journal article·2026-01

Spatiotemporal evolution of defects in an additively manufactured alloy monitored through in-situ X-ray computed tomography

Xin Xu, Yan Chen, Boyuan Gou, Turab Lookman, Upadrasta Ramamurty, Jun Sun, Xiangdong Ding

Acta Materialia· Volume 304
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Abstract

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OpenAlex topics: Additive Manufacturing Materials and Processes · Cellular and Composite Structures · Welding Techniques and Residual Stresses

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References (54)

Show source-provided references
1. Material-structure-performance integrated laser-metal additive manufacturing10.1126/science.abg1487 ↗
2. 3D printing of high-strength aluminium alloys10.1038/nature23894 ↗
3. Multiaxial fatigue of additively manufactured metallic components: a review of the failure mechanisms and fatigue life prediction methodologies10.1016/j.pmatsci.2023.101126 ↗
4. Effects of build orientation and inclined features on physical, microstructural and mechanical properties of powder bed fusion additively manufactured metallic parts
5. Solidification in metal additive manufacturing: challenges, solutions, and opportunities
6. Grain morphologies in additively manufactured alloys: from solidification fundamentals to advanced microstructure control10.1016/j.jmst.2025.02.033 ↗
7. Control of grain structure, phases, and defects in additive manufacturing of high-performance metallic components10.1016/j.pmatsci.2023.101153 ↗
8. Fracture and fatigue in additively manufactured metals10.1016/j.actamat.2021.117240 ↗
9. Damage tolerant design of additively manufactured metallic components subjected to cyclic loading: state of the art and challenges10.1016/j.pmatsci.2021.100786 ↗
10. Universal scaling laws of keyhole stability and porosity in 3D printing of metals10.1038/s41467-021-22704-0 ↗
11. Machine learning–aided real-time detection of keyhole pore generation in laser powder bed fusion10.1126/science.add4667 ↗
12. Hot isostatic pressing in metal additive manufacturing: X-ray tomography reveals details of pore closure
13. Exploiting lack of fusion defects for microstructural engineering in additive manufacturing
14. Grain boundary engineering during the laser powder bed fusion of TiC/316L stainless steel composites: new mechanism for forming TiC-induced special grain boundaries10.1016/j.actamat.2021.117605 ↗
15. Microstructural evolution and strengthening mechanism of Mg-Y-RE-Zr alloy fabricated by quasi-directed energy deposition
16. Uncovering microstructural heterogeneities in binder jet printed SS316L through ultrasonic testing and X-ray computed tomography10.1016/j.matchar.2023.112697 ↗
17. Three-dimensional visualization and quantification of microporosity in aluminum castings by X-ray micro-computed tomography10.1016/j.jmst.2020.03.088 ↗
18. In-situ synchrotron X-ray tomography investigation of damage mechanism of an extruded magnesium alloy in uniaxial low-cycle fatigue with ratchetting10.1016/j.actamat.2021.116881 ↗
19. Deformation dynamics of a neutron-irradiated aluminum alloy: an in-situ synchrotron tomography study10.1016/j.actamat.2022.118493 ↗
20. Detectability by X-ray micro computed tomography of fatigue initiating void defects in laser powder-bed additively manufactured Ti-6Al-4V coupons
21. Collaborative ductile rupture mechanisms of high-purity copper identified by in-situ X-ray computed tomography10.1016/j.actamat.2019.10.005 ↗
22. In-situ X-ray computed tomography tensile tests and analysis of damage mechanism and mechanical properties in laser powder bed fused Invar 36 alloy10.1016/j.jmst.2023.08.014 ↗
23. A rationale for the influence of grain size on failure of magnesium alloy AZ31: an in situ X-ray microtomography study10.1016/j.actamat.2020.09.016 ↗
24. Predicting failure progressions of structural materials via deep learning based on void topology10.1016/j.actamat.2023.118862 ↗
25. Validation of void growth models using X-ray microtomography characterization of damage in dual phase steels10.1016/j.actamat.2011.08.046 ↗
26. 4D imaging of void nucleation, growth, and coalescence from large and small inclusions in steel under tensile deformation10.1016/j.jmst.2022.01.024 ↗
27. Micromechanical modelling of edge failure in 800 MPa advanced high strength steels10.1016/j.jmps.2019.103855 ↗
28. Direct measurement procedure for three-dimensional local crack driving force using synchrotron X-ray microtomography10.1016/j.actamat.2008.08.022 ↗
29. The true origin of ductile fracture in aluminum alloys10.1007/s11661-013-2013-3 ↗
30. Rotating bending fatigue mechanisms of L-PBF manufactured Ti-6Al-4V alloys using in situ X-ray tomography10.1016/j.ijfatigue.2023.107876 ↗
31. Critical damage events of 3D printed AlSi10Mg alloy via in situ synchrotron X-ray tomography10.1016/j.actamat.2024.120464 ↗
32. A void descriptor function to uniquely characterize pore networks and predict ductile-metal failure properties10.1007/s10704-020-00463-1 ↗
33. Evaluation of a modified void descriptor function to uniquely characterize pore networks and predict fracture-related properties in additively manufactured metals10.1016/j.actamat.2021.117464 ↗
34. Heterogeneous void growth revealed by in-situ 3D X-ray microtomography using automatic cavity tracking10.1016/j.actamat.2013.10.014 ↗
35. Multi-modal visual tracking: review and experimental comparison10.1007/s41095-023-0345-5 ↗
36. Pedestrian detection and tracking in video surveillance system: issues, comprehensive review, and challenges
37. 4D characterisation of void nucleation, void growth and void coalescence using advanced void tracking algorithm on in-situ X-ray tomographic data
38. U-net: convolutional networks for biomedical image segmentation
39. Performance analysis of image thresholding: Otsu technique10.1016/j.measurement.2017.09.052 ↗
40. A density-based algorithm for discovering clusters in large spatial databases with noise
41. 3D is here: point cloud library (PCL)
42. Multibranches of acoustic emission as identifier for deformation mechanisms in additively manufactured 316L stainless steel
43. A technique for in-situ displacement and strain measurement with laboratory-scale X-ray computed tomography10.1007/s40799-024-00715-y ↗
44. Application of the dice coefficient to accuracy assessment of object-based image classification10.1080/07038992.2017.1259557 ↗
45. A method for registration of 3D shapes10.1109/34.121791 ↗
46. A benchmark for comparison of cell tracking algorithms10.1093/bioinformatics/btu080 ↗
47. Detecting deformation mechanisms of metals from acoustic emission signals through knowledge-driven unsupervised learning10.1038/s41467-025-61707-z ↗
48. Volume, shape, and roundness of rock particles10.1086/623964 ↗
49. Kramer · 2016 · 45
50. Revealing per-grain and neighbourhood stress interactions of a deforming ferritic steel via three-dimensional X-ray diffraction10.1038/s43246-024-00466-8 ↗
51. Intra-grain orientation distributions in deformed aluminium: synchrotron X-ray diffraction experiment and crystal-plasticity finite-element simulation10.1016/j.actamat.2023.119419 ↗
52. 4D X-ray tomography characterization of void nucleation and growth during deformation of strontium-added AZ31 alloys10.1016/j.msea.2020.140081 ↗
53. Microscopic interface deterioration mechanism and damage behavior of high-toughness recycled aggregate concrete based on 4D in-situ CT experiments10.1016/j.cemconcomp.2024.105720 ↗
54. Unveiling the growth and morphological transition mechanisms of Al2Cu intermetallic compounds quantified by synchrotron X-ray tomography10.1016/j.jmst.2024.04.072 ↗