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Metadata Files

Data Publication

Rheology of viscous materials from the CNR-IGG Tectonic Modelling Laboratory at the University of Florence (Italy)

Zwaan, Frank | Rudolf, Michael | Corti, Giacomo | Keir, Derek | Sani, Federico

GFZ Data Services

(2020)

Descriptions

This dataset provides rheometric data of three viscous materials used for centrifuge experiments at the Tectonic Modelling Laboratory of CNR-IGG at the Earth Sciences Department of the University of Florence (Italy). The first material, PP45, is a mixture of a silicone (Polydimethylsiloxane or PDMS SGM36) and plasticine (Giotto Pongo). The PDMS is produced by Dow Corning and its characteristics are described by e.g. Rudolf et al. 2016a,b). Giotto Pongo is produced by FILA (Italy). Both components are mixed following a weight ratio of 100:45, and the final mixture has a density of 1520 kg m3. The second material, SCA705 is a mixture of Dow Corning 3179 putty, mixed with fine corundum sand and oleic acid with a weight ratio of 100:70:05 and a resulting density of 1660 kg m3. The final material, SCA7020 consists of the same components as SCA705, but with a slightly higher oleic acid content reflected in the weight ratio of 100:70:20. The mixture’s density is 1620 kg m3. The material samples have been analyzed in the Helmholtz Laboratory for Tectonic Modelling (HelTec) at GFZ German Research Centre for Geosciences in Potsdam using an Anton Paar Physica MCR 301 rheometer in a plate-plate configuration at room temperature (20˚C). Rotational (controlled shear rate) tests with shear rates varying from 10-4 to 1 s-1 were performed. Additional temperature tests were run with shear rates between 10-2 to 10-1 s-1 for a temperature range between 15 and 30˚C. According to our rheometric analysis, the materials all exhibit shear thinning behavior, with high power law exponents (n-number) for strain rates below 10-2s-1, while power law exponents are lower above that threshold.For PP45, the respective n-numbers are 4.8 and 2.6, for SCA705 6.7 and 1.5, and for SCA7020 9.1 and 2.0. The temperature tests show decreasing viscosities with increasing temperatures with rates of -3.8, -1.4 and -1.9% per ˚K for PP45, SCA705 and SCA7020, respectively. An application of the materials tested can be found in Zwaan et al. (2020).

Keywords


Originally assigned keywords
EPOS
analogue models of geologic processes
Multi-scale Laboratories
property data of analogue modelling materials
European Plate Observing System
software tools
Force sensor
Plasticine
Python
Rheometer
Sand > Corundum Sand
Silicon/Silly putty/PDMS
Stress exponent
Temperature measurement
Viscosity

Corresponding MSL vocabulary keywords
plasticine
rheometer
rheometer
plastic flow law stress exponent
plastic flow law stress exponent
viscosity
viscosity

MSL enriched keywords
analogue modelling material
plastic modelling material
synthetic plastic material
plasticine
Apparatus
fluid transport testing
fluid rheology testing
rheometer
Apparatus
characterization of modelling material
rheology testing
rheometer
Measured property
mechanical strength
plastic flow stress
plastic flow law stress exponent
Measured property
mechanical strength
plastic flow strength
plastic flow law stress exponent
viscosity
viscosity
unconsolidated sediment
clastic sediment
sand
granular modelling material
natural granular material
corundum sand
viscous modelling material
synthetic viscous material
silicone
strain
strain

MSL enriched sub domains i

rock and melt physics
analogue modelling of geologic processes

Source

https://dataservices.gfz-potsdam.de/panmetaworks/showshort.php?id=escidoc:5124891

Source publisher

GFZ Data Services


DOI

10.5880/fidgeo.2020.018


Creators

Zwaan, Frank

University of Florence, Florence, Italy | University of Bern, Bern, Switzerland

ORCID:

https://orcid.org/0000-0001-8226-2132

Rudolf, Michael

GFZ German Research Centre for Geosciences, Potsdam, Germany

ORCID:

https://orcid.org/0000-0002-5077-5221

Corti, Giacomo

CNR Italian National Research Council, Italy

ORCID:

https://orcid.org/0000-0001-7399-4438

Keir, Derek

University of Southampton, Southampton, UK | University of Florence, Florence, Italy

