Journal of Sensors and Sensor Systems
Journal of Sensors and Sensor Systems
JSSS
Articles | Volume 6, issue 1
Articles | Volume 6, issue 1
https://doi.org/10.5194/jsss-6-9-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/jsss-6-9-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 6, issue 1
Regular research article
 | 
10 Jan 2017
Regular research article |  | 10 Jan 2017

Ultrasound tomography for inline monitoring of plastic melts

Norbert Halmen, Christoph Kugler, Thomas Hochrein, Peter Heidemeyer, and Martin Bastian

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Short summary
An ultrasound process tomography system has been developed, which enables the imaging of the local filler distribution in plastic melts. The objects investigated were extruded rods made of polypropylene (PP) with radial filler gradients. During extrusion, sound velocity and attenuation of the plastic melt were determined and processed via a modified reconstruction algorithm according to Radon transform into 2-D sectional images.
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Special issue
Sensors and Measurement Systems 2016