Formation of self-similar structures on{100}〈00l〉 aluminum single-crystal foils under cyclic tension

P. V. Kuznetsov, I. V. Petrakova, Yu G. Gordienko, E. E. Zasimchuk, V. L. Karbovskii

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

We study the relief formed on {100}〈001〉 aluminum single-crystal foils attached to thick aluminum alloy specimens under low-cycle fatigue deformation. The formation of specific surface structures on the aluminum foils is shown to relate to the "foil - specimen" and "aluminum foil - its surface layer" interfaces. Particularly, the formation of longitudinal macroscopic bands on the aluminum foil is explained by periodic distribution of compressive stresses arising at the "foil - specimen" interface. At the interface between the macroscopic bands and tweed structure with spacing ∼2.8 μm a fine tweed substructure of the submicron range is found. The periodic 2D lattices of various scale formed on the foils are self-similar in the linear size range from fractions to hundreds of microns.

Original languageEnglish
Pages (from-to)85-93
Number of pages9
JournalPhysical Mesomechanics
Volume12
Issue number1-2
DOIs
Publication statusPublished - 2009

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Aluminum
Aluminum foil
Metal foil
foils
Single crystals
aluminum
single crystals
Compressive stress
Surface structure
Aluminum alloys
Fatigue of materials
substructures
aluminum alloys
surface layers
spacing
cycles

ASJC Scopus subject areas

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

Cite this

Formation of self-similar structures on{100}〈00l〉 aluminum single-crystal foils under cyclic tension. / Kuznetsov, P. V.; Petrakova, I. V.; Gordienko, Yu G.; Zasimchuk, E. E.; Karbovskii, V. L.

In: Physical Mesomechanics, Vol. 12, No. 1-2, 2009, p. 85-93.

Research output: Contribution to journalArticle

Kuznetsov, P. V. ; Petrakova, I. V. ; Gordienko, Yu G. ; Zasimchuk, E. E. ; Karbovskii, V. L. / Formation of self-similar structures on{100}〈00l〉 aluminum single-crystal foils under cyclic tension. In: Physical Mesomechanics. 2009 ; Vol. 12, No. 1-2. pp. 85-93.
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