We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Advances in Laser Powder Bed Fusion of Tungsten, Tungsten Alloys, and Tungsten-Based Composites.
- Authors
Li, Hua; Shen, Yun; Wu, Xuehua; Wang, Dongsheng; Yang, Youwen
- Abstract
In high-tech areas such as nuclear fusion, aerospace, and high-performance tools, tungsten and its alloys are indispensable due to their high melting point, low thermal expansion, and excellent mechanical properties. The rise of Additive Manufacturing (AM) technologies, particularly Laser Powder Bed Fusion (L-PBF), has enabled the precise and rapid production of complex tungsten parts. However, cracking and densification remain major challenges in printing tungsten samples, and considerable efforts have been made to study how various processing conditions (such as laser power, scanning strategy, hatch spacing, scan speed, and substrate preheating) affect print quality. In this review, we comprehensively discuss various critical processing parameters and the impact of oxygen content on the control of the additive manufacturing process and the quality of the final parts. Additionally, we introduce additive manufacturing-compatible W materials (pure W, W alloys, and W-based composites), summarize the differences in their mechanical properties, densification, and microstructure, and further provide a clear outlook for developing additive manufactured W materials.
- Subjects
NUCLEAR fusion; MELTING points; MANUFACTURING processes; THERMAL expansion; ALLOYS; TUNGSTEN
- Publication
Micromachines, 2024, Vol 15, Issue 8, p966
- ISSN
2072-666X
- Publication type
Article
- DOI
10.3390/mi15080966