Manufacturing Technology 2018, 18(2):295-298 | DOI: 10.21062/ujep/94.2018/a/1213-2489/MT/18/2/295

The Effect of Production Process on Properties of FeAl20Si20

Kateřina Nová, Pavel Novák, Tomáš Vanka, Filip Průša
University of Chemistry and Technology, Prague, Department of Metals and Corrosion Engineering, Technická 5, Praha 6, Czech Republic

This work deals with comparison of two production methods on microstructure, phase composition and mechanical properties of intermetallic based on Fe-Al-Si which are appropriate materials for high-temperature applications. A conventional metallurgical process - casting - was compared with a novel processing method, based on ultra-high energy mechanical alloying (MA) and spark plasma sintering (SPS) in order to prepare FeAl20Si20 (in wt. %) alloy. The influence of production route was observed. Via MA + SPS can produce a material of the same phase composition but with significantly better mechanical properties. Negligible porosity, fine-grained and homogeneous structure are the reasons.

Keywords: Intermetallics, Mechanical properties, Powder metallurgy, Spark Plasma Sintering

Published: April 1, 2018  Show citation

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Nová K, Novák P, Vanka T, Průša F. The Effect of Production Process on Properties of FeAl20Si20. Manufacturing Technology. 2018;18(2):295-298. doi: 10.21062/ujep/94.2018/a/1213-2489/MT/18/2/295.
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