Microstructure and hot tensile behavior of Hastelloy X superalloy laser powder-bed fusion-fabricated through different scanning patterns

J Kangazian, A Kermanpur, M Shamanian… - Materials Science and …, 2023 - Elsevier
Tailoring the microstructure of the additively manufactured metal parts through adjusting
process parameters is a useful pathway to reduce the necessity of post-treatments, leading …

Microstructure evolution and enhanced mechanical properties of additively manufactured CrCoNi medium-entropy alloy composites

P Xue, L Zhu, P Xu, H Lu, S Wang, Z Yang… - Journal of Alloys and …, 2022 - Elsevier
High-entropy alloys (HEAs) and medium-entropy alloys (MEAs) are regarded as promising
advanced material with vast potential applications because of their many functional …

Dependency of recrystallization kinetics on the solidification microstructure of 316L stainless steel processed by laser powder bed fusion (LPBF)

E de Sonis, S Dépinoy, PF Giroux, H Maskrot… - Materials …, 2022 - Elsevier
In this study, the recrystallization kinetics of two 316L stainless steels produced by Laser
Powder-Bed Fusion (LPBF) were compared. The as-built microstructures of the studied …

Effect of heat treatment on microstructure and mechanical properties of in-situ synthesized Ni2CrCoNb0. 16 multi-principal element alloy manufactured by directed …

P Xue, L Zhu, P Xu, H Lu, S Wang, Z Yang… - Materials Science and …, 2023 - Elsevier
The variety of multi-principal element alloys (MPEAs) provide the possibility to develop new
materials with excellent mechanical properties. In this study, an in-situ synthesized age …

Microstructure and corrosion-wear behaviors for laser cladding repaired martensitic stainless steels using Co-based and Ni-based powders

W Zhang, X Shang, M Hu, X He, B Yang, K Dai… - Materials Today …, 2023 - Elsevier
Structural components always suffer severe surface damage (ie, abrasion and erosion)
during long-term service in harsh environments, and laser cladding is a highly efficient …

Grain boundary engineering activated by residual stress during the laser powder bed fusion of Inconel 718 and the electrochemical corrosion performance

B Liu, Y Ding, J Xu, Y Gao, C Chu, Y Hu… - Materials …, 2023 - Elsevier
Conventional grain-boundary engineering (GBE) is not directly compatible with the
complicated geometric parts fabricated via laser powder bed fusion (LPBF) owing to the …

Evolution of dislocation cellular pattern in Inconel 718 alloy fabricated by laser powder-bed fusion

M He, H Cao, Q Liu, J Yi, Y Ni, S Wang - Additive Manufacturing, 2022 - Elsevier
The dislocation cellular pattern (DCP) is a predominant microstructure in laser-based
additively manufactured metals. Understanding the evolution of DCP paves the way for …

[HTML][HTML] Improving corrosion resistance of selective laser melted 316L stainless steel through ultrasonic severe surface rolling

J Sun, Q Sun, Y Liu, B Li, Z Zhang, B Xu, S Xu… - journal of materials …, 2022 - Elsevier
Selective laser melting (SLM) is one of the common methods of additive manufacturing and
herein, ultrasonic severe surface rolling (USSR) is applied to enhance the corrosion …

Superior thermal stability and strength of additively manufactured CoCrFeMnNi high-entropy alloy via NbC decorated sub-micro dislocation cells

R Li, D Kong, K He, C Dong - Scripta Materialia, 2023 - Elsevier
Additively manufactured metallic alloys often exhibit mesoscale chemical-structural
heterogeneity due to the inherent melting and solidification processes. The resulting …

[HTML][HTML] Passivation characteristics of ultra-thin 316L foil in NaCl solutions

X Yue, Z Yang, L Huang, L Zhang, J Li, Z Xue… - Journal of Materials …, 2022 - Elsevier
Electrochemical behaviour and passive film characteristics of an ultra-thin 316L foil with a
thickness of 20 μm in 3.5 wt.% NaCl solution were investigated using multiple techniques …