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FGM ROTATING DISC FABRICATE BY Al / Al 2 O 3

Our aim of is to develop a processing method for a rotating disc made of functionally graded materials (FGM), by stacking the slurry, layer by layer in a radial direction. A three-layer functionally graded material of Al/Al2O3 is fabricated with compositions of 10, 20, 30 vol.% Al2O3. The ceramic composition increases from the discs inner (centre) to the outer. The combination of these materials can offer the ability to withstand high temperature conditions whilst maintaining strength in extreme environments. In this paper we present a method of fabricating a disc made of Al/Al2O3 functionally graded materials (FGM), using a powder metallurgy manufacturing process.