Errors in parallel-plate and cone-plate rheometer measurements due to sample underfill

Leoh O. Hellström; Mohameda Samaha; Karenm Wang; Alexanderj Smits; Marcus Hultmark

doi:10.1088/0957-0233/26/1/015301

Errors in parallel-plate and cone-plate rheometer measurements due to sample underfill

Leoh O. Hellström, Mohameda Samaha, Karenm Wang, Alexanderj Smits, Marcus Hultmark

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

27 Scopus citations

Abstract

The effect of sample underfill on parallel-plate and cone-plate rheometers is examined. Sample underfill can be caused by incomplete filling of a sample or loss of fluid during a test by, for example, evaporation. It is shown that even a small degree of sample underfill can lead to significant errors in measuring viscosity. A method is proposed to reduce these errors by directly monitoring the sample radius over the full course of the test. It is shown that the accuracy of the rheometer even while testing simple fluids like water is greatly improved.

Original language	English (US)
Article number	015301
Journal	Measurement Science and Technology
Volume	26
Issue number	1
DOIs	https://doi.org/10.1088/0957-0233/26/1/015301
State	Published - Jan 1 2015

All Science Journal Classification (ASJC) codes

Instrumentation
Engineering (miscellaneous)
Applied Mathematics

Keywords

evaporation
rheometer
sample underfill

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10.1088/0957-0233/26/1/015301

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abstract = "The effect of sample underfill on parallel-plate and cone-plate rheometers is examined. Sample underfill can be caused by incomplete filling of a sample or loss of fluid during a test by, for example, evaporation. It is shown that even a small degree of sample underfill can lead to significant errors in measuring viscosity. A method is proposed to reduce these errors by directly monitoring the sample radius over the full course of the test. It is shown that the accuracy of the rheometer even while testing simple fluids like water is greatly improved.",

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AU - Hellström, Leoh O.

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AU - Wang, Karenm

AU - Smits, Alexanderj

AU - Hultmark, Marcus

PY - 2015/1/1

Y1 - 2015/1/1

N2 - The effect of sample underfill on parallel-plate and cone-plate rheometers is examined. Sample underfill can be caused by incomplete filling of a sample or loss of fluid during a test by, for example, evaporation. It is shown that even a small degree of sample underfill can lead to significant errors in measuring viscosity. A method is proposed to reduce these errors by directly monitoring the sample radius over the full course of the test. It is shown that the accuracy of the rheometer even while testing simple fluids like water is greatly improved.

AB - The effect of sample underfill on parallel-plate and cone-plate rheometers is examined. Sample underfill can be caused by incomplete filling of a sample or loss of fluid during a test by, for example, evaporation. It is shown that even a small degree of sample underfill can lead to significant errors in measuring viscosity. A method is proposed to reduce these errors by directly monitoring the sample radius over the full course of the test. It is shown that the accuracy of the rheometer even while testing simple fluids like water is greatly improved.

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KW - rheometer

KW - sample underfill

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ER -

Errors in parallel-plate and cone-plate rheometer measurements due to sample underfill

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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