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Microstructure and mechanical Property of Fe-Al2O3 nanocomposites synthesized by reactive milling followed by spark plasma sintering
journal contributionposted on 2012-01-01, 00:00 authored by K R Ravi, A Murugesan, V Udhayabanu, R Subramanian, B S Murty
The in-situ Fe based nanocomposite containing Fe-Al2O 3 particle is synthesized by reactive milling of Fe-Al 2O3-Al-Fe powder mixture in toluene medium followed by consolidation of powders using Spark Plasma Sintering process. Transmission electron microscopy investigation of consolidated Fe-Fe-Al2O 3 nanocomposites has shown heterogenous grain structure of Fe consisting of nano, submicron and micron size grains together with nanometer Fe-Al2O3 particles. The hardness of Fe-Al2O3 nanocomposites consolidated at 800°C is 795 MPa. © (2012) Trans Tech Publications.