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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing of Refractory Metallic Materials
Presentation Title Case Studies on Additive Manufacturing of Refractory Materials
Author(s) Jeongwoo Lee, Yung C. Shin
On-Site Speaker (Planned) Yung C. Shin
Abstract Scope This talk covers the case studies on additive manufacturing of highly refractive materials. The first case study is to demonstrate the laser cladding of tungsten on ODS steel for plasma-facing applications. Due to the high melting point of Tungsten, melting of the material requires large energy from the laser. With the substrate materials working as binder, about 88 w% of tungsten was achieved. Successive laser heating/melting was applied to each layer deposited to improve bonding. The second case investigates the cladding of Mo on an H13 tool steel substrate by the blown-powder laser additive manufacturing process to improve its wear and corrosion resistance. To alleviate crack and low concentration due to the large mismatch in thermal properties between Mo and H13, layers were built by functionally graded mixtures of Mo and H13 tool steel powders. A high Mo concentration of 76.7 wt% was achieved.
Proceedings Inclusion? Planned:
Keywords Additive Manufacturing, Process Technology, High-Temperature Materials


Additive Manufacture of Refractory Metals for Aerospace Applications
Additive Manufacturing of Refractory High Entropy Alloys
Case Studies on Additive Manufacturing of Refractory Materials
Design and Development of 3D Printable Nb-based Alloys for High Temperature Applications
Effect of Minor Titanium and Aluminum Addition on Ductility of Refractory High Entropy Alloy
Electron Beam Melting Additive Manufacturing of Pure Molybdenum
Enhancement of the Thermal Conductivity of Inconel 718 with the Addition of Tungsten
Fabrication of Pure Tungsten Using Electron Beam Powder Bed Fusion
Laser Assisted Cold Spray Deposition for Niobium and Tantalum Materials
Laser Beam Directed Energy Deposition Process Optimization for Refractory High Entropy Alloys
Laser Powder-bed-fusion of Pure Tungsten for Fusion Energy Applications
LPBF Printing of Nb for the Production of 3D Resonance Cavities
Mechanical Properties and Microstructural Characteristics of Additively Manufactured C103 Niobium Alloy
Refractory Development Framework Using Computational Modeling
Refractory Metals – Some Historical Observations
Study of Melt-pool Geometry and Microstructure in Pure W by Powder-feed Directed Energy Deposition
Thermal-chemical-fluid Flow of Dissimilar Species Mixing between Titanium and Refractory Metals
Union of Mo and Cr Alloys into a Single Multi-materials Part Using Laser-powder Directed Energy Deposition

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