Indentation depth dependent mechanical behavior in polymers

Farid Alisafaei, Chung Souk Han

Research output: Contribution to journalReview articlepeer-review

55 Scopus citations

Abstract

Various experimental studies have revealed size dependent deformation of materials at micro and submicron length scales. Among different experimental methods, nanoindentation testing is arguably the most commonly applied method of studying size effect in various materials where increases in the hardness with decreasing indentation depth are usually related to indentation size effects. Such indentation size effects have been observed in both metals and polymers. While the indentation size effects in metals are widely discussed in the literature and are commonly attributed to geometrically necessary dislocations, for polymer the experimental results are far sparser and there does not seem to be a common ground for their rationales. The indentation size effects of polymers are addressed in this paper, where their depth dependent deformation is reviewed along with the rationale provided in the literature.

Original languageEnglish (US)
Article number391579
JournalAdvances in Condensed Matter Physics
Volume2015
DOIs
StatePublished - 2015
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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