Measurement of the Beruforge 152DL thin-film lubricant using a developed thin-film thickness standard

<p>Systematic deviations due to remaining lubricant on the workpiece have a significant influence on the measurement of sheet-bulk metal formed parts. The expected layer thickness for the workpieces after the forming process is less than 35&thinsp;<span class="inline-formula"&...

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Main Authors: S. Metzner, T. Reuter, T. Hausotte
Format: Article
Language:English
Published: Copernicus Publications 2020-05-01
Series:Journal of Sensors and Sensor Systems
Online Access:https://www.j-sens-sens-syst.net/9/157/2020/jsss-9-157-2020.pdf
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author S. Metzner
T. Reuter
T. Hausotte
author_facet S. Metzner
T. Reuter
T. Hausotte
author_sort S. Metzner
collection DOAJ
description <p>Systematic deviations due to remaining lubricant on the workpiece have a significant influence on the measurement of sheet-bulk metal formed parts. The expected layer thickness for the workpieces after the forming process is less than 35&thinsp;<span class="inline-formula">µ</span>m. For the determination of the refractive index of the lubricant and thus the effects of the lubricant on optical measurement techniques, a lubricant thin-film thickness standard was developed which represents a continuous measuring range from 6 to 100&thinsp;<span class="inline-formula">µ</span>m. To determine the refractive index, the thin-film thickness standard was measured with a coaxial interferometric measurement system in various thickness ranges. Due to the knowledge of the optical and the geometrical path length, the refractive index can then be determined approximately. In addition, an XY stage was used to scan the entire thin-film area of the standard. The measurement setup in a temperature box allows for determining the effects of temperature changes on the optical properties of the lubricant.</p>
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spelling doaj.art-87b8c5322cf24e23b718b1fcc02f1d562022-12-22T01:25:40ZengCopernicus PublicationsJournal of Sensors and Sensor Systems2194-87712194-878X2020-05-01915716510.5194/jsss-9-157-2020Measurement of the Beruforge 152DL thin-film lubricant using a developed thin-film thickness standardS. MetznerT. ReuterT. Hausotte<p>Systematic deviations due to remaining lubricant on the workpiece have a significant influence on the measurement of sheet-bulk metal formed parts. The expected layer thickness for the workpieces after the forming process is less than 35&thinsp;<span class="inline-formula">µ</span>m. For the determination of the refractive index of the lubricant and thus the effects of the lubricant on optical measurement techniques, a lubricant thin-film thickness standard was developed which represents a continuous measuring range from 6 to 100&thinsp;<span class="inline-formula">µ</span>m. To determine the refractive index, the thin-film thickness standard was measured with a coaxial interferometric measurement system in various thickness ranges. Due to the knowledge of the optical and the geometrical path length, the refractive index can then be determined approximately. In addition, an XY stage was used to scan the entire thin-film area of the standard. The measurement setup in a temperature box allows for determining the effects of temperature changes on the optical properties of the lubricant.</p>https://www.j-sens-sens-syst.net/9/157/2020/jsss-9-157-2020.pdf
spellingShingle S. Metzner
T. Reuter
T. Hausotte
Measurement of the Beruforge 152DL thin-film lubricant using a developed thin-film thickness standard
Journal of Sensors and Sensor Systems
title Measurement of the Beruforge 152DL thin-film lubricant using a developed thin-film thickness standard
title_full Measurement of the Beruforge 152DL thin-film lubricant using a developed thin-film thickness standard
title_fullStr Measurement of the Beruforge 152DL thin-film lubricant using a developed thin-film thickness standard
title_full_unstemmed Measurement of the Beruforge 152DL thin-film lubricant using a developed thin-film thickness standard
title_short Measurement of the Beruforge 152DL thin-film lubricant using a developed thin-film thickness standard
title_sort measurement of the beruforge 152dl thin film lubricant using a developed thin film thickness standard
url https://www.j-sens-sens-syst.net/9/157/2020/jsss-9-157-2020.pdf
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AT treuter measurementoftheberuforge152dlthinfilmlubricantusingadevelopedthinfilmthicknessstandard
AT thausotte measurementoftheberuforge152dlthinfilmlubricantusingadevelopedthinfilmthicknessstandard