Grain refinement and crack inhibition of selective laser melted AA2024 aluminum alloy via inoculation with TiC–TiH2

X Liu, Y Liu, Z Zhou, K Wang, Q Zhan, X **ao - Materials Science and …, 2021 - Elsevier
AA2024 aluminum alloy easily forms coarse columnar grains and cracks during selective
laser melting (SLM). Herein, a novel grain refiner composed of TiC nanoparticles and TiH 2 …

Crack-free and high-strength AA2024 alloy obtained by additive manufacturing with controlled columnar-equiaxed-transition

X Zhu, Z Zhu, T Liu, W Liao, Y Du, H Wei - Journal of Materials Science & …, 2023 - Elsevier
Laser powder bed fusion (LPBF) of high-strength Al alloys is challenging due to the
formation of both hot and cold cracks. In the present work, highly dense and crack-free …

The role of in-situ nano-TiB2 particles in improving the printability of noncastable 2024Al alloy

T Sun, H Wang, Z Gao, Y Wu, M Wang… - Materials Research …, 2022 - Taylor & Francis
In-situ pre-decorated different content of TiB2 particle reinforced 2024 Al matrix composites
(x TiB2/2024Al composite, x= 0, 1, 2, 4, 6, 8 wt.%) were printed by laser powder bed fusion …

Influence of annealing on mechanical properties of Al-20Si processed by selective laser melting

P Ma, KG Prashanth, S Scudino, Y Jia, H Wang, C Zou… - Metals, 2014 - mdpi.com
The microstructure and mechanical properties of Al-20Si produced by selective laser melting
(SLM) are investigated for different heat treatment conditions. As a result of the high cooling …

Effect of Cu content on central-segregation composition and mechanical properties of Al–Mg–Si alloys produced by twin-roll casting

X Wu, ZP Guan, ZZ Yang, X Wang, F Qiu… - Materials Science and …, 2023 - Elsevier
Dissolving the inherent central segregation is critical to improve the performance of twin-roll
casting (TRC) aluminum strips. In this study, we investigated the effects of Cu content (0.8 …

Enhanced printability and strength of unweldable AA2024-based nanocomposites fabricated by laser powder bed fusion via nano-TiC-induced grain refinement

X Liu, Y Liu, Z Zhou, W Luo, Z Zeng - Materials Science and Engineering: A, 2022 - Elsevier
The formation of undesirable coarse columnar grains and periodic hot cracks has been a
long-standing issue in the additive manufacturing (AM) of unweldable high-strength …

Effect of ageing on precipitation kinetics, tensile and work hardening behavior of Al-Cu-Mg (2024) alloy

ND Alexopoulos, Z Velonaki, CI Stergiou… - Materials Science and …, 2017 - Elsevier
The effect of artificial ageing conditions on precipitation kinetics, tensile and work hardening
mechanical behavior of aluminum alloy 2024 was investigated. Tensile specimens were …

Simultaneously enhanced strength and ductility of 6xxx Al alloys via manipulating meso-scale and nano-scale structures guided with phase equilibrium

Q Lu, K Li, H Chen, M Yang, X Lan, T Yang… - Journal of Materials …, 2020 - Elsevier
Excellent comprehensive mechanical properties including good formability, high strength
and high ductility are prior demands for Al-Mg-Si-Cu alloys. This study utilizes calculation of …

Effect of initial microstructure on the hot compression deformation behavior of a 2219 aluminum alloy

J Zhang, B Chen, Z Baoxiang - Materials & Design, 2012 - Elsevier
This paper examines the effect of initial microstructure on the deformation behavior of a
2219 aluminum alloy. Based on the manufacturing practice of the alloy, three different initial …

Influence of new AA 2xxx layers on the strength and damage responses of fibre metal laminates during soft body impact

SK Mol, A Sadiq - Composite Structures, 2024 - Elsevier
This study focuses on analysing the effect of new AA 2xxx layers on the strength and
damage response of Fibre Metal Laminates (FMLs) during bird strikes. New aluminium alloy …