journal article·2026-01

Empirical fatigue life model based on micro-CT defect severity indicator for laser powder-bed additively manufactured Ti-6Al-4V

Stephen Sun, Yi Rye Choi, Dina Bayoumy, Jonathan D Miller, Qianchu Liu

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OpenAlex topics: Additive Manufacturing Materials and Processes · Additive Manufacturing and 3D Printing Technologies · Manufacturing Process and Optimization

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References (44)

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1. Influence of defects, surface roughness and HIP on the fatigue strength of Ti-6Al-4V manufactured by additive manufacturing10.1016/j.ijfatigue.2018.07.020 ↗
2. Factors affecting the fatigue strength of additively manufactured Ti-6Al-4V parts10.1007/s40194-023-01604-5 ↗
3. Fatigue life of additively manufactured Ti–6Al–4V in the very high cycle fatigue regime10.1016/j.ijfatigue.2016.05.018 ↗
4. Fatigue of additive manufactured Ti-6Al-4V, Part II: the relationship between microstructure, material cyclic properties, and component performance10.1016/j.ijfatigue.2019.105363 ↗
5. Fatigue of additive manufactured Ti-6Al-4V, Part I: the effects of powder feedstock, manufacturing, and post-process conditions on the resulting microstructure and defects10.1016/j.ijfatigue.2019.105358 ↗
6. The effects of surface finish on the fatigue performance of electron beam melted Ti–6Al–4V10.1016/j.msea.2022.144050 ↗
7. Analysis of the effect of surface roughness on fatigue performance of powder bed fusion additive manufactured metals10.1016/j.tafmec.2020.102638 ↗
8. Correlation between porosity and processing parameters in TiAl6V4 produced by selective laser melting10.1016/j.matdes.2016.05.070 ↗
9. Fatigue properties of a titanium alloy (Ti–6Al–4V) fabricated via electron beam melting (EBM): Effects of internal defects and residual stress10.1016/j.ijfatigue.2016.04.022 ↗
10. High fatigue resistance in a titanium alloy via near-void-free 3D printing10.1038/s41586-024-07048-1 ↗
11. Defect characteristics and analysis of their variability in metal L-PBF additive manufacturing10.1016/j.matdes.2019.108091 ↗
12. Additive manufacturing of fatigue resistant materials: challenges and opportunities10.1016/j.ijfatigue.2017.01.001 ↗
13. Additively manufactured Ti-5Al-5V-5Mo-3Cr: Understanding defect-fatigue relationships10.1016/j.ijfatigue.2024.108426 ↗
14. Defect-based probabilistic fatigue life estimation model for an additively manufactured aluminum alloy10.1016/j.msea.2020.140082 ↗
15. Fatigue behaviour of additively manufactured Ti-6Al-4V alloy: the role of defects on scatter and statistical size effect10.1016/j.ijfatigue.2020.105811 ↗
16. Towards predicting differences in fatigue performance of laser powder bed fused Ti-6Al-4V coupons from the same build10.1016/j.ijfatigue.2019.05.004 ↗
17. Fatigue from defect: Influence of size, Type, Position
18. Material defects as the basis of fatigue design10.1016/j.ijfatigue.2011.12.001 ↗
19. On study of process induced defects-based fatigue performance of additively manufactured Ti6Al4V alloy
20. A new approach to correlate the defect population with the fatigue life of selective laser melted Ti-6Al-4V alloy10.1016/j.ijfatigue.2020.105584 ↗
21. A comparison of fatigue strength sensitivity to defects for materials manufactured by AM or traditional processes10.1016/j.ijfatigue.2016.06.020 ↗
22. Qualification of AM parts: Extreme value statistics applied to tomographic measurements10.1016/j.matdes.2017.05.091 ↗
23. More than 25years of extreme value statistics for defects: Fundamentals, historical developments, recent applications10.1016/j.ijfatigue.2021.106407 ↗
24. Fatigue prediction through quantification of critical defects and crack growth behaviour in additively manufactured Ti-6Al-4V alloy10.1016/j.msea.2024.146658 ↗
25. Benchmark of a probabilistic fatigue software based on machined and as-built components manufactured in AlSi10Mg by L-PBF10.1016/j.ijfatigue.2022.107171 ↗
26. Critical damage events of 3D printed AlSi10Mg alloy via in situ synchrotron X-ray tomography10.1016/j.actamat.2024.120464 ↗
27. Defect features critical to the fatigue of additively manufactured Ti-6Al-4V10.1016/j.tafmec.2025.104981 ↗
28. Essential structure of S-N curve: Prediction of fatigue life and fatigue limit of defective materials and nature of scatter10.1016/j.ijfatigue.2020.106138 ↗
29. Study of the effect of defects on fatigue life prediction of additive manufactured Ti-6Al-4V by combined use of micro-computed tomography and fracture-mechanics-based simulation10.1016/j.ijfatigue.2023.108110 ↗
30. Detectability by X-ray micro computed tomography of fatigue initiating void defects in laser powder-bed additively manufactured Ti-6Al-4V coupons
31. Standardized X-ray tomography testing of additively manufactured parts: a round robin test
32. X-Ray Microcomputed Tomography in Additive Manufacturing: a Review of the Current Technology and applications10.1089/3dp.2018.0060 ↗
33. ASTM F3301-18a: Standard of Additive manufacturing - Post processing methods - Stardard specification for thermal post processing metal parts made via powder bed fusion. 2018. ASTM International. West Conshohocken, PA. doi: 10.1520/F3301-18A.10.1520/F3301-18A ↗
34. ASTM E466-15: Standard practice for conducting force controlled constant amplitude axial fatigue tests of metallic materials. 2015. ASTM International. West Conshohocken, PA. doi: 10.1520/E0466-15.10.1520/E0466-15 ↗
35. The potency of defects on fatigue of additively manufactured metals10.1016/j.ijmecsci.2022.107185 ↗
36. Van Rossum · 2009
37. Methods for Rapid Pore Classification in Metal Additive Manufacturing10.1007/s11837-019-03761-9 ↗
38. Types of spatter and their features and formation mechanisms in laser powder bed fusion additive manufacturing process
39. Defects caused by powder spattering and entrainment in laser powder bed fusion process: High-fidelity modeling of gas, melt pool and powder dynamics10.1016/j.actamat.2025.120816 ↗
40. Controlling process instability for defect lean metal additive manufacturing10.1038/s41467-022-28649-2 ↗
41. Oxidation in reused powder bed fusion additive manufacturing Ti-6Al-4V Feedstock: a brief review10.1007/s11837-021-04872-y ↗
42. Comparison of medical and industrial X-ray computed tomography for non-destructive testing
43. Effects of gas-pore sizes and locations on fatigue failure: a peridynamic study10.1016/j.tafmec.2024.104492 ↗
44. Assessment of the effect of isolated porosity defects on the fatigue performance of additive manufactured titanium alloy