Rheometric studies of functional polyurethane foam composite

S.I. Bakhtiyarov, J.C. Oxley, J.L. Smith, P.M. Baldovi, D.A. Siginer

Research output: Contribution to conferencePaper

Abstract

A rheometric characterization of the functional Polyurethane (PU) foam composite with and without solid additives (aluminum flakes) were experimentally measured using a computer controlled mechanical spectrometer (rheometer) ARES-G2. It is determined that PU composite exhibits a strong time thickening and shear thinning behavior. The rheological behavior of this composite can be described with the power-law generalized non-Newtonian fluid model. The rheometric tests showed that the PU/Al mixture exhibits thermal thickening and shear thinning behavior with the yield stress. The system can be described with the power-law generalized non-Newtonian fluid (Ostwald-de-Waele) model. The effective viscosity of PU composite increases with both the testing time (exponentially) and the solid content (polynomial) in the mixture.
Original languageEnglish
DOIs
Publication statusPublished - 2017

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polyurethane foam
composite materials
shear thinning
Advanced Reconn Electric Spacecraft
testing time
rheometers
fluids
flakes
polynomials
spectrometers
viscosity
aluminum

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Bakhtiyarov, S.I. ; Oxley, J.C. ; Smith, J.L. ; Baldovi, P.M. ; Siginer, D.A. / Rheometric studies of functional polyurethane foam composite.
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abstract = "A rheometric characterization of the functional Polyurethane (PU) foam composite with and without solid additives (aluminum flakes) were experimentally measured using a computer controlled mechanical spectrometer (rheometer) ARES-G2. It is determined that PU composite exhibits a strong time thickening and shear thinning behavior. The rheological behavior of this composite can be described with the power-law generalized non-Newtonian fluid model. The rheometric tests showed that the PU/Al mixture exhibits thermal thickening and shear thinning behavior with the yield stress. The system can be described with the power-law generalized non-Newtonian fluid (Ostwald-de-Waele) model. The effective viscosity of PU composite increases with both the testing time (exponentially) and the solid content (polynomial) in the mixture.",
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Rheometric studies of functional polyurethane foam composite. / Bakhtiyarov, S.I.; Oxley, J.C.; Smith, J.L.; Baldovi, P.M.; Siginer, D.A.

2017.

Research output: Contribution to conferencePaper

TY - CONF

T1 - Rheometric studies of functional polyurethane foam composite

AU - Bakhtiyarov, S.I.

AU - Oxley, J.C.

AU - Smith, J.L.

AU - Baldovi, P.M.

AU - Siginer, D.A.

N1 - Export Date: 20 June 2018

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AB - A rheometric characterization of the functional Polyurethane (PU) foam composite with and without solid additives (aluminum flakes) were experimentally measured using a computer controlled mechanical spectrometer (rheometer) ARES-G2. It is determined that PU composite exhibits a strong time thickening and shear thinning behavior. The rheological behavior of this composite can be described with the power-law generalized non-Newtonian fluid model. The rheometric tests showed that the PU/Al mixture exhibits thermal thickening and shear thinning behavior with the yield stress. The system can be described with the power-law generalized non-Newtonian fluid (Ostwald-de-Waele) model. The effective viscosity of PU composite increases with both the testing time (exponentially) and the solid content (polynomial) in the mixture.

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DO - 10.1115/IMECE2017-72547

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