Hybrid-particulate composites based on an epoxy matrix, a reactive rubber, and glass beads: Morphology, viscoelastic, and mechanical properties

Journal Article · Wed Oct 20 04:00:00 EDT 1993 · Journal of Applied Polymer Science; (United States)

DOI:https://doi.org/10.1002/app.1993.070500406· OSTI ID:5722846

Maazouz, A; Sautereau, H; Gerard, J F ^[1]

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1. Inst. National des Sciences Appliquees de Lyon, Villeurbanne (France). Lab. des Materiaux Macromoleculaires

The deformation and fracture behaviors of hybrid-particulate epoxy composites have been examined. These materials were based on a DGEBA/DDA matrix with various volume fractions of glass beads and different rubber contents. Young's modulus, yield stress, dynamic mechanical spectra, and fracture energy have been determined at room temperature. The Kerner model fits well the Young's modulus for the hybrid complexes with various glass bead contents. The analysis of the relaxation peak recorded from viscoelastic measurements allow us to discuss the influence of the introduction of the glass beads on the mobility of macromolecular chains and the characteristics of the rubber-separated phase. The fracture energy displays a strong improvement and synergism effect due to the presence of both kinds of particles. The toughening mechanisms were discussed.

• OSTI ID: 5722846
• Journal Information: Journal of Applied Polymer Science; (United States), Journal Name: Journal of Applied Polymer Science; (United States) Vol. 50:4; ISSN 0021-8995; ISSN JAPNAB
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360602* -- Other Materials-- Structure & Phase Studies
360603 -- Materials-- Properties
COMPOSITE MATERIALS
DEFORMATION
FRACTURE PROPERTIES
MATERIALS
MECHANICAL PROPERTIES
MICROSTRUCTURE
MORPHOLOGY
YOUNG MODULUS