Effect of the interface layer on the mechanical behavior of TiO2 nanoparticle reinforced aluminum matrix composites

J. H. Shin, H. J. Choi, M. K. Cho, D. H. Bae

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The interface reaction and its effect on the mechanical properties have been experimentally studied for aluminum-based composites reinforced with titanium dioxide nanoparticles (TiO2). Aluminum-based composites containing TiO2 nanoparticles (20 nm in size) are developed by hot-rolling the ball-milled powder. High chemical potential energy of the nanoparticles induces the fast formation of the interface layer during the heat treatment process, and high yield stress of 514 MPa in a composite containing 5 vol.% TiO2 nanoparticles can be achieved. Furthermore, dislocations are emitted at the nanoparticle/matrix interface during deformation due to the high stress concentration. This study can provide useful insights for the design of metal-matrix composites.

Original languageEnglish
Pages (from-to)99-106
Number of pages8
JournalJournal of Composite Materials
Volume48
Issue number1
DOIs
Publication statusPublished - 2014 Jan 1

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Aluminum
Nanoparticles
Composite materials
Hot rolling
Chemical potential
Potential energy
Powders
Titanium dioxide
Yield stress
Stress concentration
Metals
Heat treatment
Mechanical properties

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Mechanics of Materials
  • Mechanical Engineering
  • Materials Chemistry

Cite this

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Effect of the interface layer on the mechanical behavior of TiO2 nanoparticle reinforced aluminum matrix composites. / Shin, J. H.; Choi, H. J.; Cho, M. K.; Bae, D. H.

In: Journal of Composite Materials, Vol. 48, No. 1, 01.01.2014, p. 99-106.

Research output: Contribution to journalArticle

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