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Comparative life cycle assessment of conventional and additive manufacturing in mold core making for CFRP production

: Kafara, Markus; Süchting, Martin; Kemnitzer, Jan-Felix; Westermann, Hans-Henrik; Steinhilper, Rolf

Volltext urn:nbn:de:0011-n-4457001 (679 KByte PDF)
MD5 Fingerprint: 2639ba67890569fddab734c7f1292f46
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Erstellt am: 23.5.2017

Procedia manufacturing 8 (2017), S.223-230
ISSN: 2351-9789
Global Conference on Sustainable Manufacturing (GCSM) <14, 2016, Stellenbosch/South Africa>
Zeitschriftenaufsatz, Konferenzbeitrag, Elektronische Publikation
Fraunhofer IPA ()
Additive Manufacturing (AM); personalisierte Produktion; Sustainable Manufacturing Systems; Carbon-fiber-Reinforced Plastic (CFRP); Life Cycle Assessment (LCA); Lebenszyklusanalyse; 3D-Druck

Additive manufacturing has become one of the most innovative technologies in manufacturing. In comparison to conventional manufacturing, it can be more cost and time efficient, especially for small-scale production and customized products. Furthermore, this technology shows high sustainable potential. This study compares the environmental impacts of conventional and additive manufacturing of mold cores, which are used in the CFRP production. For this purpose, four LCA for manufacturing processes of mold cores were realized, regarding casting with low-melting alloy, milling from plaster-like material Aquapour, additive manufacturing with High Impact Polystyrene (HIPS) and additive manufacturing with powder materials like salt. For all four processes a cradle to grave LCA was made. The results show that the additive manufacturing processes have a lower environmental impact than the conventional manufacturing processes. Especially the damage caused by resources can be dramatically reduced.