Metal Additive Manufacturing: A Review
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TLDR
The state-of-the-art of additive manufacturing (AM) can be classified into three categories: direct digital manufacturing, free-form fabrication, or 3D printing as discussed by the authors.Abstract:
This paper reviews the state-of-the-art of an important, rapidly emerging, manufacturing technology that is alternatively called additive manufacturing (AM), direct digital manufacturing, free form fabrication, or 3D printing, etc. A broad contextual overview of metallic AM is provided. AM has the potential to revolutionize the global parts manufacturing and logistics landscape. It enables distributed manufacturing and the productions of parts-on-demand while offering the potential to reduce cost, energy consumption, and carbon footprint. This paper explores the material science, processes, and business consideration associated with achieving these performance gains. It is concluded that a paradigm shift is required in order to fully exploit AM potential.read more
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Journal ArticleDOI
Additive manufacturing of metallic components – Process, structure and properties
Tarasankar Debroy,Huiliang Wei,J.S. Zuback,T. Mukherjee,John W. Elmer,John O. Milewski,Allison M. Beese,Alexander E. Wilson-Heid,Amitava De,Wei Zhang +9 more
TL;DR: A review of the emerging research on additive manufacturing of metallic materials is provided in this article, which provides a comprehensive overview of the physical processes and the underlying science of metallurgical structure and properties of the deposited parts.
Journal ArticleDOI
Additive manufacturing of metals
TL;DR: In this paper, the authors describe the complex relationship between additive manufacturing processes, microstructure and resulting properties for metals, and typical microstructures for additively manufactured steel, aluminium and titanium are presented.
Journal ArticleDOI
The metallurgy and processing science of metal additive manufacturing
TL;DR: In this article, a review of additive manufacturing (AM) techniques for producing metal parts are explored, with a focus on the science of metal AM: processing defects, heat transfer, solidification, solid-state precipitation, mechanical properties and post-processing metallurgy.
Journal ArticleDOI
3D printing of high-strength aluminium alloys
John H. Martin,Brennan Yahata,Jacob M. Hundley,Justin Mayer,Tobias A. Schaedler,Tresa M. Pollock +5 more
TL;DR: The approach to metal-based additive manufacturing is applicable to a wide range of alloys and can be implemented using a range of additive machines, and provides a foundation for broad industrial applicability, including where electron-beam melting or directed-energy-deposition techniques are used instead of selective laser melting.
Journal ArticleDOI
Topological design and additive manufacturing of porous metals for bone scaffolds and orthopaedic implants: A review.
Xiaojian Wang,Shanqing Xu,Shiwei Zhou,Wei Xu,Martin Leary,Peter F. M. Choong,Ma Qian,Milan Brandt,Yi Min Xie +8 more
TL;DR: The state-of-the-art of topological design and manufacturing processes of various types of porous metals, in particular for titanium alloys, biodegradable metals and shape memory alloys are reviewed.
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