Strength of cellulosic fiber/starch acetate composites with variable fiber and plasticizer content

Roberts Joffe, Bo Madsen, Kalle Nättinen, Arttu Miettinen

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Abstract

In this experimental study, the performance of injection-molded short flax and hemp fibers in plasticized starch acetate were analyzed in terms of strength. Parameters involved in the analysis are a variable fiber and plasticizer content. The measured strength of the composites varies in the range of 12-51 MPa for flax fibers and 11-42 MPa for hemp fibers, which is significantly higher than the properties of the unreinforced starch acetate matrix. The micro-structural parameters used in modeling of composite strength were obtained from optical observations and indirect measurements. Some of these parameters were qualitatively verified by X-ray microtomography.
Original languageEnglish
Pages (from-to)1007-1017
JournalJournal of Composite Materials
Volume49
Issue number8
DOIs
Publication statusPublished - 2015
MoE publication typeA1 Journal article-refereed

Keywords

  • biocomposites
  • cellulosic fibers
  • plasticizer
  • starch acetate
  • strength

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