ORCID:

https://orcid.org/0000-0001-8787-8446

Sani, Federico

University of Florence, Florence, Italy

ORCID:

https://orcid.org/0000-0001-8832-1471


Contributors

Zwaan, Frank

ContactPerson

University of Florence, Florence, Italy | University of Bern, Bern, Switzerland

ORCID:

https://orcid.org/0000-0001-8226-2132

Zwaan, Frank

DataCollector

University of Florence, Florence, Italy | University of Bern, Bern, Switzerland

ORCID:

https://orcid.org/0000-0001-8226-2132

Zwaan, Frank

ProjectLeader

University of Florence, Florence, Italy | University of Bern, Bern, Switzerland

ORCID:

https://orcid.org/0000-0001-8226-2132

Zwaan, Frank

Researcher

University of Florence, Florence, Italy | University of Bern, Bern, Switzerland

ORCID:

https://orcid.org/0000-0001-8226-2132

Rudolf, Michael

DataCollector

GFZ German Research Centre for Geosciences, Potsdam, Germany

ORCID:

https://orcid.org/0000-0002-5077-5221

Rudolf, Michael

DataManager

GFZ German Research Centre for Geosciences, Potsdam, Germany

ORCID:

https://orcid.org/0000-0002-5077-5221

Corti, Giacomo

ProjectMember

CNR Italian National Research Council, Italy

ORCID:

https://orcid.org/0000-0001-7399-4438

Corti, Giacomo

Researcher

CNR Italian National Research Council, Italy

ORCID:

https://orcid.org/0000-0001-7399-4438

Keir, Derek

ProjectMember

University of Southampton, Southampton, UK | University of Florence, Florence, Italy

ORCID:

https://orcid.org/0000-0001-8787-8446

Sani, Federico

ProjectMember

University of Florence, Florence, Italy

ORCID:

https://orcid.org/0000-0001-8832-1471

Tectonics Modelling Laboratory (IGG-CNR, Italy)

HostingInstitution

IGG-CNR, University of Florence, Florence Italy

HelTec-Helmholtz Laboratory For Tectonic Modelling (GFZ German Research Centre For Geosciences, Germany)

HostingInstitution

GFZ German Research Centre for Geosciences, Potsdam, Germany

Zwaan, Frank

ContactPerson

University of Bern, Bern, Switzerland


References

10.1016/j.tecto.2020.228595

http://www.mate.tue.nl/~wyss/softwiki/doku.php?id=equipment:antonpaar501-rheometer

10.1146/annurev.earth.36.031207.124326

https://download.e-bookshelf.de/download/0000/8392/19/L-G-0000839219-0002900288.pdf

10.1016/j.tecto.2015.11.028

10.5880/gfz.4.1.2016.001

10.1016/j.tecto.2015.11.028

10.5880/fidgeo.2020.019

10.5880/fidgeo.2020.020

10.5880/fidgeo.2020.017


Citation

Zwaan, F., Rudolf, M., Corti, G., Keir, D., & Sani, F. (2020). Rheology of viscous materials from the CNR-IGG Tectonic Modelling Laboratory at the University of Florence (Italy) [Data set]. GFZ Data Services. https://doi.org/10.5880/FIDGEO.2020.018


Dates

Created:

2020-04-02

Issued:

2020


Funding References

Funder name: Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung

Funder identifier: https://doi.org/10.13039/501100001711

Funder identifier type: Crossref Funder ID

Award number: P2BEP2_178523

Award title: Early Postdoc Mobility

Funder name: Deutsche Forschungsgemeinschaft

Funder identifier: https://doi.org/10.13039/501100001659

Funder identifier type: Crossref Funder ID

Award number: CRC 1114

Funder name: Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung

Funder identifier: https://doi.org/10.13039/501100001711

Funder identifier type: Crossref Funder ID

Award number: 2017P9AT72

Award title: PRIN2017


Rights

Creative Commons Attribution 4.0 International