Similarly to unfilled polymers, the dynamic mechanical properties of polymer/organoclay nanocomposites are sensitive to frequency and temperature, as well as to clay concentration. Richeton et al. (2005, “A Unified Model for Stiffness Modulus of Amorphous Polymers Across Transition Temperatures and Strain Rates,” Polymer, 46, pp. 8194–8201) has recently proposed a statistical model to describe the storage modulus variation of glassy polymers over a wide range of temperature and frequency. In the present work, we propose to extend this approach for the prediction of the stiffness of polymer composites by using two-phase composite homogenization methods. The phenomenological law developed by Takayanagi et al., 1966, J. Polym. Sci., 15, pp. 263–281 and the classical bounds proposed by Voigt, 1928, Wied. Ann., 33, pp. 573–587 and Reuss and Angew, 1929, Math. Mech., 29, pp. 9–49 models are used to compute the effective instantaneous moduli, which is then implemented in the Richeton model (Richeton et al., 2005, “A Unified Model for Stiffness Modulus of Amorphous Polymers Across Transition Temperatures and Strain Rates,” Polymer, 46, pp. 8194–8201). This adapted formulation has been successfully validated for PMMA/cloisites 20A and 30B nanocomposites. Indeed, good agreement has been obtained between the dynamic mechanical analysis data and the model predictions of poly(methyl-methacrylate)/organoclay nanocomposites.
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July 2011
Multi-Physics Approaches For The Behavior Of Polymer-Based Materials
Dynamic Mechanical Properties of PMMA/Organoclay Nanocomposite: Experiments and Modeling
Rodrigue Matadi Boumbimba,
Rodrigue Matadi Boumbimba
IMFS, University of Strasbourg, 2 Rue Boussingault
, 67000 Strasbourg, France
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Said Ahzi,
Said Ahzi
IMFS, University of Strasbourg
, 2 Rue Boussingault, 67000 Strasbourg, France
; TEMA, Department of Mechanical Engineering, University of Aveiro
, 3810-193 Aveiro, Portugal
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Nadia Bahlouli,
Nadia Bahlouli
IMFS, University of Strasbourg, 2 Rue Boussingault
, 67000 Strasbourg, France
e-mail:
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David Ruch,
David Ruch
LTI, Public Research Center Henry Tudor, 70 Rue de Luxembourg
, L-4221 Esch-sur-Alzette, Luxembourg
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José Gracio
José Gracio
TEMA, Department of Mechanical Engineering, University of Aveiro
, 3810-193 Aveiro, Portugal
Search for other works by this author on:
Rodrigue Matadi Boumbimba
IMFS, University of Strasbourg, 2 Rue Boussingault
, 67000 Strasbourg, France
Said Ahzi
IMFS, University of Strasbourg
, 2 Rue Boussingault, 67000 Strasbourg, France
; TEMA, Department of Mechanical Engineering, University of Aveiro
, 3810-193 Aveiro, Portugal
Nadia Bahlouli
IMFS, University of Strasbourg, 2 Rue Boussingault
, 67000 Strasbourg, France
e-mail:
David Ruch
LTI, Public Research Center Henry Tudor, 70 Rue de Luxembourg
, L-4221 Esch-sur-Alzette, Luxembourg
José Gracio
TEMA, Department of Mechanical Engineering, University of Aveiro
, 3810-193 Aveiro, Portugal
J. Eng. Mater. Technol. Jul 2011, 133(3): 030908 (6 pages)
Published Online: July 18, 2011
Article history
Received:
May 18, 2010
Revised:
March 3, 2011
Online:
July 18, 2011
Published:
July 18, 2011
Citation
Boumbimba, R. M., Ahzi, S., Bahlouli, N., Ruch, D., and Gracio, J. (July 18, 2011). "Dynamic Mechanical Properties of PMMA/Organoclay Nanocomposite: Experiments and Modeling." ASME. J. Eng. Mater. Technol. July 2011; 133(3): 030908. https://doi.org/10.1115/1.4004052
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