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| Hauptseite > Publikationsdatenbank > Solution heat treatment of Ti-Nb alloys using a molten salt shield > print |
| Hauptseite > Publikationsdatenbank > Solution heat treatment of Ti-Nb alloys using a molten salt shield > print |
| 001 | 1008430 | ||
| 005 | 20240725202007.0 | ||
| 024 | 7 | _ | |a 10.1016/j.matlet.2023.134039 |2 doi |
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| 024 | 7 | _ | |a 1873-4979 |2 ISSN |
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| 037 | _ | _ | |a FZJ-2023-02338 |
| 082 | _ | _ | |a 670 |
| 100 | 1 | _ | |a Signor, Fernanda |0 0000-0001-6341-7741 |b 0 |
| 245 | _ | _ | |a Solution heat treatment of Ti-Nb alloys using a molten salt shield |
| 260 | _ | _ | |a New York, NY [u.a.] |c 2023 |b Elsevier |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a Ti-Nb alloys have attracted growing attention for biomedical implant application due its low elastic modulus. Nb is a β-stabilizer in Ti alloys and retains its high biocompatibility. Thermal treatment plays a key role for optimization of mechanical properties and microstructure of Ti-Nb alloys. However, high oxygen affinity of Ti alloys requires the use of a protective atmosphere during their processing at high temperatures. In this context, we propose the use of molten salt as novel atmosphere protection during solution heat treatment of Ti-Nb alloys avoiding elaborated encapsulation. For that, Ti-Nb parts were solution treated in molten KCl followed by water quenching. Microstructure and phase transformation were evaluated by SEM, EDS, X-ray Diffraction, Elastic Modulus and Vickers microhardness measurements. No evidence of oxidation of Ti-Nb parts was found, which suggested that molten salt was an effective measure to protect Ti alloys from oxidation. After treatment, a martensitic microstructure was achieved. A martensitic structure enables to decrease elastic modulus to ca. 35 GPa, which can avoid stress shield in the case of bone implant application. |
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| 700 | 1 | _ | |a Pereira, Jonas Felipe |0 P:(DE-HGF)0 |b 1 |
| 700 | 1 | _ | |a Faita, Fabrício Luiz |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Bram, Martin |0 P:(DE-Juel1)129591 |b 3 |u fzj |
| 700 | 1 | _ | |a Daudt, Natália de Freitas |0 P:(DE-Juel1)157632 |b 4 |e Corresponding author |
| 773 | _ | _ | |a 10.1016/j.matlet.2023.134039 |g Vol. 338, p. 134039 - |0 PERI:(DE-600)1491964-3 |p 134039 |t Materials letters |v 338 |y 2023 |x 0167-577X |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/1008430/files/20230125%20Revised%20Signor%20Daudt%20Bram.pdf |y Published on 2023-02-11. Available in OpenAccess from 2025-02-11. |
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