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- Title
Processing of Long Ti-15Mo Alloy Rods by Upscaling the Field-Assisted Sintering Technique.
- Authors
Veverková, A.; Stráský, J.; Preisler, D.; Kozlík, J.; Chráska, T.; Lukáč, F.; Casas-Luna, M.; Janeček, M.
- Abstract
The field-Assisted sintering technique (FAST), also known as spark plasma sintering, is a fast consolidation powder metallurgy technique for conductive and non-conductive materials. However, FAST is commonly used for the manufacture of small specimens. The present work presents the feasibility of sintering larger rods of a biomedical Ti-15Mo alloy using FAST. By implementing an adequate die arrangement, long rods of nearly 80 mm in length and 15 mm in diameter were sintered in less than 30 min with a densification above 95%. Power consumption to produce larger samples is compared with that for typical small-processed specimens. However, microstructural features appeared due to the pressure and temperature distributions, inherent to the technique. The results highlight the opportunities and drawbacks of using FAST for the consolidation of larger specimens, while the microstructural and mechanical performance of the as-sintered and post-processed Ti-15Mo rods are given and compared to a conventionally prepared alloy.
- Subjects
SINTERING; ALLOYS; MICROWAVE sintering; TEMPERATURE distribution; ALLOY powders
- Publication
JOM: The Journal of The Minerals, Metals & Materials Society (TMS), 2023, Vol 75, Issue 12, p5847
- ISSN
1047-4838
- Publication type
Article
- DOI
10.1007/s11837-023-06191-w