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Proceedings 2017, 1(4), 611; doi:10.3390/proceedings1040611

A Spray Processed Polymer-Based High Temperature Organic/Metal Thermocouple for Embedding in Organic Coatings of Steel Substrates

Institute for Microelectronics and Microsensors, Johannes Kepler University, Altenbergerstrasse 69, 4040 Linz, Austria
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
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Published: 28 August 2017
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Abstract

In this work we present the realization of a fully spray processed embedded temperature sensor. The sensing element is a thermocouple made of conductive materials which are high temperature stable polymer based paints with organic or metallic filler particles. The thermocouple is embedded in an organic paint layer which shows, besides good high temperature properties up to 250 °C, excellent mechanical and chemical stability. The manufactured thermocouples are tested up to a junction temperature of 250 °C, first without and afterwards with an encapsulation layer. The measured output voltage for a terminal temperature of 25 °C and a junction temperature of 250 °C is in the region of 4.23 mV before and after top coating. Finally, a layer analysis of the encapsulated device is made using a cross-section polish.
Keywords: spray coated; thermocouple; embedded transducer; high temperature stable; polymer based; metal/organic; polymer composite spray coated; thermocouple; embedded transducer; high temperature stable; polymer based; metal/organic; polymer composite
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Knoll, M.; Offenzeller, C.; Jakoby, B.; Hilber, W. A Spray Processed Polymer-Based High Temperature Organic/Metal Thermocouple for Embedding in Organic Coatings of Steel Substrates. Proceedings 2017, 1, 611.

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