Recrystallization effect on surface passivation of Hastelloy X alloy fabricated by laser powder bed fusion

X He, L Wang, D Kong, R Li, W Zhang, K Dai… - Journal of Materials …, 2023 - Elsevier
Post-heat treatment is generally adopted in the additive manufacturing field due to its
alleviation of high residual stress and modification of rapid-solidified multilevel …

The role of overlap region width in multi-laser powder bed fusion of Hastelloy X superalloy

Y Xie, Q Teng, M Shen, Z Zhang, Y Wei… - Virtual and Physical …, 2023 - Taylor & Francis
During the multi-laser powder bed fusion (ML-PBF) process, the quality of the overlap region
is essential to ensure the integrity between different laser scanning areas. Here, six different …

[HTML][HTML] Tailoring the microstructure and mechanical properties for Hastelloy X alloy by laser powder bed fusion via scanning strategy

K Dai, X He, W Zhang, D Kong, R Guo, M Hu, K He… - Materials & Design, 2023 - Elsevier
Irregular large pores induced by laser powder bed fusion (LPBF) are inherent defects, which
greatly domain the mechanical properties of as-built components. Laser remelting is an …

High-temperature tensile properties of Hastelloy X produced by laser powder bed fusion with different heat treatments

M Liu, Q Zeng, Y Hua, W Zheng, Y Wu, Y Jin, Y Li… - Metals, 2022 - mdpi.com
High temperature gradient and rapid solidification rate in the laser powder bed fusion
(LPBF) process could result in the presence of columnar grains, which could cause poor …

Investigation of deformation mechanisms in Hastelloy X superalloy manufactured via laser powder-bed fusion: Insights into effects of carbides and cellular structure at …

Y Sun, R Huang, D Lin, L Liu, C Tan, X Song… - Journal of Manufacturing …, 2023 - Elsevier
Hastelloy X (HX) is an important nickel-based superalloy used to manufacture heat-resistant
components for aerospace engines. To understand the failure mechanisms of laser powder …

Microstructural evolution of post-processed Hastelloy X alloy fabricated by laser powder bed fusion

G Marchese, E Bassini, A Aversa, M Lombardi… - Materials, 2019 - mdpi.com
Hastelloy X (HX) is a Ni-based superalloy which is employed to produce gas turbine and
gas-cooled reactor sectors due to its outstanding oxidation resistance and high tensile …

Microstructure control of Hastelloy X by geometry-induced elevation of sample temperature during a laser powder bed fusion process

M Kusano, M Watanabe - Materials & Design, 2022 - Elsevier
In this study, the solidification behaviors of Hastelloy X during laser powder bed fusion
(LPBF) were deliberately changed by fabricating a sample with constricted geometry. In-situ …

Microstructure, mechanical behaviour and strengthening mechanisms in Hastelloy X manufactured by electron beam and laser beam powder bed fusion

AS Karapuzha, D Fraser, D Schliephake… - Journal of Alloys and …, 2021 - Elsevier
Understanding the microstructure and mechanical properties associated with different metal
additive manufacturing techniques is crucial for its wide-scale acceptance in industries. In …

Laser powder bed fusion of Ni-based Hastelloy X superalloy: Microstructure, anisotropic mechanical properties and strengthening mechanisms

Y Yin, J Zhang, J Gao, Z Zhang, Q Han, Z Zan - Materials Science and …, 2021 - Elsevier
Abstract Ni-based Hastelloy X (HX) superalloy is comprehensively employed in the
aerospace industry because of its excellent oxidation resistance and high-temperature …

Static recrystallization impact on grain structure and mechanical properties of heat-treated Hastelloy X produced via laser powder-bed fusion

A Keshavarzkermani, R Esmaeilizadeh… - Materials …, 2021 - Elsevier
Anisotropic behavior can be undesirable from a design point of view and may limit the
widespread industrial use of the laser powder-bed fusion (LPBF) process in the future. In this …