Depth-dependent displacement modulated indentation in oriented polypropylene

D. M. Shinozaki, J. C.W. Lo, Y. C. Lu

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


The mechanical properties of kink bands which develop during micro-indentation testing of oriented polypropylene have been analyzed in terms of a viscoelastic model. Stress relaxation and dynamic mechanical measurements have interpreted in terms of the geometric softening effects within the constrained region of the kink band.

Original languageEnglish
Pages (from-to)182-191
Number of pages10
JournalMaterials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing
Issue number1-2
StatePublished - Sep 15 2008


  • Kink band
  • Modulated micro-indentation
  • Negative damping
  • Oriented polypropylene

ASJC Scopus subject areas

  • Materials Science (all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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