Temperature Dependence of the Elastic Behavior of Structurally Disordered Metallic Superlattices

Jaszczak, J. A.; Wolf, D.

doi:10.1557/proc-229-85

Temperature Dependence of the Elastic Behavior of Structurally Disordered Metallic Superlattices

Conference · Sun Mar 31 23:00:00 EST 1991 · Materials Research Society Symposia Proceedings

DOI:https://doi.org/10.1557/proc-229-85· OSTI ID:5750027

Jaszczak, J. A. ^[1]; Wolf, D. ^[1]

Argonne National Laboratory (ANL), Argonne, IL (United States)

The structure and elastic properties of superlattices composed of high-angle twist grain boundaries on (100) planes of copper are investigated as a function of both the modulation wavelength and temperature via molecular dynamics simulations. Comparison is made with zero-temperature results, where a stiffening of the Young's modulus normal to the interfaces and a softening of the modulus for shear parallel to the interfaces has previously been observed. The differences between the effects of homogeneous (temperature-induced) and inhomogeneous (interface-induced) structural disorder on the elastic properties is explored.

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Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE); US Department of the Navy, Office of Naval Research (ONR)

DOE Contract Number:: W-31109-ENG-38

OSTI ID:: 5750027

Report Number(s):: ANL/CP--73338; CONF-910406--19; ON: DE91014007; CNN: N00014-88-F-0019

Journal Information:: Materials Research Society Symposia Proceedings, Journal Name: Materials Research Society Symposia Proceedings Vol. 229; ISSN 0272-9172

Publisher:: Springer Nature

Country of Publication:: United States

Language:: English

References (27)

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36 MATERIALS SCIENCE
360103* -- Metals & Alloys-- Mechanical Properties
COMPUTERIZED SIMULATION
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MICROSTRUCTURE
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Temperature Dependence of the Elastic Behavior of Structurally Disordered Metallic Superlattices

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