According to literature, the synthetic route to produce High entropy alloys (HEAs) should guarantee short alloying time, efficient cooling and capability to operate in controlled atmosphere. Such conditions can be achieved using high frequency electromagnetic fields, like microwave heating. In this work FeCoNiCrAl and FeCoNiCuAl, both equiatomic and reinforced by the 10% wt. of SiC were prepared by microwave assisted techniques. Results show that direct microwave heating of the powder precursors occurs, until the ignition conditions are reached. The temperature and duration of the microwave-assisted process result much lower than other conventional powder metallurgy routes, but at the cost of a higher residual porosity. Sample characterization confirmed that the powder metallurgy approach is suitable to retain the shape of the load imparted during forming by uniaxial pressing. The homogeneity of the samples resulted in being good in all cases, without the dendritic segregation typically occurring by liquid phase processing. © 2017 European Powder Metallurgy Association (EPMA)
Microwave-assisted preparation of multi principal element alloys by powder metallurgy approach / Colombini, E.; Borromei, I.; Trombi, L.; Casagrande, A.; Veronesi, P.. - (2017). ((Intervento presentato al convegno Euro PM 2017 tenutosi a Milano nel 1-4 Ottobre 2017.
Data di pubblicazione: | 2017 |
Titolo: | Microwave-assisted preparation of multi principal element alloys by powder metallurgy approach |
Autore/i: | Colombini, E.; Borromei, I.; Trombi, L.; Casagrande, A.; Veronesi, P. |
Autore/i UNIMORE: | |
Codice identificativo Scopus: | 2-s2.0-85056524663 |
Nome del convegno: | Euro PM 2017 |
Luogo del convegno: | Milano |
Data del convegno: | 1-4 Ottobre 2017 |
Citazione: | Microwave-assisted preparation of multi principal element alloys by powder metallurgy approach / Colombini, E.; Borromei, I.; Trombi, L.; Casagrande, A.; Veronesi, P.. - (2017). ((Intervento presentato al convegno Euro PM 2017 tenutosi a Milano nel 1-4 Ottobre 2017. |
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2017_EuroPM2017_Colombini.pdf | Versione dell'editore (versione pubblicata) | Open Access Visualizza/Apri |

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