TECHNOLOGIES
Technologies for additive manufacturing of metal structures
Additive manufacturing (AM) of metal structures is transforming industries by enabling the creation of complex, efficient, and customizable components. This article explores key AM technologies for metals, including Powder Bed Fusion (PBF), Directed Energy Deposition (DED), Binder Jetting, Metal Extrusion, and Sheet Lamination. Each is analyzed in terms of principles, strengths, limitations, and applications. A comparative evaluation highlights factors like precision, scalability, cost, and environmental impact to identify optimal technologies for various industries. Despite its advantages, challenges remain in material quality, process reliability, cost, and certification. Emerging trends such as hybrid manufacturing, AI-driven process optimization, advanced materials, and sustainable practices hold promise for overcoming these barriers. By examining current technologies and future opportunities, this article provides valuable insights for advancing metal AM in diverse applications.