Powder bed fusion additive manufacturing of Ni-based superalloys: a review of the main microstructural constituents and characterization techniques
Metal additive manufacturing (AM) has unlocked unique opportunities for making complex
Ni-based superalloy parts with reduced material waste, development costs, and production …
Ni-based superalloy parts with reduced material waste, development costs, and production …
[HTML][HTML] Laser beam shaping facilitates tailoring the mechanical properties of IN718 during powder bed fusion
One of the recent technological developments in the Laser Powder Bed Fusion (LPBF)
process is the use of non-Gaussian beam profiles of power density distributions. Irrespective …
process is the use of non-Gaussian beam profiles of power density distributions. Irrespective …
Microstructure, crack formation and improvement on Nickel-based superalloy fabricated by powder bed fusion
Y Wang, W Guo, H Zheng, Y Xie, X Zhang, H Li… - Journal of Alloys and …, 2023 - Elsevier
Abstract Nickel-based superalloy (Haynes 230) parts were fabricated by powder bed fusion
using a laser-based system. Crack defects were unavoidable. In order to solve the cracking …
using a laser-based system. Crack defects were unavoidable. In order to solve the cracking …
Enhanced fatigue life of additively manufactured high-strength TiB2-reinforced Al-Cu-Mg-Ag composite through in-process surface modification during hybrid laser …
Laser powder bed fusion (L-PBF), an additive manufacturing (AM) technique, often leads to
parts with high surface roughness in as-built condition, hence limited fatigue performance …
parts with high surface roughness in as-built condition, hence limited fatigue performance …
Analytical modelling of scanning strategy effect on temperature field and melt track dimensions in laser powder bed fusion
The manufacture of defect-free and dimensionally accurate parts in laser powder bed fusion
(LPBF) is influenced by temperature field, deposited track geometry, and process-induced …
(LPBF) is influenced by temperature field, deposited track geometry, and process-induced …
[HTML][HTML] Site-specific Cu clustering and precipitation in laser powder-bed fusion 17–4 PH stainless steel
Thermal gyrations inherent to metal additive manufacturing (AM) result in complex
microstructural heterogeneities that are linked to the process parameters, geometry, and …
microstructural heterogeneities that are linked to the process parameters, geometry, and …
Effect of scanning strategies on the microstructure and mechanical properties of Inconel 718 alloy fabricated by laser powder bed fusion
L Liu, D Wang, Y Yang, Z Wang, Z Qian… - Advanced …, 2023 - Wiley Online Library
The scanning strategy is an essential factor that determines the thermal history and
combination of melt tracks within parts in the laser powder bed fusion (LPBF) process, which …
combination of melt tracks within parts in the laser powder bed fusion (LPBF) process, which …
Residual Stress Distribution in Selective Laser Melting of SS316L Parts
Additive manufacturing is one of the fastest‐growing fields in materials engineering. This is
because there is a new trend for custom, high‐precision, and on‐demand manufacturing …
because there is a new trend for custom, high‐precision, and on‐demand manufacturing …
Optimization of the gas flow system in a selective laser melting chamber using numerical methods
Z Zhou, Y Li, X Chen, X Shang… - Advances in …, 2024 - journals.sagepub.com
A well-designed flow field is a key factor to improve the surface quality of products by
removing spatter, which is often generated during the selective laser melting (SLM) process …
removing spatter, which is often generated during the selective laser melting (SLM) process …
Impact of gas flow direction on the crystallographic texture evolution in laser beam powder bed fusion
H Amano, T Ishimoto, K Hagihara… - Virtual and Physical …, 2023 - Taylor & Francis
This study demonstrated that the gas flow direction in the laser beam powder bed fusion
(PBF-LB) significantly affects the crystallographic texture evolved in the products. The effect …
(PBF-LB) significantly affects the crystallographic texture evolved in the products. The effect …