Mechanical Alloying and Hot Pressing of Ti-Zr-Si-B Powder Mixtures (2018)
- Authors:
- USP affiliated authors: NUNES, CARLOS ANGELO - EEL ; FERREIRA, LUCAS MOREIRA - EEL ; FREITAS, BRUNO XAVIER DE - EEL
- Unidade: EEL
- DOI: 10.3390/met8020082
- Subjects: ALTA TEMPERATURA; BIOMATERIAIS; MUDANÇA DE FASE
- Keywords: mechanical alloying; hot pressing; phase transformation; titanium alloy; Ti6Si2B; biomaterial; high temperature
- Agências de fomento:
- Language: Inglês
- Abstract: This work discusses microstructure evolution during ball milling and hot pressing of Ti-xZr-10Si-5B (x = 2 and 5 at. %) and Ti-xZr-20Si-10B (x = 5, 7, 10, 15 and 20 at. %) powder mixtures. Mechanical alloying was carried out in a ball mill using stainless steel balls and vials, 300 rpm and a ball-to-powder ratio of 10:1. Powders milled for 600 min were then hot-pressed (25 MPa) under vacuum at 1100 °C for 60 min. As-milled and hot-pressed samples were evaluated by X-ray diffraction (XRD), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), and energy dispersive spectrometry (EDS). Peaks of Si and Zr disappeared in powders milled for 60 and 180 min, respectively, while the lattice parameters and cell volume of α-Ti were varied during ball milling up to 300 min indicating that supersaturated solid solutions were achieved. Ti6Si2B dissolving up to 10 at. % Zr was found in microstructure of hot-pressed Ti-xZr-10Si-5B (x = 2 and 5 at. %) and Ti-xZr-20Si-10B (x = 2, 5, 7 and 10 at. %) alloys. The amount of TiB and Ti5Si3 was preferentially increased whereas the Ti3Si formed in microstructure of the hot-pressed Ti-15Zr-20Si-5B and Ti-20Zr-20Si-10B alloys.
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ABNT
BERTOLI, Isadora Rossi et al. Mechanical Alloying and Hot Pressing of Ti-Zr-Si-B Powder Mixtures. Metals, v. 82, n. 2, p. 1-13, 2018Tradução . . Disponível em: https://doi.org/10.3390/met8020082. Acesso em: 29 dez. 2025. -
APA
Bertoli, I. R., Ferreira, L. M., Freitas, B. X. de, Nunes, C. A., Ramos, A. S., Filgueira, M., et al. (2018). Mechanical Alloying and Hot Pressing of Ti-Zr-Si-B Powder Mixtures. Metals, 82( 2), 1-13. doi:10.3390/met8020082 -
NLM
Bertoli IR, Ferreira LM, Freitas BX de, Nunes CA, Ramos AS, Filgueira M, Santos C dos, Ramos ECT. Mechanical Alloying and Hot Pressing of Ti-Zr-Si-B Powder Mixtures [Internet]. Metals. 2018 ; 82( 2): 1-13.[citado 2025 dez. 29 ] Available from: https://doi.org/10.3390/met8020082 -
Vancouver
Bertoli IR, Ferreira LM, Freitas BX de, Nunes CA, Ramos AS, Filgueira M, Santos C dos, Ramos ECT. Mechanical Alloying and Hot Pressing of Ti-Zr-Si-B Powder Mixtures [Internet]. Metals. 2018 ; 82( 2): 1-13.[citado 2025 dez. 29 ] Available from: https://doi.org/10.3390/met8020082 - Study of the influence of titanium and niobium particle size on the Ti35Nb alloy production with controlled porosity
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Informações sobre o DOI: 10.3390/met8020082 (Fonte: oaDOI API)
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