Quantitative determination of interfacial adhesion in composites with strong bonding

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

An approach was proposed for the quantitative determination of adhesion strength in composites, in which adhesion is created by other mechanisms than secondary interactions. The approach is based upon a model, which gives debonding stress as a function of interfacial adhesion. Debonding stress was determined by acoustic emission experiments. The mechanism of deformation was checked by SEM experiments and the approach was verified on composites with known interfacial adhesion. The results showed that the use of functionalized polymer in PP/CaCO3 composites resulted in adhesion strength one order of magnitude larger than without the coupling agent. The application of various surface modification techniques in PP/glass bead composites yielded different adhesion values covering a range of about one order of magnitude. The quantitative determination of interfacial adhesion makes possible the design and optimization of most surface modification techniques in particulate filled and short fiber reinforced composites.

Original languageEnglish
Pages (from-to)2000-2004
Number of pages5
JournalEuropean Polymer Journal
Volume46
Issue number10
DOIs
Publication statusPublished - Oct 2010

Fingerprint

adhesion
Adhesion
composite materials
Composite materials
Bond strength (materials)
Debonding
Surface treatment
Coupling agents
Acoustic emissions
Polymers
acoustic emission
Experiments
beads
particulates
Glass
Scanning electron microscopy
Fibers
coverings
scanning electron microscopy
optimization

Keywords

  • Acoustic emission
  • Adhesion
  • Composites
  • Debonding
  • Poly(propylene) (PP)

ASJC Scopus subject areas

  • Polymers and Plastics
  • Physics and Astronomy(all)
  • Organic Chemistry

Cite this

Quantitative determination of interfacial adhesion in composites with strong bonding. / Renner, Károly; Móczó, J.; Vörös, G.; Pukánszky, B.

In: European Polymer Journal, Vol. 46, No. 10, 10.2010, p. 2000-2004.

Research output: Contribution to journalArticle

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