Technological Aspects of Fe-Al-Si Intermetallic Alloy Preparation by Mechanical Alloying

Petr Haušild; Jaroslav Čech; Veronika Kadlecová; Miroslav Karlík; Filip Průša; Kateřina Nová; Pavel Novák; Jaromír Kopeček

doi:10.4028/www.scientific.net/KEM.810.101

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 810Technological Aspects of Fe-Al-Si Intermetallic...

Technological Aspects of Fe-Al-Si Intermetallic Alloy Preparation by Mechanical Alloying

Abstract:

In this paper, recently developed ternary FeAl20Si20 (wt.%) alloy with promising high-temperature oxidation and wear resistance was prepared by mechanical alloying in a high-energy ball mill. The possibility to speed-up the mechanical alloying process by replacing aluminium (and partly silicon) elemental powder by the pre-alloyed powder (AlSi30) with relatively fine dispersion of Si in the Al-Si eutectic was examined. The microstructure, phase composition and mechanical properties after various time of mechanical alloying were characterized. The effect of using the pre-alloyed powders on kinetics of mechanical alloying is compared with the results obtained on batches prepared from elemental powders.

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Periodical:

Key Engineering Materials (Volume 810)

Pages:

101-106

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.810.101

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Online since:

July 2019

Authors:

Petr Haušild*, Jaroslav Čech, Veronika Kadlecová, Miroslav Karlík, Filip Průša, Kateřina Nová, Pavel Novák, Jaromír Kopeček

Keywords:

Intermetallic Alloys, Mechanical Alloying, Nanoindentation, SEM, X-Ray Diffraction

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