Hybrid biofiber-based composites for structural cellular plates

Geeta Mehta

Associate Professor

mehtagee@umich.edu

3044 NCRC, Building 28

T: (734) 763-3957

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R Burgueno, MJ Quagliata, AK Mohanty, G Mehta, LT Drzal, and M Misra (2005)

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING, 36(5):581-593.

This paper presents how biofiber composites (biocomposites) can be usedfor structural applications by enhancing their performance throughhybridization and cellular structural forms. Cellular biocomposite coresmade from industrial hemp or flax fibers with unsaturated polyester werehybridized with woven jute, chopped glass, and unidirectional carbonfabrics. Material characterization showed improved stiffness, strength,and moisture-absorption stability, while flexural tests onlaboratory-scale plates demonstrated enhanced structural behavior.Micromechanics and sandwich analyses adequately captured material andstructural response and the benefit from residual stresses wasevaluated. Results indicate that hybrid cellular biofiber-basedcomposites provide an economic and environmentally friendlieralternative to entry-level synthetic composites. (c) 2004 Elsevier Ltd.All rights reserved.

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