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Strain Transmission Characteristics of Steel Substrates for Additive Sensor Manufacturing with Selective Laser Melting

Hessinger, Markus and Kniepkamp, Michael and Lotichius, Jan and Hatzfeld, Christian and Werthschützky, Roland and Abele, Eberhard and Kupnik, Mario (2017):
Strain Transmission Characteristics of Steel Substrates for Additive Sensor Manufacturing with Selective Laser Melting.
In: 18th International Conference on Sensors and Measurement Technology, Nürnberg, Germany, 30.5. – 1.6.2017, [Conference or Workshop Item]

Abstract

In this work we investigate the mechanical characteristics of steel substrates, manufactured with selective laser melting (SLM), for the use as deformation elements of force sensors. First, the influence of different build-up directions in the SLM process is validated with test geometries. The experiments show a significant anisotropy in terms of intrinsic tension and surface quality. Second, the strain transmission behavior of the SLM steel test sample (1.4542) is measured with a foil strain gauge using a 4-point flexure test. In comparison to conventionally rolled stainless steel test samples (RSS), both manufacturing techniques show deviations of approx. 3 % to ideal linear behavior.

Item Type: Conference or Workshop Item
Erschienen: 2017
Creators: Hessinger, Markus and Kniepkamp, Michael and Lotichius, Jan and Hatzfeld, Christian and Werthschützky, Roland and Abele, Eberhard and Kupnik, Mario
Title: Strain Transmission Characteristics of Steel Substrates for Additive Sensor Manufacturing with Selective Laser Melting
Language: English
Abstract:

In this work we investigate the mechanical characteristics of steel substrates, manufactured with selective laser melting (SLM), for the use as deformation elements of force sensors. First, the influence of different build-up directions in the SLM process is validated with test geometries. The experiments show a significant anisotropy in terms of intrinsic tension and surface quality. Second, the strain transmission behavior of the SLM steel test sample (1.4542) is measured with a foil strain gauge using a 4-point flexure test. In comparison to conventionally rolled stainless steel test samples (RSS), both manufacturing techniques show deviations of approx. 3 % to ideal linear behavior.

Divisions: 18 Department of Electrical Engineering and Information Technology > Institute for Electromechanical Design
18 Department of Electrical Engineering and Information Technology > Institute for Electromechanical Design > Measurement and Sensor Technology
18 Department of Electrical Engineering and Information Technology
Event Title: 18th International Conference on Sensors and Measurement Technology
Event Location: Nürnberg, Germany
Event Dates: 30.5. – 1.6.2017
Date Deposited: 21 Jun 2017 08:21
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