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Sustainability 2018, 10(10), 3606;

Investigation of Energy Requirements and Environmental Performance for Additive Manufacturing Processes

Department of Industrial, Manufacturing and Systems Engineering, Texas Tech University, Lubbock, TX 79409, USA
School of Mechanical Engineering, Dalian University of Technology, Dalian 116023, China
Department of Systems Science and Industrial Engineering, State University of New York at Binghamton, Binghamton, NY 13902, USA
Author to whom correspondence should be addressed.
Received: 31 August 2018 / Revised: 23 September 2018 / Accepted: 5 October 2018 / Published: 10 October 2018
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This paper explores the specific energy consumption (SEC) and environmental impacts for typical additive manufacturing processes. Also, the paper examines the possibility that ensure the product quality while reducing energy consumption with experimental analysis. The results show that (1) the SEC of additive manufacturing processes is related not only to material characteristics but also to the process input parameters; (2) it is possible to increase the energy efficiency without reducing product quality by adjusting the process rate or selecting different materials; and (3) the global warming potential (GWP) result of AM processes indicates that the GWP is brought about principally by the energy production process. The information provided by this project can also be of benefit to life cycle assessment and other environmental impact assessment related to AM processes. View Full-Text
Keywords: energy consumption; environmental performance; additive manufacturing processes energy consumption; environmental performance; additive manufacturing processes

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Liu, Z.; Jiang, Q.; Ning, F.; Kim, H.; Cong, W.; Xu, C.; Zhang, H.-C. Investigation of Energy Requirements and Environmental Performance for Additive Manufacturing Processes. Sustainability 2018, 10, 3606.

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