Microstructure characteristics of a René N5 Ni-based single-crystal superalloy prepared by laser-directed energy deposition

R Wang, J Wang, T Cao, R Zhao, X Lu, W Guan… - Additive …, 2023‏ - Elsevier
This work focused on the microstructure and mechanical properties of nickel-based single
crystal (SX) superalloy René N5 prepared by laser-directed energy deposition (L-DED) …

Hierarchically heterogeneous microstructure and mechanical properties in laser-directed energy deposition of γ-TiAl alloy through intrinsic cyclic heat treatment

T Cao, C Chen, R Zhao, X Lu, G Zhen, C Lu… - Materials Science and …, 2024‏ - Elsevier
The complex thermal effects of laser direct energy deposition (L-DED) provide significant
advantages for production of high-performance γ-TiAl alloy, whereas challenges still exist in …

Process parameter optimization for laser directed energy deposition (LDED) of Ti6Al4V using single-track experiments with small laser spot size

A Gonnabattula, RS Thanumoorthy, S Bontha… - Optics & Laser …, 2024‏ - Elsevier
Single-track experiments are routinely used in the optimization of process parameters in
additive manufacturing processes. Most of the process parameter optimization studies use a …

Mechanism of grain refinement and mechanical property enhancement of Ti-45Al-8Nb alloy by directed laser deposition

T Di, Y Zhao, C Song, Y Hu, G Ma, Z Wang… - Journal of Alloys and …, 2023‏ - Elsevier
Directed laser deposition (DLD) as an important additive manufacturing process, has a good
application prospect for the fabricating of complex high Nb-TiAl alloy parts in aerospace and …

Effect of wall thickness on the precipitation behavior, microstructure, electrical conductivity and mechanical properties of copper alloy prepared by electron beam …

Y Li, S Liu, Y Wang, J Wang, L Zhang, W Jia… - Materials …, 2024‏ - Elsevier
Electron beam powder bed fusion (EB-PBF) is one of the most promising technologies for
preparing thin-walled copper alloy, because copper alloy have a high energy absorption …

Analysis on phase transformation and lamellar formation of Ti-47.5 Al-3Nb-1.5/3.5 Cr alloys by confocal laser scanning in-situ observation

P Peng, Z Zhao, X Feng, S Zhou, Y Xu, X Zhang… - Materials …, 2023‏ - Elsevier
Abstract γ-TiAl alloy is a promising lightweight high temperature structural material basically
composed of lamellar structure which is closely related to mechanical properties of γ-TiAl …

The cracking behavior of Ni superalloys fabricated by laser directed energy deposition: The spatial distribution and formation mechanism

X Yang, M Liu, H Yu, Z Liu, J Li, W Xu - Materials Science and Engineering …, 2025‏ - Elsevier
Cracking defects forming during additive manufacturing (AM) process in Ni superalloys have
posed great challenge in application, since the spatial distributions of AM cracks are …