Directed energy deposition of metals: processing, microstructures, and mechanical properties

SH Li, P Kumar, S Chandra… - International Materials …, 2023 - journals.sagepub.com
Amongst the many additive manufacturing (AM) techniques, directed energy deposition
(DED) is a prominent one, which can also be used for the repair of damaged components. In …

Solidification in metal additive manufacturing: challenges, solutions, and opportunities

S Chandra, J Radhakrishnan, S Huang, S Wei… - Progress in Materials …, 2024 - Elsevier
The physics of alloy solidification during additive manufacturing (AM) in methods such as
laser powder bed fusion (LPBF), electron beam powder bed fusion (EPBF), and laser …

Microstructure-property correlations in as-built and heat-treated compositionally graded stainless steel 316L-Inconel 718 alloy fabricated by laser powder bed fusion

Y Wen, J Gao, RL Narayan, P Wang, L Zhang… - Materials Science and …, 2023 - Elsevier
The microstructures and the mechanical properties of a laser powder bed fusion
manufactured compositionally graded alloy of the austenitic stainless steel 316L and Inconel …

[HTML][HTML] On the laser additive manufacturing of high-entropy alloys: a critical assessment of in-situ monitoring techniques and their suitability

MA Mahmood, FG Alabtah, Y Al-Hamidi, M Khraisheh - Materials & Design, 2023 - Elsevier
High-entropy alloys (HEAs) have gained increasing attention from the industrial and
scientific communities due to their extraordinary thermo-physical properties. Introducing the …

Mesoscopic chemical heterogeneities in laser powder bed fused CoCrMo and Ni mixed powders and their effect on the mechanical properties

S Wei, Y Zhao, B Zhang, P Wang… - Materials Science and …, 2023 - Elsevier
Microstructural heterogeneity is a feature of common occurrence in alloys additively
manufactured using techniques such as laser powder bed fusion (LPBF). Additionally …

Effect of short-range ordering and grain boundary segregation on shear deformation of CoCrFeNi high-entropy alloys with Al addition

R Babicheva, A Jarlöv, H Zheng, S Dmitriev… - Computational Materials …, 2022 - Elsevier
A method combining molecular dynamics (MD) and Monte Carlo (MC) simulation is used to
analyze the short-range ordering and grain boundary (GB) segregation in the bi-crystals of …

Heat treatment effects on the metastable microstructure, mechanical property and corrosion behavior of Al-added CoCrFeMnNi alloys fabricated by laser powder bed …

D Kong, L Wang, G Zhu, Y Zhou, X Ni, J Song… - Journal of Materials …, 2023 - Elsevier
With the development of aerospace and transportation, high-strength structural materials
manufactured by additive manufacturing techniques get more attention, which allows the …

Laser powder bed fusion of a Cu-Ni-Al alloy using the compositional grading approach

S Wei, Y Zhao, SH Li, S Chen, KB Lau, V Soh, JJ Lee… - Scripta Materialia, 2023 - Elsevier
Using a modified laser powder bed fusion (LPBF) technique, a compositionally graded Cu-
Ni alloy was fabricated. Through microstructural and mechanical characterization on the …

Effect of Aluminum Addition on the Microstructure, Magnetic, and Mechanical Properties of FeCrCoNiMn High-Entropy Alloy

S Alleg, A Bekhouche, H Hachache, JJ Sunol - Crystals, 2023 - mdpi.com
High-entropy FeCoCrNiMn (C1) and FeCoCrNiMn10Al10 (C2) alloys (HEAs) were
mechanically alloyed for 24 h and heated to 900° C (C1_900° C and C2_900° C). The …

[HTML][HTML] Effect of dual phase structure induced by chemical segregation on hot tearing reduction in additive manufacturing

C Guo, S Wei, Z Wu, P Wang, B Zhang, U Ramamurty… - Materials & Design, 2023 - Elsevier
It is of great significance to explore the chemical compositions, which have not been hitherto
examined for their suitability for additive manufacturing (AM), so as to broaden AM's material …