Nanoscale indentation of polymer systems using the atomic force microscope

  • M. R. Vanlandingham
  • , S. H. Mcknight
  • , G. R. Palmese
  • , J. R. Elings
  • , X. Huang
  • , T. A. Bogetti
  • , R. F. Eduljee
  • , J. W. Gillespie

Research output: Contribution to journalArticlepeer-review

159 Scopus citations

Abstract

The use of the atomic force microscope (AFM) to measure surface forces has been developed to optimize its operation as a surface imaging tool. This capability can potentially be extended to evaluate nanoscale material response to indentation and would be ideal for the evaluation of multi-component polymer systems, such as adhesives and composites. In this paper, previous work related to the development of the AFM as a nanoindentation device is reviewed, and a technique is proposed which allows the AFM to be used to probe local stiffness changes in polymer systems. Cantilever probes with spring constants ranging from 0.4-150 N/m were used to investigate a number of polymer systems, including an elastomer, several polyurelhane systems, thermally cured epoxies, a thermoplastic polymer-thermosetting polymer adhesive system, and a thermoplastic matrix composite.

Original languageEnglish (US)
Pages (from-to)31-59
Number of pages29
JournalJournal of Adhesion
Volume64
Issue number1-4
DOIs
StatePublished - 1997
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • Mechanics of Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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