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Dynamics of phase transformations in thermoelastic solids

Citation

Turteltaub, Sergio Ricardo (1997) Dynamics of phase transformations in thermoelastic solids. Dissertation (Ph.D.), California Institute of Technology. http://resolver.caltech.edu/CaltechETD:etd-02042008-151022

Abstract

The dynamical aspects of solid-solid phase transformations are studied within the framework of the theory of thermoelasticity. The main purpose is to analyze the role of temperature in the theory of phase transitions. This investigation consists of two parts: first, it is shown that by imposing a kinetic relation and a nucleation criterion it is possible to single out a unique solution to the Riemann problem for an adiabatic process. This extends to the thermomechanical case results previously found in a purely mechanical context. Secondly, based on an admissibility criterion for traveling wave solutions within the context of an augmented theory that includes viscosity, strain gradient and heat conduction effects, a special kinetic relation is derived using singular perturbation techniques.

Item Type:Thesis (Dissertation (Ph.D.))
Degree Grantor:California Institute of Technology
Division:Engineering and Applied Science
Major Option:Applied Mechanics
Thesis Availability:Restricted to Caltech community only
Research Advisor(s):
  • Knowles, James K.
Thesis Committee:
  • Knowles, James K. (chair)
  • Rosakis, Ares J.
  • Ravichandran, Guruswami
  • Caughey, Thomas Kirk
Defense Date:4 October 1996
Record Number:CaltechETD:etd-02042008-151022
Persistent URL:http://resolver.caltech.edu/CaltechETD:etd-02042008-151022
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:496
Collection:CaltechTHESIS
Deposited By: Imported from ETD-db
Deposited On:20 Feb 2008
Last Modified:26 Dec 2012 02:30

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