVATION LAWS
CONTINUITY EQUATIONS
CRYSTAL STRUCTURE
CRYSTALS
DAMAGE
DEFORMATION
DIFFERENTIAL EQUATIONS
DISTRIBUTION FUNCTIONS
ELASTICITY
ENERGY
ENERGY TRANSFER
ENTROPY
EQUATIONS
FLUX DENSITY
FREE ENERGY
FUNCTIONS
HEAT FLUX
HEAT TRANSFER
IRREVERSIBLE PROCESSES
KINETIC EQUATIONS
MATERIALS
MATHEMATICAL MODELS
MECHANICAL PROPERTIES
PARTIAL DIFFERENTIAL EQUATIONS
PHASE TRANSFORMATIONS
PHONONS
PHYSICAL PROPERTIES
QUASI PARTICLES
STRESS ANALYSIS
STRESSES
TEMPERATURE EFFECTS
TENSILE PROPERTIES
TENSORS
THERMAL STRESSES
THERMODYNAMIC PROPERTIES
THERMODYNAMICS
THERMOELASTICITY
VECTORS
VISCOSITY