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Areal topography evaluation of a Ni-based alloy printed by electron beam melting (EBM) process
KTH, School of Industrial Engineering and Management (ITM), Sustainable production development.ORCID iD: 0000-0003-3056-781x
KTH, School of Industrial Engineering and Management (ITM), Production engineering, Manufacturing and Metrology Systems.ORCID iD: 0000-0002-2582-9910
Materials Technology YTMN, Scania CV AB, Granparksvägen 10, Södertälje, 151 87, Sweden.
KTH, School of Industrial Engineering and Management (ITM), Sustainable production development.ORCID iD: 0000-0001-9185-4607
Number of Authors: 42022 (English)In: European Society for Precision Engineering and Nanotechnology, Conference Proceedings: 22nd International Conference and Exhibition, EUSPEN 2022, euspen , 2022, p. 433-436Conference paper, Published paper (Refereed)
Abstract [en]

Electron beam melting (EBM) is a powder bed fusion (PBF) additive manufacturing (AM) process for metal powder printing with wide applications in key industrial sectors, including automotive, healthcare, aerospace, etc. The high-temperature processing of this technique extensively sinters the powders on the surfaces and creates a poor and coarse surface finish. Differences between the surfaces from EBM in comparison with other AM processes make it difficult to answer which measurement method, with what measurement settings, and which evaluation parameters should be used for surface characterization. In this work, the performance of various optical methods for the measurement of areal topography of rough EBM-made metal surfaces was investigated. A specially prepared artefact allowing for the generation of different angles was designed and produced from a nickel-based alloy using EBM without any supporting structure for down-facing surfaces. The as-built up-facing and down-facing surfaces from the artefacts were measured in orthogonal to the build direction. Measurement system capability for as-EBM surfaces is presented along with areal surface texture analysis.

Place, publisher, year, edition, pages
euspen , 2022. p. 433-436
Keywords [en]
areal topography, electron-beam melting, measurement, surface texture
National Category
Manufacturing, Surface and Joining Technology Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-333482Scopus ID: 2-s2.0-85145564588OAI: oai:DiVA.org:kth-333482DiVA, id: diva2:1785300
Conference
22nd International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2022, Geneva, Switzerland, May 30 2022 - Jun 3 2022
Note

Part of ISBN 9781998999118

QC 20230802

Available from: 2023-08-02 Created: 2023-08-02 Last updated: 2024-01-17Bibliographically approved

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Tomkowski, RobertZhao, XiaoyuArchenti, Andreas

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CiteExportLink to record
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Citation style
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