Mechanical properties and structural characteristics of plastically deformed peridotites

S. N. Kulkov, V. D. Suvorov, L. N. Pokhilenko, Yu P. Stefanov, S. P. Buyakova, A. S. Kulkov, A. I. Chernyshov

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The paper reports on experimental study of peridotites with different average grain sizes. It is shown that coarse-crystalline peridotite undergoes multiple bulk fracture along all large fragments, whereas fracture of fine-crystalline peridotite is localized in the centre and develops in a direction close to the compression axis with the only slight deflection toward maximum tangential stresses in the upper and lower parts in which the strain localization zone is bifurcated. It is found that by the onset of fracture, the lateral to axial strain ratio for the coarse- and fine-crystalline specimens is 1.36 and 0.76, respectively.

Original languageEnglish
Pages (from-to)152-156
Number of pages5
JournalPhysical Mesomechanics
Volume17
Issue number2
DOIs
Publication statusPublished - 1 Jan 2014

Keywords

  • cracking
  • dilatancy
  • mechanical properties
  • peridotites
  • petrography
  • stresses

ASJC Scopus subject areas

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

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