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Short cellulosic fiber/starch acetate composites: micromechanical modeling of Young’s modulus
Risø, DTU.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0002-5210-4341
VTT.
VTT.
2011 (English)In: Journal of composite materials, ISSN 0021-9983, E-ISSN 1530-793X, Vol. 45, no 20, p. 2119-2131Article in journal (Refereed) Published
Abstract [en]

This study is presented to predict the Young’s modulus of injection-molded short cellulosic fiber/plasticized starch acetate composites with variable fiber and plasticizer content. A modified rule of mixtures model is applied where the effect of porosity is included, and where the fiber weight fraction is used as the basic independent variable. The values of the input model parameters are derived from experimental studies of the configuration of the composites (volumetric composition, dimensions, and orientation of fibers), as well as the properties of the constituent fiber and matrix phases (density and Young’s modulus). The measured Young’s modulus of the composites varies in the range 1.1–8.3 GPa, and this is well predicted by the model calculations. A property diagram is presented to be used for the tailor-making of composites with Young’s modulus in the range 0.2–10 GPa.

Place, publisher, year, edition, pages
2011. Vol. 45, no 20, p. 2119-2131
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-13119DOI: 10.1177/0021998311401063ISI: 000294807000011Scopus ID: 2-s2.0-80052774294Local ID: c4b16766-9e2b-4cef-a16a-fbfe503abe48OAI: oai:DiVA.org:ltu-13119DiVA, id: diva2:986070
Note
Validerad; 2011; 20110627 (joffe)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Citation style
  • apa
  • harvard1
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  • de-DE
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  • nn-NB
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  • Other locale
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Output format
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