3D printing-assisted interphase engineering of polymer composites

Concept and feasibility

G. Szebényi, T. Czigány, B. Magyar, J. Karger-Kocsis

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We introduced a general concept to create smart, (multi)functional interphases in polymer composites with layered reinforcements, making use of 3D printing. The concept can be adapted for both thermoplastic and thermoset matrix-based composites with either thermoplastic- or thermoset-enriched interphases. We showed feasibility using an example of a composite containing a thermoset matrix/thermoplastic interphase. Carbon fiber unidirectional reinforcing layers were patterned with poly(ɛ-caprolactone) (PCL) through 3D printing, then infiltrated with an amine-cured epoxy (EP). The corresponding composites were subjected to static and dynamic flexure tests. The PCL-rich interphase markedly improved the ductility in static tests without deteriorating the flexural properties. Its effect was marginal in Charpy impact tests, which can be explained with effects of specimen and PCL pattern sizes. The PCL-rich interphase ensured self-healing when triggered by heat treatment above the melting temperature of PCL.

Original languageEnglish
Pages (from-to)525-530
Number of pages6
JournalExpress Polymer Letters
Volume11
Issue number7
DOIs
Publication statusPublished - Jul 1 2017

Fingerprint

printing
Printing
Thermosets
Polymers
engineering
Thermoplastics
composite materials
Composite materials
polymers
Charpy impact test
static tests
flexing
healing
matrices
carbon fibers
reinforcement
ductility
Carbon fibers
Amines
Melting point

Keywords

  • 3D printing
  • Concept
  • Interphase
  • Reaction-induced phase separation
  • Smart composites

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

Cite this

3D printing-assisted interphase engineering of polymer composites : Concept and feasibility. / Szebényi, G.; Czigány, T.; Magyar, B.; Karger-Kocsis, J.

In: Express Polymer Letters, Vol. 11, No. 7, 01.07.2017, p. 525-530.

Research output: Contribution to journalArticle

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