Circular Economy Concept In Additive Manufacturing

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

Recently, there has been increasing concern about the sustainability of the manufacturing industry, one of the major consumers of energy and raw materials, and therefore, a major producer of greenhouse gas emissions and waste. Additive manufacturing (AM) inherently generates less waste than the conventional manufacturing. In this study, the goal was to apply the concept of circular economy into AM, by recovering process sidestreams back to the feedstock material for Selective Laser Melting. The objective was to prepare powder from 100 % scrap feedstock following two routes: 1) mechanical milling of agglomerated residue powder, and 2) gas atomization of solid scrap without extra alloying to compensate possible alloy losses. The powder properties were analysed and test specimens for the determination of mechanical properties were made from the prepared powders and commercial reference powder. Conducted test series show that with recycled powders properties fully comparable to reference can be achieved.
Original languageEnglish
Title of host publicationEuro PM2017 Proceedings
PublisherEuropean Power Metallurgy Association EPMA
ISBN (Print)978-1-899072-49-1
Publication statusPublished - 1 Jan 2017
MoE publication typeA4 Article in a conference publication
EventEuro PM2017 Congress & Exhibition - Milan, Italy
Duration: 1 Oct 20175 Oct 2017
https://www.europm2017.com/

Conference

ConferenceEuro PM2017 Congress & Exhibition
CountryItaly
CityMilan
Period1/10/175/10/17
OtherEurope's annual powder metallurgy congress and exhibition
Internet address

Fingerprint

3D printers
economy
Powders
manufacturing
scrap
Feedstocks
gas atomization
greenhouses
Atomization
Gas emissions
Alloying
Greenhouse gases
alloying
Sustainable development
Raw materials
Melting
Gases
industries
routes
melting

Keywords

  • additive manufacturing
  • circular economy
  • powder
  • recycling

Cite this

Reijonen, J., Jokinen, A., Puukko, P., Lagerbom, J., Lindroos, T., Haapalainen, M., & Salminen, A. (2017). Circular Economy Concept In Additive Manufacturing. In Euro PM2017 Proceedings European Power Metallurgy Association EPMA.
Reijonen, Joni ; Jokinen, Antero ; Puukko, Pasi ; Lagerbom, Juha ; Lindroos, Tomi ; Haapalainen, Mika ; Salminen, Antti. / Circular Economy Concept In Additive Manufacturing. Euro PM2017 Proceedings. European Power Metallurgy Association EPMA, 2017.
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Reijonen, J, Jokinen, A, Puukko, P, Lagerbom, J, Lindroos, T, Haapalainen, M & Salminen, A 2017, Circular Economy Concept In Additive Manufacturing. in Euro PM2017 Proceedings. European Power Metallurgy Association EPMA, Euro PM2017 Congress & Exhibition, Milan, Italy, 1/10/17.

Circular Economy Concept In Additive Manufacturing. / Reijonen, Joni; Jokinen, Antero; Puukko, Pasi; Lagerbom, Juha; Lindroos, Tomi; Haapalainen, Mika; Salminen, Antti.

Euro PM2017 Proceedings. European Power Metallurgy Association EPMA, 2017.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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AU - Reijonen, Joni

AU - Jokinen, Antero

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AU - Haapalainen, Mika

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AB - Recently, there has been increasing concern about the sustainability of the manufacturing industry, one of the major consumers of energy and raw materials, and therefore, a major producer of greenhouse gas emissions and waste. Additive manufacturing (AM) inherently generates less waste than the conventional manufacturing. In this study, the goal was to apply the concept of circular economy into AM, by recovering process sidestreams back to the feedstock material for Selective Laser Melting. The objective was to prepare powder from 100 % scrap feedstock following two routes: 1) mechanical milling of agglomerated residue powder, and 2) gas atomization of solid scrap without extra alloying to compensate possible alloy losses. The powder properties were analysed and test specimens for the determination of mechanical properties were made from the prepared powders and commercial reference powder. Conducted test series show that with recycled powders properties fully comparable to reference can be achieved.

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Reijonen J, Jokinen A, Puukko P, Lagerbom J, Lindroos T, Haapalainen M et al. Circular Economy Concept In Additive Manufacturing. In Euro PM2017 Proceedings. European Power Metallurgy Association EPMA. 2017