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Combined ultrasonic-mechanical characterization of orthotropic elastic properties of an unrefined bagasse fiber-polypropylene composite
Vienna University of Technology, Austria.ORCID iD: 0000-0002-7829-4630
Vienna University of Technology, Austria ; University of Tehran, Iran.
University of Tehran, Iran.
Vienna University of Technology, Austria.
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2016 (English)In: Composites Part B: Engineering, ISSN 1359-8368, E-ISSN 1879-1069, Vol. 95, 96-104 p.Article in journal (Refereed) Published
Abstract [en]

Use of wood-fiber plastics for construction purposes calls for comprehensive understanding of their anisotropic mechanical properties. As a respective contribution, we here report the first-ever complete elasticity characterization of an orthotropic bagasse fiber polypropylene composite, requiring identification of nine independent constants. For this purpose, we carry out characterization in principal material directions. Six diagonal stiffness tensor components are quantified based on ultrasonic longitudinal and shear wave velocity measurements; and three diagonal compliance tensor components are identified as the inverses of three Young’s moduli derived from unloading regimes of quasi-static uniaxial compression tests. Combination of all measurement data in the framework of orthotropic linear elasticity provides access to all off-diagonal stiffness and compliance tensor components, opening the door to quantifying six Poisson’s ratios. 

Place, publisher, year, edition, pages
2016. Vol. 95, 96-104 p.
Keyword [en]
Polymer-matrix composites (PMCs); Elasticity; Creep; Mechanical testing; Ultrasonics
National Category
Composite Science and Engineering Wood Science
Research subject
Technology (byts ev till Engineering), Civil engineering
Identifiers
URN: urn:nbn:se:lnu:diva-51393DOI: 10.1016/j.compositesb.2016.03.070OAI: oai:DiVA.org:lnu-51393DiVA: diva2:914806
Available from: 2016-03-25 Created: 2016-03-25 Last updated: 2016-04-27Bibliographically approved

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Bader, Thomas K.
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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • text
  • asciidoc
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