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AMGTA Publishes First Research Paper on Sustainability in Additive Manufacturing

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The Additive Manufacturer Green Trade Association (AMGTA), a global trade group created to foster and promote the environmental benefits of additive manufacturing (AM), announced today the publication of its first commissioned university research project, a literature-based systematic review of the environmental benefits of metal AM. The paper, titled, “State of Knowledge on the Environmental Impacts of Metal Additive Manufacturing” was written by Dr. Jeremy Faludi from Delft University of Technology and Corrie Van Sice from Dartmouth College.

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According to its authors, the report “synthesizes existing academic literature comparing the environmental impacts of metal AM with conventional manufacturing methods, and provides context with impacts of common metals and processing methods found in a materials database.” Its goal “is to summarize current knowledge and identify areas where information is sparse, unclear, and much needed.” The full paper is available to AMGTA member companies, other industry stakeholders, and the general public on the AMGTA website at: https://www.amgta.org/resources/.

Key takeaways from the report include that, while “AM generally has much higher carbon footprints per kg of material processed than CM [conventional manufacturing] when considering the direct manufacturing process itself”, but “impacts depend greatly on part geometry—a solid cube will be much lower impact to produce by machining, while a hollow shell or lattice can be lower impact to produce by AM.” The report further recognizes the need for additional life cycle assessment (LCA) studies to quantify environmental impacts: “More LCA studies are necessary to definitively compare metal AM to CM; especially direct comparisons of AM to machining, and especially for technologies such as binder jetting and DED. These LCAs should ideally also include more of the product life cycle.”

“We were pleased to work with Dr. Faludi and Ms. Van Sice on this study,” said Sherry Handel, the Executive Director of the AMGTA. “No one should expect metal AM to be a more sustainable way to manufacture basic metal parts given the focused energy inherent in laser melting, but AM should present a more sustainable course for manufacturing finished precision components.” Ms. Handel continued, “These findings validate the AMGTA’s plans to provide the industry with rigorous, independent, and ongoing research. The AMGTA will continue to commission studies and publish research findings in an effort to update the industry and other key stakeholders on what our eco-footprint is now and what we will need to focus on in the future to be more sustainable.”

About the Researchers

Jeremy Faludi, Ph.D., a leading sustainable engineering researcher,was selected by the AMGTA to oversee this project. Dr. Faludi is assistant professor of design engineering at Delft University of Technology, where he specializes in sustainable design methods and green 3D printing, and adjunct faculty of engineering at the Thayer School of Engineering at Dartmouth College. Dr. Faludi earned a Ph.D. in Mechanical Engineering at University of California Berkeley, a Master of Engineering in Product Design at Stanford University, and a B.A. in Physics from Reed College.

Corrie Van Sice was a senior research engineer at the Faludi Lab at the Thayer School of Engineering, Dartmouth College. Ms. Van Sice managed the Green 3D Printing Lab and assessed AM techniques to define best practices for sustainability in the industry. Before joining the Faludi Lab, she was the lead Materials and Processes R&D Engineer at MakerBot Industries in Brooklyn, NY where she developed and scaled print material manufacturing. Ms. Van Sice earned a Master of Professional Studies from the Interactive Telecommunications Program at New York University in 2011.

About AMGTA

The AMGTA was launched in November 2019 to promote the environmental benefits of additive manufacturing (AM) over traditional methods of manufacturing. The AMGTA is a non-commercial, unaffiliated organization open to any additive manufacturer or industry stakeholder that meets certain criteria relating to sustainability of production or process.

Founding Members of the AMGTA include Sintavia, LLC, a leading additive manufacturer focused on the aerospace, defense, and space industry;Taiyo Nippon Sanso Corporation (one of the operating companies under Nippon Sanso Holdings Corporation), a supplier of stable industrial gases to a wide variety of global industries; and QC Laboratories, Inc., an industrial and commercial non-destructive testing laboratory focused on AM components.

Participating Members of the AMGTA include AMEXCI AB, Danish AM Hub, EOS, GE Additive, Materialise, National Manufacturing Institute Scotland,Siemens Digital Industries Software, SLM Solutions Inc., and Stryker.

Contact information

Sherry Handel
+1 954.308.0888
www.amgta.org

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