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Title: Lattice Heat Capacity of Nanostructured Materials Based on Titanium/Zirconium and Aluminum

Abstract

The dynamic and thermal properties of nanostructured materials based on aluminum with the periodic inclusions of Ti or Zr clusters have been investigated by the method of molecular dynamics. The elastic moduli, spectral vibrational densities of states, and temperature dependences of heat capacity for different Ti–Al and Zr–Al systems have been obtained. The effect of specific features of the phonon spectrum on the heat capacity of the nanocomposite lattice has been examined. It is shown that the ordering type and size of Ti/Zr clusters in the aluminum matrix significantly affect the elastic properties and heat capacity. The results obtained can be used for fabricating new aluminum-, titanium-, and zirconium-based composites with the desired properties.

Authors:
;  [1]
  1. Russian Academy of Sciences, Ural Branch, Physical-Technical Institute (Russian Federation)
Publication Date:
OSTI Identifier:
22771131
Resource Type:
Journal Article
Journal Name:
Physics of the Solid State
Additional Journal Information:
Journal Volume: 60; Journal Issue: 5; Other Information: Copyright (c) 2018 Pleiades Publishing, Ltd.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 1063-7834
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; ALUMINIUM; ATOMIC CLUSTERS; DENSITY OF STATES; ELASTICITY; INCLUSIONS; MOLECULAR DYNAMICS METHOD; NANOCOMPOSITES; NANOSTRUCTURES; PERIODICITY; PHONONS; SIMULATION; SPECIFIC HEAT; SPECTRA; TEMPERATURE DEPENDENCE; TITANIUM ADDITIONS; ZIRCONIUM ADDITIONS

Citation Formats

Dolgusheva, E. B., E-mail: elena@ftiudm.ru, and Trubitsin, V. Yu. Lattice Heat Capacity of Nanostructured Materials Based on Titanium/Zirconium and Aluminum. United States: N. p., 2018. Web. doi:10.1134/S1063783418050074.
Dolgusheva, E. B., E-mail: elena@ftiudm.ru, & Trubitsin, V. Yu. Lattice Heat Capacity of Nanostructured Materials Based on Titanium/Zirconium and Aluminum. United States. doi:10.1134/S1063783418050074.
Dolgusheva, E. B., E-mail: elena@ftiudm.ru, and Trubitsin, V. Yu. Tue . "Lattice Heat Capacity of Nanostructured Materials Based on Titanium/Zirconium and Aluminum". United States. doi:10.1134/S1063783418050074.
@article{osti_22771131,
title = {Lattice Heat Capacity of Nanostructured Materials Based on Titanium/Zirconium and Aluminum},
author = {Dolgusheva, E. B., E-mail: elena@ftiudm.ru and Trubitsin, V. Yu.},
abstractNote = {The dynamic and thermal properties of nanostructured materials based on aluminum with the periodic inclusions of Ti or Zr clusters have been investigated by the method of molecular dynamics. The elastic moduli, spectral vibrational densities of states, and temperature dependences of heat capacity for different Ti–Al and Zr–Al systems have been obtained. The effect of specific features of the phonon spectrum on the heat capacity of the nanocomposite lattice has been examined. It is shown that the ordering type and size of Ti/Zr clusters in the aluminum matrix significantly affect the elastic properties and heat capacity. The results obtained can be used for fabricating new aluminum-, titanium-, and zirconium-based composites with the desired properties.},
doi = {10.1134/S1063783418050074},
journal = {Physics of the Solid State},
issn = {1063-7834},
number = 5,
volume = 60,
place = {United States},
year = {2018},
month = {5}
}