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Large equipment

High pressure capillary rheometer Göttfert Rheograph 6000 and Rheotens elongation testing unit

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University of Applied Sciences Upper Austria

Wels | Website


Short Description

For the characterization of polymers with high pressure capillary rheometry, the polymer melt is extruded trough a capillary die with a piston. The entrance pressure drops to the level of the ambient pressure, while the melt passes the capillary. This pressure gradient as well as the melt flow rate are recorded and can then be converted to rheological properties of the material (flow curve, viscosity curve, flow instabilities, wall slip velocity).

Moreover, the rheometer can be equipped with a slit die to measure viscosity data. Furthermore, it enables the determination of pvT-data, the pressure-dependent viscosity, the thermal conductivity dependent on pressure and temperature as well as the die-swell. Deploying the additional rheotens setup allows the observation of the extensional viscosity.

Contact Person

FH-Prof. Dipl.-Ing. Dr. Gernot Zitzenbacher

Research Services

Please contact the project manager!

Methods & Expertise for Research Infrastructure

polymer rheology

Terms of Use

Please contact the project manager!

Contact

FH-Prof. Dipl.-Ing. Dr. Gernot Zitzenbacher
Fakultät für Technik / Angewandte Naturwissenschaften
050804-44520
gernot.zitzenbacher@fh-wels.at
https://www.fh-ooe.at/campus-wels/werkstofftechnik/fachbereich-werkstofftechnik/team/fachbereichsleitung/

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