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Selective Laser Melting Process Monitoring by Means of Thermography
Swerea IVF AB, Mölndal, Sweden.
Swerea IVF AB, Mölndal, Sweden.
Linköping University, Department of Electrical Engineering, Computer Vision. Linköping University, Faculty of Science & Engineering. Termisk Systemteknik AB, Linköping, Sweden.ORCID iD: 0000-0002-6763-5487
Termisk Systemteknik AB, Linköping, Sweden.
2018 (English)In: Proceedings of Euro Powder Metallurgy Congress (Euro PM), European Powder Metallurgy Association (EPMA) , 2018, article id 3957771Conference paper, Published paper (Refereed)
Abstract [en]

Selective laser melting (SLM) enables production of highly intricate components. From this point of view, the capabilities of this technology are known to the industry and have been demonstrated in numerous applications. Nonetheless, for serial production purposes the manufacturing industry has so far been reluctant in substituting its conventional methods with SLM. One underlying reason is the lack of simple and reliable process monitoring methods. This study examines the feasibility of using thermography for process monitoring. To this end, an infra-red (IR) camera was mounted off-axis to monitor and record the temperature of every layer. The recorded temperature curves are analysed and interpreted with respect to different stages of the process. Furthermore, the possibility of detecting variations in laser settings by means of thermography is demonstrated. The results show that once thermal patterns are identified, this data can be utilized for in-process and post-process monitoring of SLM production.

Place, publisher, year, edition, pages
European Powder Metallurgy Association (EPMA) , 2018. article id 3957771
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:liu:diva-152570ISBN: 978-1-899072-50-7 (electronic)OAI: oai:DiVA.org:liu-152570DiVA, id: diva2:1261349
Conference
Euro Powder Metallurgy Congress (Euro PM)
Funder
VINNOVA, 2016-04486Available from: 2018-11-07 Created: 2018-11-07 Last updated: 2018-11-21

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Ahlberg, Jörgen

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf