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Fe-Al based composite reinforced with ultra-fine Al2O3 oxides for high temperature applications
| 1 | Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw, Poland |
| 2 | Department of Mechanical Engineering, Imperial College London, London, UK |
| 3 | Military University of Technology, Faculty of Advanced Technologies and Chemistry, Warsaw, Poland |
CORRESPONDING AUTHOR
Mateusz Kopec
Department of Experimental Mechanics, Institute of Fundamental Technological Research Polish Academy of Sciences, 5B Pawinskiego St., 02-106, Warsaw, Poland
Department of Experimental Mechanics, Institute of Fundamental Technological Research Polish Academy of Sciences, 5B Pawinskiego St., 02-106, Warsaw, Poland
Submission date: 2021-03-24
Final revision date: 2021-05-10
Acceptance date: 2021-05-13
Online publication date: 2021-07-21
Publication date: 2021-07-25
Journal of Theoretical and Applied Mechanics 2021;59(3):509–513
KEYWORDS
TOPICS
ABSTRACT
In this paper, an Fe-Al based composite reinforced with ultra-fine Al2O3 oxides was obtained
through sintering of aluminium, iron and mullite ceramic powders using self-propagated high
temperature synthesis (SHS). The powder mixture with a 50%wt. content of the ceramic
reinforcement was cold pressed and subsequently subjected to the sintering process in vacuum
at 1200◦C for 25 minutes under external loading of 25 kN. The complex microstructure
of the Fe-Al matrix reinforced with ultra-fine Al2O3 oxides was found to be desired in high
temperature applications since only 3% of the relative weight gain was observed after 100
hours of annealing at 900◦C.
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