Details
| Original language | English |
|---|---|
| Title of host publication | 2021 IEEE Sensors, SENSORS 2021 - Conference Proceedings |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9781728195018 |
| ISBN (Print) | 978-1-7281-9502-5 |
| Publication status | Published - 2021 |
| Event | 20th IEEE Sensors, SENSORS 2021 - Virtual, Online, Australia Duration: 31 Oct 2021 → 4 Nov 2021 |
Publication series
| Name | Proceedings of IEEE Sensors |
|---|---|
| Volume | 2021-October |
| ISSN (Print) | 1930-0395 |
| ISSN (Electronic) | 2168-9229 |
Abstract
This paper shows the possibility of direct deposition of strain gauge sensors on curved metallic surfaces of arbitrary size. A novel, patented sputtering system from the IMPT guarantees the manufacturing directly onto the surface of any component. By this, the need of the undesirable polymer foil and adhesive vanishes, which are both necessary for conventional sensors. Thin-film metal strain gauges thereby enable new measurement positions in harsh environments due to their minimal total thickness of under 5 m, for example in industrial applications with special needs, as they exist for drilling bottom hole assemblies. This article discusses the optimization of laser cut stainless steel shadow masks for structuring the sensor layer resulting in low resistance differences of 5.3 % for sputtered sensors. The developed constantan strain gauges show a low temperature coefficient of resistance of 74.8 ppm/°C, stability up to at least 210 °C and a k-factor of 1.98. Half-bridge measurements revealed an apparent strain of 156 m/m at 200 °C and an error of only 6 m/m when strain is applied.
Keywords
- curvature, curved metallic surface, direct deposition, half-bridge, k-factor, sputtering, strain gauges, TCR
ASJC Scopus subject areas
- Engineering(all)
- Electrical and Electronic Engineering
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2021 IEEE Sensors, SENSORS 2021 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., 2021. (Proceedings of IEEE Sensors; Vol. 2021-October).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Directly Deposited Thin-Film Strain Gauges on Curved Metallic Surfaces
AU - Ottermann, Rico
AU - Klaas, Daniel
AU - Dencker, Folke
AU - Hoheisel, Dominik
AU - Jung, Sebastian
AU - Wienke, Alexander
AU - Dusing, Jan Friedrich
AU - Koch, Jurgen
AU - Wurz, Marc Christopher
N1 - Funding Information: ACKNOWLEDGMENT The authors thank the German Research Foundation (DFG) that funded this publication as part of the transfer project T14 that arose from the Collaborative Research Centre 653 “Gentelligent Components in their Lifecycle”.
PY - 2021
Y1 - 2021
N2 - This paper shows the possibility of direct deposition of strain gauge sensors on curved metallic surfaces of arbitrary size. A novel, patented sputtering system from the IMPT guarantees the manufacturing directly onto the surface of any component. By this, the need of the undesirable polymer foil and adhesive vanishes, which are both necessary for conventional sensors. Thin-film metal strain gauges thereby enable new measurement positions in harsh environments due to their minimal total thickness of under 5 m, for example in industrial applications with special needs, as they exist for drilling bottom hole assemblies. This article discusses the optimization of laser cut stainless steel shadow masks for structuring the sensor layer resulting in low resistance differences of 5.3 % for sputtered sensors. The developed constantan strain gauges show a low temperature coefficient of resistance of 74.8 ppm/°C, stability up to at least 210 °C and a k-factor of 1.98. Half-bridge measurements revealed an apparent strain of 156 m/m at 200 °C and an error of only 6 m/m when strain is applied.
AB - This paper shows the possibility of direct deposition of strain gauge sensors on curved metallic surfaces of arbitrary size. A novel, patented sputtering system from the IMPT guarantees the manufacturing directly onto the surface of any component. By this, the need of the undesirable polymer foil and adhesive vanishes, which are both necessary for conventional sensors. Thin-film metal strain gauges thereby enable new measurement positions in harsh environments due to their minimal total thickness of under 5 m, for example in industrial applications with special needs, as they exist for drilling bottom hole assemblies. This article discusses the optimization of laser cut stainless steel shadow masks for structuring the sensor layer resulting in low resistance differences of 5.3 % for sputtered sensors. The developed constantan strain gauges show a low temperature coefficient of resistance of 74.8 ppm/°C, stability up to at least 210 °C and a k-factor of 1.98. Half-bridge measurements revealed an apparent strain of 156 m/m at 200 °C and an error of only 6 m/m when strain is applied.
KW - curvature
KW - curved metallic surface
KW - direct deposition
KW - half-bridge
KW - k-factor
KW - sputtering
KW - strain gauges
KW - TCR
UR - http://www.scopus.com/inward/record.url?scp=85123096178&partnerID=8YFLogxK
U2 - 10.1109/sensors47087.2021.9639542
DO - 10.1109/sensors47087.2021.9639542
M3 - Conference contribution
AN - SCOPUS:85123096178
SN - 978-1-7281-9502-5
T3 - Proceedings of IEEE Sensors
BT - 2021 IEEE Sensors, SENSORS 2021 - Conference Proceedings
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 20th IEEE Sensors, SENSORS 2021
Y2 - 31 October 2021 through 4 November 2021
ER -