Combining Thermal Spraying and Magnetron Sputtering for the Development of Ni/Ni-20Cr Thin Film Thermocouples for Plastic Flat Film Extrusion Processes

In the digitalization of production, temperature determination is playing an increasingly important role. Thermal spraying and magnetron sputtering were combined for the development of Ni/Ni-20Cr thin film thermocouples for plastic flat film extrusion processes. On the thermally sprayed insulation l...

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Main Authors:	Wolfgang Tillmann, David Kokalj, Dominic Stangier, Volker Schöppner, Hatice Malatyali
Format:	Article
Language:	English
Published:	MDPI AG 2019-09-01
Series:	Coatings
Subjects:	nickel–chromium thin film thermocouples physical vapor deposition flat film extrusion foil quality
Online Access:	https://www.mdpi.com/2079-6412/9/10/603

id	doaj-1481faca2ce9485f97d60db83d3f8b75
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spelling	doaj-1481faca2ce9485f97d60db83d3f8b752020-11-24T21:56:43ZengMDPI AGCoatings2079-64122019-09-0191060310.3390/coatings9100603coatings9100603Combining Thermal Spraying and Magnetron Sputtering for the Development of Ni/Ni-20Cr Thin Film Thermocouples for Plastic Flat Film Extrusion ProcessesWolfgang Tillmann0David Kokalj1Dominic Stangier2Volker Schöppner3Hatice Malatyali4Institute of Materials Engineering, TU Dortmund University, Leonhard-Euler-Straße 2, 44227 Dortmund, GermanyInstitute of Materials Engineering, TU Dortmund University, Leonhard-Euler-Straße 2, 44227 Dortmund, GermanyInstitute of Materials Engineering, TU Dortmund University, Leonhard-Euler-Straße 2, 44227 Dortmund, GermanyKunststofftechnik Paderborn, Paderborn University, Warburger Straße 100, 33098 Paderborn, GermanyKunststofftechnik Paderborn, Paderborn University, Warburger Straße 100, 33098 Paderborn, GermanyIn the digitalization of production, temperature determination is playing an increasingly important role. Thermal spraying and magnetron sputtering were combined for the development of Ni/Ni-20Cr thin film thermocouples for plastic flat film extrusion processes. On the thermally sprayed insulation layer, AlN and BCN thin films were deposited and analyzed regarding their structural properties and the interaction between the plastic melt and the surfaces using Ball-on-Disc experiments and High-Pressure Capillary Rheometer. A modular tool, containing the deposited Ni/Ni-20Cr thin film thermocouple, was developed and analyzed in a real flat film extrusion process. When calibrating the thin film thermocouple, an accurate temperature determination of the flowing melt was achieved. Industrial type K sensors were used as reference. In addition, PP foils were produced without affecting the surface quality by using thin film thermocouples.https://www.mdpi.com/2079-6412/9/10/603nickel–chromiumthin film thermocouplesphysical vapor depositionflat film extrusionfoil quality
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Wolfgang Tillmann David Kokalj Dominic Stangier Volker Schöppner Hatice Malatyali
spellingShingle	Wolfgang Tillmann David Kokalj Dominic Stangier Volker Schöppner Hatice Malatyali Combining Thermal Spraying and Magnetron Sputtering for the Development of Ni/Ni-20Cr Thin Film Thermocouples for Plastic Flat Film Extrusion Processes Coatings nickel–chromium thin film thermocouples physical vapor deposition flat film extrusion foil quality
author_facet	Wolfgang Tillmann David Kokalj Dominic Stangier Volker Schöppner Hatice Malatyali
author_sort	Wolfgang Tillmann
title	Combining Thermal Spraying and Magnetron Sputtering for the Development of Ni/Ni-20Cr Thin Film Thermocouples for Plastic Flat Film Extrusion Processes
title_short	Combining Thermal Spraying and Magnetron Sputtering for the Development of Ni/Ni-20Cr Thin Film Thermocouples for Plastic Flat Film Extrusion Processes
title_full	Combining Thermal Spraying and Magnetron Sputtering for the Development of Ni/Ni-20Cr Thin Film Thermocouples for Plastic Flat Film Extrusion Processes
title_fullStr	Combining Thermal Spraying and Magnetron Sputtering for the Development of Ni/Ni-20Cr Thin Film Thermocouples for Plastic Flat Film Extrusion Processes
title_full_unstemmed	Combining Thermal Spraying and Magnetron Sputtering for the Development of Ni/Ni-20Cr Thin Film Thermocouples for Plastic Flat Film Extrusion Processes
title_sort	combining thermal spraying and magnetron sputtering for the development of ni/ni-20cr thin film thermocouples for plastic flat film extrusion processes
publisher	MDPI AG
series	Coatings
issn	2079-6412
publishDate	2019-09-01
description	In the digitalization of production, temperature determination is playing an increasingly important role. Thermal spraying and magnetron sputtering were combined for the development of Ni/Ni-20Cr thin film thermocouples for plastic flat film extrusion processes. On the thermally sprayed insulation layer, AlN and BCN thin films were deposited and analyzed regarding their structural properties and the interaction between the plastic melt and the surfaces using Ball-on-Disc experiments and High-Pressure Capillary Rheometer. A modular tool, containing the deposited Ni/Ni-20Cr thin film thermocouple, was developed and analyzed in a real flat film extrusion process. When calibrating the thin film thermocouple, an accurate temperature determination of the flowing melt was achieved. Industrial type K sensors were used as reference. In addition, PP foils were produced without affecting the surface quality by using thin film thermocouples.
topic	nickel–chromium thin film thermocouples physical vapor deposition flat film extrusion foil quality
url	https://www.mdpi.com/2079-6412/9/10/603
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Combining Thermal Spraying and Magnetron Sputtering for the Development of Ni/Ni-20Cr Thin Film Thermocouples for Plastic Flat Film Extrusion Processes

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