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Mechanical Alloying of Fe-Al-Si Intermetallic Compounds Using Pure and Pre-Alloyed Powders

Petr Haušild, Jaroslav Čech

2019enintermetallic alloysmechanical alloyingSEMX-ray diffractionnanoindentation

Abstract

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In this paper, ternary FeAl20Si20 (wt.%) intermetallic alloy was prepared by mechanical alloying from different feedstock materials. Various combinations of elemental as well as pre-alloyed feedstock powders were milled in hard-soft, soft-hard and hard-hard initial mixing conditions with the aim to optimize the mechanical alloying process especially speed-up the processing time. The microstructure, phase composition and mechanical properties after different time of mechanical alloying were characterized. The effect of using the pre-alloyed powders on kinetics of mechanical alloying and final phase composition is compared with the results obtained on batches prepared from elemental powders. Using of appropriate pre-alloyed powders can slightly speed-up mechanical alloying process, nevertheless it has no significant impact on the final properties of the alloy.

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Cite This Work

@article{ab9125de-b989-42b0-9d4c-b059e73e255d,
  title={Mechanical Alloying of Fe-Al-Si Intermetallic Compounds Using Pure and Pre-Alloyed Powders},
  author={Petr Haušild and Jaroslav Čech},
  year={2019},
  language={en}
}
TY  - JOUR
TI  - Mechanical Alloying of Fe-Al-Si Intermetallic Compounds Using Pure and Pre-Alloyed Powders
AU  - Petr Haušild
AU  - Jaroslav Čech
PY  - 2019
LA  - en
ER  -

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