Abstract
Additive manufacturing (AM) is a disruptive technology that brings a paradigm shift in design and manufacturing by facilitating the fabrication of new-to-market, mass-customized and more innovative products. AM is primarily different from conventional manufacturing as it allows the building of a structure using a layer-by-layer approach from a digital model. In the traditional manufacturing route, the product is made first, followed by its appreciation of novelty and its sale to the customer. However, AM disrupts the conventional pathway by understanding the feel first through digitization, then selling the product and finally making it. Realizing the potential and importance of AM, a comprehensive R&D program has been undertaken since 2003 at Raja Ramanna Center for Advanced Technology (RRCAT) India. The present chapter introduces AM, followed by AM’s various freedoms, limitations, need and evolution, and the global scenario. It includes the classification of AM as per ASTM/ ISO 52900 and how AM contributes toward Industry 4.0. It also discusses the development of indigenous AM technology and its deployment for various applications at RRCAT, along with the future scope of the technology.
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Acknowledgements
The authors express their sincere gratitude to Mr. Debashis Das, Director RRCAT, for his constant support and encouragement. Thanks to Mr. S. V. Nakhe, Director—Laser Group, and Dr. K. S. Bindra, Associate Director—Laser Group, for constant encouragement in this evolving program at RRCAT. The authors are also thankful to our collaborators and colleagues at Laser Additive Manufacturing Laboratory for their support. A N Jinoop acknowledges the financial support of RRCAT, Department of Atomic Energy, Government of India, and HBNI, Mumbai.
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Paul, C.P., Jinoop, A.N. (2023). Additive Manufacturing: Bringing a Paradigm Shift. In: Shrivastava, A., Arora, A., Srivastava, C., Dhawan, N., Shekhar Singh, S. (eds) New Horizons in Metallurgy, Materials and Manufacturing. Indian Institute of Metals Series. Springer, Singapore. https://doi.org/10.1007/978-981-19-5570-9_3
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