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Blown powder direct...
Blown powder directed energy deposition on various substrate conditions
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- Naesstroem, Himani (författare)
- Luleå tekniska universitet,Produkt- och produktionsutveckling
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- Brückner, Frank (författare)
- Luleå tekniska universitet,Produkt- och produktionsutveckling,Fraunhofer IWS, Winterbergstrasse 28, 01277 Dresden, Germany
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- Kaplan, Alexander F. H. (författare)
- Luleå tekniska universitet,Produkt- och produktionsutveckling
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(creator_code:org_t)
- Elsevier, 2022
- 2022
- Engelska.
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Ingår i: Journal of Manufacturing Processes. - : Elsevier. - 1526-6125. ; 73, s. 660-667
- Relaterad länk:
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https://doi.org/10.1...
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visa fler...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Blown powder directed energy deposition of SS316L powder is carried out on various substrate surface conditions of SS304 such as cleaned, sand blasted, milled, oily, cold galvanised and painted to study their influence on the process. High-speed imaging is used for process observation and the deposited tracks are analysed qualitatively and quantitatively using surface images, cross sectional macrographs and x-ray images. Frames from high-speed imaging reveal the removal of additional material from the substrate surface such as paint and oil. The stages involved in their removal: peeling and evaporation are presented. EDS analysis showed that no additional elements other than powder and substrate material are found in the track volume. The quantitative results for all specimens show that the surface conditions had minor influences on track width, track height, wetting angle, dilution and deposited cross sectional area. Defects such as porosity, inclusions and cracking were not observed related to the surface conditions. These findings could significantly reduce processing time by skipping the cleaning step before directed energy deposition such as laser cladding or repair in industrial applications.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
Nyckelord
- Laser cladding
- Laser metal deposition
- Surface conditions
- Contaminated surfaces
- High-speed imaging
- Produktionsutveckling
- Manufacturing Systems Engineering
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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