journal article·2026-02

Oxygen scavenging-driven plastic response of α2-Ti3Al in dual-phase TiAl alloy

Yanjun Liu, Yu Pan, Ranpeng Lu, Aihua Yu, Shuya Zhao, Jianzhuo Sun, Xin Lu

Acta Materialia· Volume 305
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OpenAlex topics: Intermetallics and Advanced Alloy Properties · MXene and MAX Phase Materials · Solidification and crystal growth phenomena

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References (66)

Show source-provided references
1. Lattice and phase strain evolution during tensile loading of an intermetallic, multi-phase γ-TiAl based alloy10.1016/j.actamat.2018.07.062 ↗
2. Modeling concepts for intermetallic titanium aluminides10.1016/j.pmatsci.2016.01.001 ↗
3. Advances in gammalloy materials-processes-application technology: successes, dilemmas, and future10.1007/s11837-018-2747-x ↗
4. TiAl alloys in commercial aircraft engines10.1080/09603409.2016.1183068 ↗
5. Polysynthetic twinned TiAl single crystals for high-temperature applications10.1038/nmat4677 ↗
6. Microstructure and tensile properties of Ti-48Al-2Cr-2Nb rods additively manufactured by selective electron beam melting10.1007/s11837-017-2583-4 ↗
7. New insights into high-temperature deformation and phase transformation mechanisms of lamellar structures in high Nb-containing TiAl alloys10.1016/j.actamat.2020.01.021 ↗
8. A newly developed hot worked TiAl alloy for blades and structural components10.1016/S1359-6462(02)00158-6 ↗
9. Exceptional strength and ductility in heterogeneous multi-gradient TiAl alloys through additive manufacturing10.1016/j.actamat.2024.120395 ↗
10. Evading the strength-ductility trade-off at room temperature and achieving ultrahigh plasticity at 800 °C in a TiAl alloy10.1016/j.actamat.2021.117585 ↗
11. Enhanced mechanical properties of Ti-46Al-5Nb-0.1C alloy via oxygen scavenging and tailored network-reinforced structure10.1016/j.jallcom.2025.183521 ↗
12. Dislocation mobility, ductility and anomalous strengthening of two-phase TiAl alloys: effects of oxygen and composition10.1016/0966-9795(95)00060-7 ↗
13. Influence of oxygen on microstructure and mechanical properties of directionally solidified Ti-47Al-2Cr-2Nb alloy10.1016/j.matdes.2012.04.050 ↗
14. Fundamental understanding of the dissolution of oxide film on Ti powder and the unique scavenging feature by LaB610.1007/s11661-017-4366-5 ↗
15. Interstitial elements in titanium powder metallurgy: sources and control10.1179/174329011X13045076771759 ↗
16. Powder metallurgy strategies to improve properties and processing of titanium alloys: a review
17. Particle size optimization for enhancing densification and mechanical properties of powder metallurgy titanium
18. First-principles investigation on shear deformation of a TiAl/Ti3Al interface and effects of oxygen10.1016/j.intermet.2011.10.016 ↗
19. The plastic deformation of TiAl10.1007/BF02646623 ↗
20. The deformation and fracture of TiAl at elevated temperatures10.1007/BF03161822 ↗
21. In situ straining investigation of slip transfer across α2 lamellae at room temperature in a lamellar TiAl alloy10.1080/09500830500497066 ↗
22. The deformation and fracture of Ti3Al at elevated10.1007/BF02653491 ↗
23. c-axis tensile deformation of Ti3Al with the D019 structure at room temperature10.1016/S1359-6454(99)00209-8 ↗
24. Deformation-induced internal stresses in multiphase titanium aluminide alloys10.1016/j.actamat.2013.10.024 ↗
25. In situ synchrotron radiation to understand the pathways for the scavenging of oxygen in commercially pure Ti and Ti-6Al-4V by yttrium hydride10.1016/j.scriptamat.2012.09.024 ↗
26. Impurity scavenging, microstructural refinement and mechanical properties of powder metallurgy titanium and titanium alloys by a small addition of cerium silicide10.1016/j.msea.2013.02.042 ↗
27. Influence of oxygen on solidification behaviour of cast TiAl-based alloys10.1016/j.intermet.2007.04.002 ↗
28. Preparation of low-oxygen-containing Ti-48Al-2Cr-2Nb alloy powder by direct reduction of oxides10.1016/S1003-6326(22)65858-8 ↗
29. Atom-probe investigation of the partitioning of interstitial elements in two-phase γ+α₂ TiAl-based alloys10.1016/0956-716X(93)90022-K ↗
30. First-principle study of the solubility and diffusion of oxygen and boron in γ-TiAl10.1016/j.commatsci.2019.109475 ↗
31. Neutron diffraction study of oxygen dissolution in α2-Ti3Al10.1016/j.intermet.2005.04.011 ↗
32. Interstitial solubility in γ and α2 phases of TiAl-based alloys10.1016/S1359-6454(96)00111-5 ↗
