Analysis of the edge fracture process in oscillation for polystyrene melts

Mattes, K.; Vogt, Robert; Friedrich, Christian

doi:10.1007/s00397-008-0286-z

Cited by 35 publications

(13 citation statements)

References 17 publications

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“… is adopted to calculate the actual shear radius r(t) when performing a time sweep test on the polystyrene and polyethylene (KM Mattes et al, 2008). In this study, a theoretical formula (Equation 24) is proposed based on a pure mechanical method.…”

Section: Formulation and Verification Of Crack Length For Asphalt Bindersmentioning

confidence: 99%

Energy-based mechanistic approach for crack growth characterization of asphalt binder

Luo

Yan

et al. 2020

Mechanics of Materials

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This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

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Section: Formulation and Verification Of Crack Length For Asphalt Bindersmentioning

confidence: 99%

Energy-based mechanistic approach for crack growth characterization of asphalt binder

Luo

Yan

et al. 2020

Mechanics of Materials

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“…from which we learn that, in steady shear flow, the single-mode fluid will become thermodynamically unstable when Wi ≥ 1. 27 . In other words, when Wi ≥ 1.27 , the fluid will tend to produce one or more new phases.…”

Section: A Steady Shearmentioning

confidence: 99%

“…The free energy instability criterion applies in tandem with its non-equilibrium counterpart, Eq. (27). The criteria for aperiodicity in LAOS given by Eqs.…”

Section: Introductionmentioning

confidence: 99%

Thermodynamic instability of polymeric liquids in large-amplitude oscillatory shear flow from corotational Maxwell fluid

Saengow¹,

Giacomin²

2018

Fluid Dyn. Res.

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“…In reality, the regimes of reliable measurements are distinctly smaller, since side effects come into play. Only a few are mentioned: -free choice of angular velocity limited to the Newtonian range -large scatter at the lower torque limit -low-viscosity samples centrifuged out of the gap at high angular velocities -dissipative heating of the sample at high angular velocities -melt fracture at the rim of viscoelastic samples [34] -occurrence of secondary flows (Taylor vortices) in CC geometry…”

Section: Theoretical Measurement Limitsmentioning

confidence: 99%

Guidelines for checking performance and verifying accuracy of rotational rheometers: viscosity measurements in steady and oscillatory shear (IUPAC Technical Report)

Laun

Auhl

Brummer

et al. 2014

Pure and Applied Chemistry

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Abstract:The paper addresses techniques for checking the performance of rotational rheometers with coneplate, plate-plate, or concentric cylinder geometry. We focus on the determination of the viscosity as a function of the shear rate and of the magnitude of the complex viscosity as a function of the angular frequency. After summarizing the relevant definitions and test modes, we show examples of measurements in the linear viscoelastic range, and applications of the Cox-Merz relationship. Sources of reference fluids with defined viscosities are presented, and their use in tests for verification of accuracy is demonstrated. Relevant issues, predominantly for Newtonian reference liquids, are the exploration of measurement limits, related either to the shear rate range or to reliably accessible viscosity levels. Viscoelastic reference samples are also discussed. Prerequisites for sample preparation and loading are addressed. In particular, we present recommendations based on experience from various laboratories. Finally, we discuss the problem of temperature calibration, presenting techniques that allow the determination of the true sample temperature for a given set temperature of the rheometer. This paper summarizes contributions from various industrial and academic laboratories.

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Analysis of the edge fracture process in oscillation for polystyrene melts

Cited by 35 publications

References 17 publications

Energy-based mechanistic approach for crack growth characterization of asphalt binder

Energy-based mechanistic approach for crack growth characterization of asphalt binder

Thermodynamic instability of polymeric liquids in large-amplitude oscillatory shear flow from corotational Maxwell fluid

Guidelines for checking performance and verifying accuracy of rotational rheometers: viscosity measurements in steady and oscillatory shear (IUPAC Technical Report)

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