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Nano-sized by-products from metal 3D printing, composite manufacturing and fabric production
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering. Swerea KIMAB.ORCID iD: 0000-0002-8045-6344
Swerea IVF.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.ORCID iD: 0000-0002-6616-2964
Swerea SICOMP.
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2016 (English)In: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 139, 1224-1233 p.Article in journal (Refereed) Published
Abstract [en]

Recently, the health and environmental perspective of nano-materials has gained attention. Most previous work focused on Engineered Nanoparticles (ENP). This paper examines some recently introduced production routes in terms of generated nano-sized by-products. A discussion on the hazards of emitting such particles and fibers is included. Fine by-products were found in recycled metal powder after 3D printing by Selective Laser Melting (SLM). The process somehow generated small round metal particles (~1e2 mm) that are possibly carcinogenic and respirable, but not small enough to enter by skin-absorption. With preventive measures like closed handling and masks, any health related effects can be prevented. The composite manufacturing in particular generated ceramic and carbonaceous particles that are very small and respirable but do not appear to be intrinsically toxic. The smallest features in agglomerates were about 30 nm. Small particles and fibers that were not attached in agglomerates were found in a wide range of sizes, from 1 μm and upwards. Preventive measures like closed handling and masks are strongly recommended. In contrast, the more traditional production route of fabric production is investigated. Here, brushing residue and recycled wool from fabric production contained few nano-sized by-products.

Place, publisher, year, edition, pages
2016. Vol. 139, 1224-1233 p.
Keyword [en]
Ultrafine particles; Nano-emissions; Nanoparticles; Additive manufacturing; Composite manufacturing; Fabric production
National Category
Metallurgy and Metallic Materials Composite Science and Engineering Textile, Rubber and Polymeric Materials Production Engineering, Human Work Science and Ergonomics Nano Technology
Research subject
Industrial Ecology; Production Engineering
URN: urn:nbn:se:kth:diva-196849DOI: 10.1016/j.jclepro.2016.08.141ISI: 000386991600112OAI: diva2:1049212
XPRES – Initiative for excellence in production research
XPRES - Initiative for excellence in production research

QC 20170109

Available from: 2016-11-23 Created: 2016-11-23 Last updated: 2017-01-10

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Metallurgy and Metallic MaterialsComposite Science and EngineeringTextile, Rubber and Polymeric MaterialsProduction Engineering, Human Work Science and ErgonomicsNano Technology

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