Fracture toughness variations of injection molded long fiber reinforced thermoplastics

F. Gonzalez, C. Chassapis

Research output: Contribution to journalArticlepeer-review

Abstract

The fracture toughness, defined as Kc, of injection molded long fiber reinforced polypropylene with 50% E-glass and its variations is investigated. Rectangular plaques of different thicknesses at various sets of processing conditions have been fabricated. In order to assess the spatial variation of the fracture toughness, specimens aligned in the direction of the injection molding flow and perpendicular to it, have been obtained and tested at pre-selected locations. The morphology of the samples consisting of flow induced through-thickness layers was also evaluated experimentally and related to the fracture toughness, thus showing the effect of the part morphology on such mechanical property.

Original languageEnglish
Pages (from-to)810-820
Number of pages11
JournalJournal of Reinforced Plastics and Composites
Volume20
Issue number10
DOIs
StatePublished - 2001

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials
  • Mechanical Engineering
  • Polymers and Plastics
  • Materials Chemistry

Keywords

  • Fracture
  • Reinforced
  • Thermoplastics
  • Toughness

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