Quasidynamic compaction of a mesostructural material with inclusions reinforced by nanocrystalline particles

M. P. Bondar, M. A. Korchagin, E. S. Obodovskii, S. V. Panin, Ya L. Lukyanov

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A quasidynamic compaction technique is used to produce a mesostructural composite that represents the matrix framework from the base material filled with inclusions. The size of the latter is comparable with the matrix grain size. The mesostructural composite base is the powder of electrolytic copper or internally oxidized copper subjected to mechanical alloying with a nanocomposite. The latter is a mixture of 60 % of copper and 40 % of nanosized TiB2 particles. Due to high deformations the material exhibits the microstructure self-organization and the constant size of reinforcing TiB2 particles in the inclusions. Mechanical properties of the mesostructural composite exceed considerably those of the composite matrix. Mechanical properties of alloys from the internally oxidized copper matrix and 6-9 vol. % of TiB2 nanoparticles are close to properties of copper-based alloys with 18 vol. % of TiB2 nanoparticles. The electrical resistance of the mesostructural composite with the internally oxidized copper matrix (6-9 vol. % of TiB2 nanoparticles) is 2-4 % higher than that of internally oxidized copper and the electrical resistance of the copper-based alloy (18 vol. % of TiB2 nanoparticles) is 8 % higher.

Original languageEnglish
Pages (from-to)94-100
Number of pages7
JournalPhysical Mesomechanics
Volume12
Issue number1-2
DOIs
Publication statusPublished - 2009

Fingerprint

Copper
Compaction
inclusions
copper
composite materials
Composite materials
Nanoparticles
matrices
nanoparticles
Acoustic impedance
electrical resistance
mechanical properties
Mechanical properties
Mechanical alloying
Powders
alloying
Nanocomposites
nanocomposites
grain size
microstructure

Keywords

  • mesocomposite
  • microstructure
  • nanocomposite
  • quasidynamic compaction

ASJC Scopus subject areas

  • Mechanics of Materials
  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this

Quasidynamic compaction of a mesostructural material with inclusions reinforced by nanocrystalline particles. / Bondar, M. P.; Korchagin, M. A.; Obodovskii, E. S.; Panin, S. V.; Lukyanov, Ya L.

In: Physical Mesomechanics, Vol. 12, No. 1-2, 2009, p. 94-100.

Research output: Contribution to journalArticle

Bondar, M. P. ; Korchagin, M. A. ; Obodovskii, E. S. ; Panin, S. V. ; Lukyanov, Ya L. / Quasidynamic compaction of a mesostructural material with inclusions reinforced by nanocrystalline particles. In: Physical Mesomechanics. 2009 ; Vol. 12, No. 1-2. pp. 94-100.
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