Rheological characterization of asphalt in a temperature-gradient combinatorial squeeze-flow setup

Yatin P. Patil; Antonio Senador; Patrick T. Mather; Montgomery T. Shaw

doi:10.1007/s00397-007-0196-5

Rheological characterization of asphalt in a temperature-gradient combinatorial squeeze-flow setup

Yatin P. Patil, Antonio Senador, Patrick T. Mather, Montgomery T. Shaw

Department of Biomedical & Chemical Engineering

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

A new technique for parallel rheological characterization of asphalt in a combinatorial squeeze-flow array is described. The basis of the technique is a device that is capable of subjecting multiple samples simultaneously to constant volume (Type B) squeeze flow with application of a temperature gradient. The time-dependent sample dimensions, which are calculated from digital images taken through the transparent top plate, are used to derive the flow curves. The results obtained using the combinatorial setup compared favorably with those obtained using conventional parallel-plate torsional flow in a commercial rheometer. With the existing setup, the accessible shear rate range is limited to about one decade at a single temperature.

Original language	English (US)
Pages (from-to)	1075-1082
Number of pages	8
Journal	Rheologica Acta
Volume	46
Issue number	8
DOIs	https://doi.org/10.1007/s00397-007-0196-5
State	Published - Oct 2007

Keywords

Asphalt
Combination rheometer
Squeez eflow

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Chemical Engineering (miscellaneous)
General Materials Science

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10.1007/s00397-007-0196-5

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title = "Rheological characterization of asphalt in a temperature-gradient combinatorial squeeze-flow setup",

abstract = "A new technique for parallel rheological characterization of asphalt in a combinatorial squeeze-flow array is described. The basis of the technique is a device that is capable of subjecting multiple samples simultaneously to constant volume (Type B) squeeze flow with application of a temperature gradient. The time-dependent sample dimensions, which are calculated from digital images taken through the transparent top plate, are used to derive the flow curves. The results obtained using the combinatorial setup compared favorably with those obtained using conventional parallel-plate torsional flow in a commercial rheometer. With the existing setup, the accessible shear rate range is limited to about one decade at a single temperature.",

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AU - Patil, Yatin P.

AU - Senador, Antonio

AU - Mather, Patrick T.

AU - Shaw, Montgomery T.

PY - 2007/10

Y1 - 2007/10

N2 - A new technique for parallel rheological characterization of asphalt in a combinatorial squeeze-flow array is described. The basis of the technique is a device that is capable of subjecting multiple samples simultaneously to constant volume (Type B) squeeze flow with application of a temperature gradient. The time-dependent sample dimensions, which are calculated from digital images taken through the transparent top plate, are used to derive the flow curves. The results obtained using the combinatorial setup compared favorably with those obtained using conventional parallel-plate torsional flow in a commercial rheometer. With the existing setup, the accessible shear rate range is limited to about one decade at a single temperature.

AB - A new technique for parallel rheological characterization of asphalt in a combinatorial squeeze-flow array is described. The basis of the technique is a device that is capable of subjecting multiple samples simultaneously to constant volume (Type B) squeeze flow with application of a temperature gradient. The time-dependent sample dimensions, which are calculated from digital images taken through the transparent top plate, are used to derive the flow curves. The results obtained using the combinatorial setup compared favorably with those obtained using conventional parallel-plate torsional flow in a commercial rheometer. With the existing setup, the accessible shear rate range is limited to about one decade at a single temperature.

KW - Asphalt

KW - Combination rheometer

KW - Squeez eflow

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Rheological characterization of asphalt in a temperature-gradient combinatorial squeeze-flow setup

Abstract

Keywords

ASJC Scopus subject areas

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