Thermal expansion of a composite with a hybrid granular-fibrous filler

Research output: Contribution to journalArticle

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Abstract

The thermal deformation of LDPE with a granular-fibrous filler was studied experimentally within a broad temperature range. We analyzed the effect of fillers on characteristics of relaxational transitions in LDPE as determined from dilatometric tests. A method was proposed for calculating the effective CLE of a composite with allowance for aggregation of a powdered filler and the statistical distributions of the length and orientation of the anisotropic fibers. The method was substantiated experimentally. Results were also presented of a theoretical analysis of the effect of the parameters of the fiber distributions f(l.) and Φ(θ, φ) and the relative volume contents of granular and fibrous fillers on αij for the composite. It was established that aggregation of the granular filler may produce a hybrid effect consisting of maximum suppression of thermal expansion of the binder by the combination filler relative to a two-component composite.

Original languageEnglish (US)
Pages (from-to)173-182
Number of pages10
JournalMechanics of Composite Materials
Volume25
Issue number2
DOIs
StatePublished - Mar 1 1989

Fingerprint

Thermal Expansion
fillers
Thermal expansion
Fillers
thermal expansion
Composite
composite materials
Aggregation
Composite materials
Fiber
Thermal Deformation
Statistical Distribution
Low density polyethylenes
Polyethylene
Theoretical Analysis
Agglomeration
fibers
Fibers
allowances
statistical distributions

ASJC Scopus subject areas

  • Ceramics and Composites
  • Biomaterials
  • Mathematics(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Polymers and Plastics

Cite this

Thermal expansion of a composite with a hybrid granular-fibrous filler. / Dzenis, Yu A.

In: Mechanics of Composite Materials, Vol. 25, No. 2, 01.03.1989, p. 173-182.

Research output: Contribution to journalArticle

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