33. Effect of oxygen content on active deformation systems in pure titanium polycrystals10.1016/j.msea.2018.06.083 ↗
34. Strong-yet-ductile Ti-Zr alloys through high concentration of oxygen strengthening10.1016/S1003-6326(20)65391-2 ↗
35. The effect of molten salt on oxygen removal from titanium and its alloys using calcium10.1007/s10853-016-0674-1 ↗
36. Preparation method of Ti powder with oxygen concentration of <1000 ppm using Ca10.1179/1743290112Y.0000000013 ↗
37. Surface and internal deoxidation behavior of titanium alloy powder deoxidized by Ca vapor: comparison of the deoxidation capability of solid solution and intermetallic titanium alloys10.1016/j.apsusc.2020.147623 ↗
38. Martensitic transformation induced planar deformation of AlN nanoprecipitates in high nitrogen stainless steels10.1016/j.ijplas.2023.103631 ↗
39. Enhanced high temperature oxidation resistance for γ-TiAl alloy with electrodeposited SiO2 film10.1016/j.corsci.2018.05.025 ↗
40. Oshida · 2007
41. Research on the deoxidation process of titanium alloy powders with calcium hydride10.1016/j.jallcom.2025.178671 ↗
42. Effect of nano Y2O3 addition on microstructure and room temperature tensile properties of Ti-48Al-2Cr-2Nb alloy10.1016/j.vacuum.2019.06.026 ↗
43. Fabrication of TiAl alloys turbocharger turbine wheel for engines by metal injection molding10.1016/j.powtec.2021.01.070 ↗
44. Carbides of formula T2MC10.1016/0022-5088(64)90055-4 ↗
45. Powder recycling for electron beam powder bed fusion of TiAl alloy
46. Microstructure and mechanical properties of additive-manufactured TiAl alloy reinforced with borides via heat treatment10.1016/j.msea.2025.149027 ↗
47. Metal injection moulding of gamma titanium aluminide alloy powder10.1016/j.msea.2006.02.002 ↗
48. Microstructural effects on tensile properties of cast TiAl-Fe-V-B alloy10.1016/S0921-5093(97)00635-7 ↗
49. Effect of superheating on the structure and mechanical properties of Ti-46Al-8Nb alloy induction-melted in the fused BaZrO3 crucible10.1016/j.intermet.2025.108957 ↗
50. The influence of oxygen concentration and phase composition on the manufacturability and high-temperature strength of Ti-42Al-5Mn (at%) forged alloy10.1016/j.jmatprotec.2012.12.003 ↗
51. The effect of high temperature exposure on the tensile properties of γ TiAl alloys10.1016/S0966-9795(03)00116-X ↗
52. Metallurgical defects and tensile properties of a high Nb-TiAl alloy fabricated by hot isostatic pressing of prealloyed powder10.1002/adem.202501623 ↗
53. Effect of thermo-hydrogen-treatment on the surface oxide film and the compaction temperature of Ti-47Al-2Cr-2Nb pre-alloyed powders during hot-isostatic-pressing10.1016/j.ijhydene.2019.01.242 ↗
54. The impact of oxygen content on low-temperature mechanical properties and deformation mechanism of powder metallurgy Ti-6Al-4V10.1016/j.jmrt.2025.04.285 ↗
55. XPS study of the initial stages of oxidation of α2-Ti3Al and γ-TiAl intermetallic alloys10.1016/j.actamat.2007.01.030 ↗
56. Twinning-induced dislocation and coordinated deformation behavior of a high-Nb TiAl alloy during high-cycle fatigue10.1016/j.ijfatigue.2023.107597 ↗
57. Local element segregation-induced cellular structures and dominant dislocation planar slip enable exceptional strength-ductility synergy in an additively-manufactured CoNiV multicomponent alloy with ageing treatment10.1016/j.ijplas.2024.104112 ↗
58. Dislocation multiplication by cross-slip and glissile reaction in a dislocation based continuum formulation of crystal plasticity10.1016/j.jmps.2019.103695 ↗
59. The role of lattice constant in strength-ductility synergy of TiVNbMoCr high-entropy alloys10.1016/j.matchar.2025.115769 ↗
60. Borrowed dislocations for ductility in ceramics10.1126/science.adp0559 ↗
61. Influence of nano-Y2O3 addition on microstructure and tensile properties of high-Al TiAl alloys10.1016/j.msea.2020.139803 ↗
62. Simultaneously enhanced tensile strength and ductility of nano-Y2O3-reinforced TiAl alloy prepared by directed energy deposition10.1016/j.matchar.2023.113472 ↗
63. Achieving synergy of strength and ductility in powder metallurgy commercially pure titanium by a unique oxygen scavenger10.1016/j.actamat.2023.119485 ↗
64. Mechanistic modeling of deformation and fracture behavior in TiAl and Ti3Al10.1016/0921-5093(94)03206-8 ↗
65. Deformation twinning10.1016/0079-6425(94)00007-7 ↗
66. Deformation twinning in TiAl: effects of defect clustering10.1007/BF03026128 ↗