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Title:The third order elastic constants of aluminum
Author(s):Thomas, Joseph Francis
Doctoral Committee Chair(s):Granato, A.V.
Department / Program:Physics
Discipline:Physics
Degree:Ph.D.
Genre:Dissertation
Subject(s):third order elastic constants
aluminum
uniaxial stress derivatives
natural sound velocities
interferometric techniques
Abstract:The complete set of six third order elastic constants of single crystal A1 has been experimentally determined by measuring both hydrostatic pressure and uniaxial stress derivatives of the natural sound velocities using a two specimen interferometric technique. The values obtained are ...in units of 101 2 dyn.cm -2 • I The specimens were neutron irradiated to eliminate dislocation effects~ from the uniaxial experiments. A se1fconsistent set ofhyd,rostatic pressure derivatives of the second order elastic constants has been calculated from the measured third order elastic constants. The' third order elastic constants have also been used to calculate the thermal expansion in the anisotropic continuum moqe1 at both high and low temperatures, and a comparison has been made to the directly measured expansion coefficients.
Issue Date:1968
Genre:Dissertation / Thesis
Type:Text
Language:English
URI:http://hdl.handle.net/2142/25724
Rights Information:1968 Joseph Francis Thomas, Jr.
Date Available in IDEALS:2011-07-08
Identifier in Online Catalog:6082991


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