Shear and elongational rheology of gypsum slurries

Suman Sinha-Ray; Raman Srikar; C. C. Lee; A. Li; Alexander L. Yarin

doi:10.3933/ApplRheol-21-63071

Shear and elongational rheology of gypsum slurries

Suman Sinha-Ray, Raman Srikar, C. C. Lee, A. Li, Alexander L. Yarin

College of Engineering

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

10 Citations (Scopus)

Abstract

Concentrated gypsum slurries used for wallboard production are studied using shear and elongational rheometers. It is shown that the rheological behavior of different slurry compositions can be sufficiently accurately described in the framework of the Ostwald-de Waele power law, which reproduces both shear and elongational experimemtal data with sufficiently close values of the consistency and flow behavior indexes for each slurry composition studied.

Original language	English
Article number	63071
Journal	Applied Rheology
Volume	21
Issue number	6
DOIs	https://doi.org/10.3933/ApplRheol-21-63071
Publication status	Published - 2011

Keywords

Capillary thread thinning
Elongational rheology
Flow curve
Gypsum slurry
Power-law fluid
Shear rheology

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

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10.3933/ApplRheol-21-63071

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abstract = "Concentrated gypsum slurries used for wallboard production are studied using shear and elongational rheometers. It is shown that the rheological behavior of different slurry compositions can be sufficiently accurately described in the framework of the Ostwald-de Waele power law, which reproduces both shear and elongational experimemtal data with sufficiently close values of the consistency and flow behavior indexes for each slurry composition studied.",

keywords = "Capillary thread thinning, Elongational rheology, Flow curve, Gypsum slurry, Power-law fluid, Shear rheology",

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AU - Sinha-Ray, Suman

AU - Srikar, Raman

AU - Lee, C. C.

AU - Li, A.

AU - Yarin, Alexander L.

PY - 2011

Y1 - 2011

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AB - Concentrated gypsum slurries used for wallboard production are studied using shear and elongational rheometers. It is shown that the rheological behavior of different slurry compositions can be sufficiently accurately described in the framework of the Ostwald-de Waele power law, which reproduces both shear and elongational experimemtal data with sufficiently close values of the consistency and flow behavior indexes for each slurry composition studied.

KW - Capillary thread thinning

KW - Elongational rheology

KW - Flow curve

KW - Gypsum slurry

KW - Power-law fluid

KW - Shear rheology

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Shear and elongational rheology of gypsum slurries

Abstract

Keywords

ASJC Scopus subject areas

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