Renewable biocomposites based on cellulose fibers and dimer fatty acid polyamide: Experiments and modeling of the stress-strain behavior

R. Matadi Boumbimba, Kui Wang, E. Hablot, N. Bahlouli, Said Ahzi, L. Avérous

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Dimer fatty acid-based polyamide (DAPA) was reinforced with cellulose fibers (CF) from 5 to 15 wt%. The mechanical behaviors in terms of dynamic responses were examined by dynamic mechanical analysis and split Hopkinson pressure bars at various temperatures and strain rates. Both DAPA matrix and DAPAC biocomposites showed fiber concentration, temperatures, and strain rates sensibilities. A constitutive elasto-viscoplastic model was developed to predict the finite deformation response for these materials. In this, to account for strain rate, temperature and cellulose concentration effects in elastic behavior, a new formulation of statistical model of Richeton was proposed. A modified cooperative model, based on the recognition of the effective activation energy and volume, was used for the prediction of the composites yield stress. Eight-chain model was also used to capture the large stretch hyperelastic behavior for both DAPA and DAPAC. The constitutive model predictions were found to be in good agreement with the experimental data.

Original languageEnglish
JournalPolymer Engineering and Science
DOIs
Publication statusAccepted/In press - 2016

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Nylons
Polyamides
Fatty acids
Cellulose
Dimers
Strain rate
Fatty Acids
Fibers
Experiments
Dynamic mechanical analysis
Constitutive models
Temperature
Dynamic response
Yield stress
Activation energy
Composite materials

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry
  • Chemistry(all)

Cite this

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title = "Renewable biocomposites based on cellulose fibers and dimer fatty acid polyamide: Experiments and modeling of the stress-strain behavior",
abstract = "Dimer fatty acid-based polyamide (DAPA) was reinforced with cellulose fibers (CF) from 5 to 15 wt{\%}. The mechanical behaviors in terms of dynamic responses were examined by dynamic mechanical analysis and split Hopkinson pressure bars at various temperatures and strain rates. Both DAPA matrix and DAPAC biocomposites showed fiber concentration, temperatures, and strain rates sensibilities. A constitutive elasto-viscoplastic model was developed to predict the finite deformation response for these materials. In this, to account for strain rate, temperature and cellulose concentration effects in elastic behavior, a new formulation of statistical model of Richeton was proposed. A modified cooperative model, based on the recognition of the effective activation energy and volume, was used for the prediction of the composites yield stress. Eight-chain model was also used to capture the large stretch hyperelastic behavior for both DAPA and DAPAC. The constitutive model predictions were found to be in good agreement with the experimental data.",
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T1 - Renewable biocomposites based on cellulose fibers and dimer fatty acid polyamide

T2 - Experiments and modeling of the stress-strain behavior

AU - Boumbimba, R. Matadi

AU - Wang, Kui

AU - Hablot, E.

AU - Bahlouli, N.

AU - Ahzi, Said

AU - Avérous, L.

PY - 2016

Y1 - 2016

N2 - Dimer fatty acid-based polyamide (DAPA) was reinforced with cellulose fibers (CF) from 5 to 15 wt%. The mechanical behaviors in terms of dynamic responses were examined by dynamic mechanical analysis and split Hopkinson pressure bars at various temperatures and strain rates. Both DAPA matrix and DAPAC biocomposites showed fiber concentration, temperatures, and strain rates sensibilities. A constitutive elasto-viscoplastic model was developed to predict the finite deformation response for these materials. In this, to account for strain rate, temperature and cellulose concentration effects in elastic behavior, a new formulation of statistical model of Richeton was proposed. A modified cooperative model, based on the recognition of the effective activation energy and volume, was used for the prediction of the composites yield stress. Eight-chain model was also used to capture the large stretch hyperelastic behavior for both DAPA and DAPAC. The constitutive model predictions were found to be in good agreement with the experimental data.

AB - Dimer fatty acid-based polyamide (DAPA) was reinforced with cellulose fibers (CF) from 5 to 15 wt%. The mechanical behaviors in terms of dynamic responses were examined by dynamic mechanical analysis and split Hopkinson pressure bars at various temperatures and strain rates. Both DAPA matrix and DAPAC biocomposites showed fiber concentration, temperatures, and strain rates sensibilities. A constitutive elasto-viscoplastic model was developed to predict the finite deformation response for these materials. In this, to account for strain rate, temperature and cellulose concentration effects in elastic behavior, a new formulation of statistical model of Richeton was proposed. A modified cooperative model, based on the recognition of the effective activation energy and volume, was used for the prediction of the composites yield stress. Eight-chain model was also used to capture the large stretch hyperelastic behavior for both DAPA and DAPAC. The constitutive model predictions were found to be in good agreement with the experimental data.

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