Progress and perspectives in laser additive manufacturing of key aeroengine materials

C Tan, F Weng, S Sui, Y Chew, G Bi - International Journal of Machine …, 2021 - Elsevier
Aerospace is a key market driver for the advancement of additive manufacturing (AM) due to
the huge demands in high-mix low-volume production of high-value parts, integrated …

Control of grain structure, phases, and defects in additive manufacturing of high-performance metallic components

T Mukherjee, JW Elmer, HL Wei, TJ Lienert… - Progress in Materials …, 2023 - Elsevier
The properties and serviceability of 3D-printed metal parts depend on a variety of attributes.
These include the chemical composition, phases, morphology, spatial distributions of grain …

Cracking mechanism of Hastelloy X superalloy during directed energy deposition additive manufacturing

B Guo, Y Zhang, Z Yang, D Cui, F He, J Li, Z Wang… - Additive …, 2022 - Elsevier
Metal additive manufacturing (AM) offers promising potential in the production of
components with geometric complex or customized structure and outstanding properties, but …

Investigation of strengthening mechanisms in an additively manufactured Haynes 230 alloy

B Yang, Z Shang, J Ding, J Lopez, W Jarosinski, T Sun… - Acta Materialia, 2022 - Elsevier
There are abundant studies on additive manufacturing of Ni alloys, such as Inconel 718.
However, the studies on the microstructure and the deformation behavior of solid solution …

Effect of temperature on the microstructure and tensile properties of micro-crack free hastelloy X produced by selective laser melting

ML Montero-Sistiaga, Z Liu, L Bautmans… - Additive …, 2020 - Elsevier
The high-temperature behaviour of micro-crack free Hastelloy X produced by SLM has been
studied. The microstructure and mechanical behaviour of as-built parts and heat-treated (at …

Powder recycling effects on porosity development and mechanical properties of Hastelloy X alloy during laser powder bed fusion process

X He, D Kong, Y Zhou, L Wang, X Ni, L Zhang… - Additive …, 2022 - Elsevier
This study compares and analyzes the morphology, size, oxygen content, and microstructure
of virgin and recycled powders after six iterations to assess the mechanical properties of the …

[HTML][HTML] Modelling of additive manufacturability of nickel-based superalloys for laser powder bed fusion

J Xu, P Kontis, RL Peng, J Moverare - Acta Materialia, 2022 - Elsevier
The additive manufacturability of nickel-based superalloys for laser powder bed fusion
(LPBF) technologies is studied by considering the in-process cracking mechanisms. The …

Crack elimination and mechanical properties enhancement in additive manufactured Hastelloy X via in-situ chemical doping of Y2O3

X Cheng, Y Zhao, Z Qian, J Wu, J Dong, Z Ma… - Materials Science and …, 2021 - Elsevier
Nowadays, applying the SLM technology to produce crack-free high-performance solution
strengthened superalloys or refractory metal is still a big challenge. In this work, an …

Microstructural evolution and cracking behavior of Hastelloy X superalloy fabricated by laser directed energy deposition

W Zhang, F Liu, F Liu, C Huang, H Zheng… - Journal of Alloys and …, 2022 - Elsevier
Hastelloy X (HX) block was fabricated by laser directed energy deposition (LDED).
Microstructure evolution and cracking behavior of the as-deposited LDED HX were …

Recrystallization in non-conventional microstructures of 316L stainless steel produced via laser powder-bed fusion: effect of particle coarsening kinetics

FC Pinto, LS Aota, IR Souza Filho, D Raabe… - Journal of Materials …, 2022 - Springer
Alloys processed by laser powder-bed fusion show distinct microstructures composed of
dislocation cells, dispersed nanoparticles, and columnar grains. Upon post-build annealing …