Improvement of gradient microstructure and properties of wire-arc directed energy deposition titanium alloy via laser shock peening

G Qu, W Guo, J Shi, D He, Y Zhang, Y Dong… - Materials Science and …, 2024 - Elsevier
Wire-arc directed energy deposition (WADED) technology has been widely used in the
remanufacturing of titanium alloy structural components benefited from with the advantages …

Effect of beam energy density characteristics on microstructure and mechanical properties of Nickel-based alloys manufactured by laser directed energy deposition

Y Zhao, W Sun, Q Wang, Y Sun, J Chen, C Du… - Journal of Materials …, 2023 - Elsevier
The energy density distribution directly affects the molten-pool temperature gradient, cooling
and solidification rate of additive manufacturing (AM), which in turn affects the mechanical …

New deformation mechanism and strength-ductility synergy in pure titanium with high density twin

S Wang, Z Hu, Z Huang, B Gao, X Chen, J Hu… - International Journal of …, 2024 - Elsevier
The simultaneous optimization of strength and ductility in high-performance metallic
materials has long been a challenge for researchers, characterized by an inherent trade-off …

Review of the hydrogen embrittlement and interactions between hydrogen and microstructural interfaces in metallic alloys: Grain boundary, twin boundary, and nano …

X Li, J Zhang, Y Cui, MB Djukic, H Feng… - International Journal of …, 2024 - Elsevier
Due to its characteristic of low stress brittle fracture, hydrogen embrittlement (HE) is a great
challenge for the alloys exposed to hydrogen-containing environments, threatening the …

Microstructural characteristics and mechanical properties of Al-Cu alloys fabricated via 8-shaped oscillating laser wire additive manufacturing

Y Mao, H Chen, J **ong - Materials Science and Engineering: A, 2024 - Elsevier
Al–Cu alloy components fabricated by laser wire additive manufacturing (LWAM) generally
present coarse columnar grains and poor mechanical properties. This study proposes a new …

In-situ microalloying of Al-Cu-Sc alloy manufactured by beam oscillating wire laser directed energy deposition: Grain refinement and properties improvement

Y Mao, H Chen, J **ong - Additive Manufacturing, 2024 - Elsevier
Al-Cu alloys manufactured by wire laser directed energy deposition (WLDED) usually exist
coarse columnar grains. The novelty of this study is adding Sc to Al-Cu alloy of beam …

Analytical modelling of scanning strategy effect on temperature field and melt track dimensions in laser powder bed fusion

PR Zagade, BP Gautham, A De, T DebRoy - Additive Manufacturing, 2024 - Elsevier
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 …

Parameter optimization and anisotropy mechanism in different build directions of the microstructures and mechanical properties for laser directed energy deposited …

Z Wang, G Lu, H Bian, H Lu, K Luo, J Lu - Materials Science and …, 2024 - Elsevier
The effects of laser power, scanning speed, and build directions (BDs) on the microstructural
evolution and mechanical properties of laser directed energy deposited (LDEDed) Ti6Al4V …

[HTML][HTML] Modulation of melt pool behaviour using novel laser beam oscillation methods

T Girerd, A Gameros, M Simonelli, A Norton… - Journal of Materials …, 2024 - Elsevier
Laser-based spatial manipulation for welding, surface modification, and additive
manufacturing presents challenges centred around controlling the thermal field's impact on …

Microstructure evolution and mechanical properties of ultrafine-grained AlLi alloy fabricated via friction stir additive manufacturing

T Jiang, M Zhang, G Dai, Z Shen, Y Guo, Z Sun… - Materials …, 2024 - Elsevier
High-strength laminated blocks of 2060 Alsingle bondLi alloy were fabricated by friction stir
additive manufacturing (FSAM) in this study, and a comprehensive analysis of their …