Results 31 to 40 of about 27,449 (284)

Elucidating the impact of severe oxidation on the powder properties and laser melting behaviors

Materials & Design, 2022
In this work, commercial 316L stainless steel (SS) powder was used to experimentally determine the impacts of severe oxidation on the powder characteristics and laser powder bed fusion (L-PBF) melting behaviors.
Weiwei Zhou, Nina Takase, Mingqi Dong, Naoki Watanabe, Suxia Guo, Zhenxing Zhou, Naoyuki Nomura   +6 more
doaj   +1 more source

Alloy design for laser powder bed fusion additive manufacturing: a critical review

International Journal of Extreme Manufacturing, 2023
Metal additive manufacturing (AM) has been extensively studied in recent decades. Despite the significant progress achieved in manufacturing complex shapes and structures, challenges such as severe cracking when using existing alloys for laser powder bed
Zhuangzhuang Liu, Qihang Zhou, Xiaokang Liang, Xiebin Wang, Guichuan Li, K. Vanmeensel, Jianxin Xie   +6 more
semanticscholar   +1 more source

Recent progress on additive manufacturing of multi-material structures with laser powder bed fusion

Virtual and Physical Prototyping, 2022
Laser powder bed fusion (LPBF) additive manufacturing has been advancing in the fabrication of metallic multi-material structures with intricate structures and refined material layouts.
Di Wang, Linqing Liu, Guowei Deng, Cheng Deng, Yuchao Bai, Yong-qiang Yang, Weihui Wu, Jie Chen, Yang Liu, Yonggang Wang, Xin Lin, Changjun Han   +11 more
semanticscholar   +1 more source

Revealing relationships between porosity, microstructure and mechanical properties of laser powder bed fusion 316L stainless steel through heat treatment

Materials & Design, 2020
The understanding of relationships between processing, microstructure and mechanical properties in laser powder bed fusion is currently incomplete. Microstructure-property relations in 316L stainless steel are revealed in this study using isothermal heat
Tobias Ronneberg, Catrin M. Davies, Paul A. Hooper   +2 more
doaj   +1 more source

New insights on cellular structures strengthening mechanisms and thermal stability of an austenitic stainless steel fabricated by laser powder-bed-fusion

, 2021
Rapid solidification cellular structures are known to play a crucial role in helping achieve high strength and high ductility in 316L austenitic stainless steels fabricated by laser powder-bed-fusion (L-PBF).
T. Voisin, J. Forien, A. Perron, S. Aubry, N. Bertin, A. Samanta, A. Baker, Y. M. Wang   +7 more
semanticscholar   +1 more source

Characterization, preparation, and reuse of metallic powders for laser powder bed fusion: a review

International Journal of Extreme Manufacturing, 2023
Laser powder bed fusion (L-PBF) has attracted significant attention in both the industry and academic fields since its inception, providing unprecedented advantages to fabricate complex-shaped metallic components.
Xiaoyu Sun, Minan Chen, Tianyu Liu, Kai Zhang, Huiliang Wei, Zhiguang Zhu, Wenhe Liao   +6 more
semanticscholar   +1 more source

MECHANICAL PROPERTIES OF HONEYCOMB STRUCTURED ZR-BASED BULK METALLIC GLASS SPECIMENS FABRICATED BY LASER POWDER BED FUSION

South African Journal of Industrial Engineering, 2019
Laser powder bed fusion of bulk metallic glasses offers great potential to overcome the existing restrictions of the geometrical size and complexity of bulk metallic glasses in conventional manufacturing routes due to high cooling rates during laser ...
Wegner, J. , Frey, M. , Stiglmair, P. , Kleszczynski, S. , Witt, G. , Busch, R.   +5 more
doaj   +1 more source

A critical review on the effects of process-induced porosity on the mechanical properties of alloys fabricated by laser powder bed fusion

Journal of Materials Science, 2022
Laser powder bed fusion (LPBF) is an emerging additive manufacturing technique that is currently adopted by a number of industries for its ability to directly fabricate complex near-net-shaped components with minimal material wastage.
W. Kan, Louis N. S. Chiu, C. V. Lim, Yuman Zhu, Yangjie Tian, D. Jiang, A. Huang   +6 more
semanticscholar   +1 more source

Review on volumetric energy density: influence on morphology and mechanical properties of Ti6Al4V manufactured via laser powder bed fusion

Progress in Additive Manufacturing, 2022
Various laser powder bed fusion (LPBF) process parameters must be considered as they can independently affect the properties of end-product. However, many studies simply examine one or two LPBF process parameters.
Minhalina Ahmad Buhairi, F. Foudzi, Fathin Iliana Jamhari, A. Sulong, N. M. Radzuan, N. Muhamad, I. F. Mohamed, A. H. Azman, W. Harun, M. Al-Furjan   +9 more
semanticscholar   +1 more source

Data on a computationally efficient approximation of part-powder conduction as surface free convection in powder bed fusion process modelling

Data in Brief, 2019
This article is related to research article entitled “Resolution, energy and time dependency on layer scaling in finite element modelling of laser beam powder bed fusion additive manufacturing” [1].
Wenyou Zhang, Mingming Tong, Noel M. Harrison   +2 more
doaj   +1 more source