The status,challenges, and future of additive manufacturing in engineering |
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| Affiliation: | 1. School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907, USA;2. School of Electrical Engineering (by courtesy), Purdue University, West Lafayette, IN 47907, USA;3. Department of Industrial and Systems Engineering, University of Southern California, Los Angeles, CA 90089, USA;4. Department of Mechanical Engineering, VirginiaTech, Blacksburg, VA 24061, USA;5. Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong, China;6. School of Civil Engineering, Purdue University, West Lafayette, IN 47907, USA;1. Department of Mechanical Engineering, Jamia Millia Islamia, New Delhi, India;2. Department of Mechanical Engineering, Jamia Millia Islamia, New Delhi, India;1. Composite Materials and Structures Laboratory, Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, USA;2. Key Laboratory of Advanced Technologies of Materials, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China;3. Composite Material Research Laboratory, Department of Mechanical Engineering, University of New Orleans, LA 70148, USA |
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| Abstract: | Additive manufacturing (AM) is poised to bring about a revolution in the way products are designed, manufactured, and distributed to end users. This technology has gained significant academic as well as industry interest due to its ability to create complex geometries with customizable material properties. AM has also inspired the development of the maker movement by democratizing design and manufacturing. Due to the rapid proliferation of a wide variety of technologies associated with AM, there is a lack of a comprehensive set of design principles, manufacturing guidelines, and standardization of best practices. These challenges are compounded by the fact that advancements in multiple technologies (for example materials processing, topology optimization) generate a “positive feedback loop” effect in advancing AM. In order to advance research interest and investment in AM technologies, some fundamental questions and trends about the dependencies existing in these avenues need highlighting. The goal of our review paper is to organize this body of knowledge surrounding AM, and present current barriers, findings, and future trends significantly to the researchers. We also discuss fundamental attributes of AM processes, evolution of the AM industry, and the affordances enabled by the emergence of AM in a variety of areas such as geometry processing, material design, and education. We conclude our paper by pointing out future directions such as the “print-it-all” paradigm, that have the potential to re-imagine current research and spawn completely new avenues for exploration. |
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| Keywords: | Additive manufacturing 3D printing Maker Movement Topology optimization Open-source machine Intellectual property |
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