Solidification in metal additive manufacturing: challenges, solutions, and opportunities

S Chandra, J Radhakrishnan, S Huang, S Wei… - Progress in materials …, 2024 - Elsevier
The physics of alloy solidification during additive manufacturing (AM) in methods such as
laser powder bed fusion (LPBF), electron beam powder bed fusion (EPBF), and laser …

Recent progress in high-entropy alloys for laser powder bed fusion: Design, processing, microstructure, and performance

A Jarlöv, Z Zhu, W Ji, S Gao, Z Hu… - Materials Science and …, 2024 - Elsevier
Laser powder bed fusion (LPBF), as the most commercialized metal additive manufacturing
technique, is tantalizing the metallurgical community owing to its capabilities of directly …

Multiscale plastic deformation in additively manufactured FeCoCrNiMox high-entropy alloys to achieve strength–ductility synergy at elevated temperatures

D Lin, J Hu, R Wu, Y Liu, X Li, MJ SaGong… - International Journal of …, 2024 - Elsevier
The application of structural metals in extreme environments necessitates materials with
superior mechanical properties. Mo-doped FeCoCrNi high-entropy alloys (HEAs) have …

Achieving fine tailoring of elastocaloric properties of laser powder bed-fused NiTi alloy via laser beam manipulation

J Zhan, K Li, R Ma, L Zhu, J Fang, H Cao… - International Journal of …, 2024 - Elsevier
Laser powder bed fusion (LPBF) technology enables the development of NiTi alloys with
complex geometries and tunable phase-transformation temperatures (PTTs). This …

Achieving ultra-low wear of Ti6Al4V alloy by introducing a sinusoidal nitriding layer via nanosecond pulsed laser irradiation

H Zhang, C Wang, H Huang, J Yan, L Zhang… - Tribology …, 2024 - Elsevier
Introducing wear-resistant layers or constructing microtextures is normally employed to
improve the wear resistance of materials. However, single role of the wear-resistant layer or …

Additive manufacturing of metals and alloys to achieve heterogeneous microstructures for exceptional mechanical properties

H Chen, Y He, SS Dash, Y Zou - Materials Research Letters, 2024 - Taylor & Francis
Metals and alloys with heterogeneous microstructures exhibit an enhanced combination of
strength and ductility, compared to their counterparts with homogeneous microstructures …

In-situ synthesis of spatial heterostructure Ti composites by laser powder bed fusion to overcome the strength and plasticity trade-off

Y **ao, Y Yang, D Wang, H Zhou, Z Liu, L Liu… - International Journal of …, 2024 - Elsevier
Recent research has focused on laser in-situ additive manufacturing of metal matrix
composites with spatially controllable microstructures (phases). This study, inspired by the …

Fostering strengths against hydrogen embrittlement: insights from nanotwin-ability and post-treatment effects in additively manufactured CoCrFeMnNi

R Wu, SY Ahn, YT Choi, H Park… - Materials Research …, 2024 - Taylor & Francis
This study delves into effects of deep cryogenic treatment (DCT) on enhancing the hydrogen
embrittlement resistance of CoCrFeMnNi high-entropy alloy fabricated via laser powder-bed …

[HTML][HTML] Modelling grain refinement under additive manufacturing solidification conditions using high performance cellular automata

O Zinovieva, A Zinoviev, MN Patel, A Molotnikov… - Materials & Design, 2024 - Elsevier
Despite increasing applications of additively manufactured parts, they still suffer from
anisotropic mechanical properties and can experience cracking due to coarse columnar …

Dislocation distribution, crystallographic texture evolution, and plastic inhomogeneity of Inconel 718 fabricated by laser powder bed fusion

J Al‐Lami, T Dessolier, SR Rogers… - Advanced …, 2024 - Wiley Online Library
Plastic inhomogeneity, particularly localized strain, is one of the main mechanisms
responsible for failures in engineering alloys. This work studies the spatial arrangement and …