journal article·2025-07

A discrete element model for analyzing porosity defect evolution in multi-layer laser powder bed fusion of 2195 Al-Li alloy

Ling Dai, Junling Wu, Li Li, Xiankai Meng, Hongmei Zhang, Pengfei Li, Shu Huang, Jianzhong Zhou

Publisher page

Abstract

No abstract is available for this record. The assistant can identify its topic from the title, but cannot infer the study’s results.

Source: Not provided · Quality: missing

Research context

OpenAlex topics: Additive Manufacturing Materials and Processes · Additive Manufacturing and 3D Printing Technologies · Welding Techniques and Residual Stresses

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

References (33)

Show source-provided references
1. Development and application prospects of aluminum-lithium alloys in aircraft and space technology10.1007/s11015-021-01134-9 ↗
2. Effect of the aging process and pre-deformation on the precipitated phase and mechanical properties of 2195 Al-Li alloy10.1016/j.msea.2021.142394 ↗
3. A review of manufacturing processes, mechanical properties and precipitations for aluminum lithium alloys used in aeronautic applications10.1016/j.heliyon.2022.e12565 ↗
4. A review on forming techniques for manufacturing lightweight complex—shaped aluminium panel components
5. Layer-wise engineering of grain orientation (LEGO) in laser powder bed fusion of stainless steel 316L
6. Selective laser melting of a beta-solidifying TNM-B1 titanium aluminide alloy10.1016/j.jmatprotec.2014.04.002 ↗
7. Quantification and prediction of lack-of-fusion porosity in the high porosity regime during laser powder bed fusion of Ti-6Al-4V10.1016/j.jmatprotec.2021.117426 ↗
8. An investigation of ductile fracture behavior of Ti6Al4V alloy fabricated by selective laser melting10.1016/j.jallcom.2021.161926 ↗
9. Types of spatter and their features and formation mechanisms in laser powder bed fusion additive manufacturing process
10. Ductile fracture prediction of additive manufactured Ti6Al4V alloy based on an extended GTN damage model10.1016/j.engfracmech.2021.107989 ↗
11. A novel method for the molten pool and porosity formation modelling in selective laser melting10.1016/j.ijheatmasstransfer.2019.06.038 ↗
12. Numerical simulation of selective laser melting temperature conduction behavior of H13 steel in different models10.1016/j.ijleo.2019.163336 ↗
13. Phase-field modeling of grain evolutions in additive manufacturing from nucleation, growth, to coarsening10.1038/s41524-021-00524-6 ↗
14. Advances in computational modeling for laser powder bed fusion additive manufacturing: a comprehensive review of finite element techniques and strategies
15. A review on discrete element method simulation in laser powder bed fusion additive manufacturing
16. Understanding the mechanism of columnar–to-equiaxed transition and grain refinement in additively manufactured steel during laser powder bed fusion
17. On the role of melt flow into the surface structure and porosity development during selective laser melting10.1016/j.actamat.2015.06.004 ↗
18. Flow behavior of powder particles in layering process of selective laser melting: Numerical modeling and experimental verification based on discrete element method10.1016/j.ijmachtools.2017.08.004 ↗
19. Particle-based simulation of powder application in additive manufacturing10.1016/j.powtec.2015.10.035 ↗
20. Multi-physics modeling of single/multiple-track defect mechanisms in electron beam selective melting10.1016/j.actamat.2017.05.061 ↗
21. Laser powder-bed fusion additive manufacturing: Physics of complex melt flow and formation mechanisms of pores, spatter, and denudation zones10.1016/j.actamat.2016.02.014 ↗
22. Multiphysics modelling of lack-of-fusion voids formation and evolution in IN718 made by multi-track/multi-layer L-PBF10.1016/j.ijheatmasstransfer.2019.05.003 ↗
23. Effect of layer thickness on the melt pool behavior and pore defects evolution of selective laser melting CuCrZr alloy
24. Multi-physics modelling of molten pool development and track formation in multi-track, multi-layer and multi-material selective laser melting10.1016/j.ijheatmasstransfer.2020.119458 ↗
25. High-fidelity modelling of selective laser melting copper alloy: Laser reflection behavior and thermal-fluid dynamics10.1016/j.matdes.2021.109857 ↗
26. Modeling of solidification microstructure evolution in laser powder bed fusion fabricated 316L stainless steel using combined computational fluid dynamics and cellular automata
27. Formation and evolution mechanisms of pores in Inconel 718 during selective laser melting: Meso-scale modeling and experimental investigations10.1016/j.jmapro.2022.06.072 ↗
28. Marangoni driven free surface flows in liquid weld pools
29. Numerical and analytical investigation on meltpool temperature of laser-based powder bed fusion of IN71810.1016/j.ijheatmasstransfer.2021.121477 ↗
30. Comparison of melt evolution and flow mechanisms of Inconel 718, Ti6Al4V, 304 stainless steel, and AlSi10Mg manufactured by laser powder bed fusion, structures, and properties after heat treatments10.1016/j.msea.2023.144649 ↗
31. Effects of scanning strategy on the magnetic and mechanical properties of laser-based powder bed fused Nd-Fe-B magnets10.1016/j.jmrt.2025.02.163 ↗
32. Selective laser melting finite element modeling: Validation with high-speed imaging and lack of fusion defects prediction10.1016/j.matdes.2018.06.037 ↗
33. Simulation of microchannel flows using a 3D height function formulation for surface tension modelling10.1016/j.icheatmasstransfer.2017.09.017 ↗