Ghosh, S and Prodhan, A and Mohanty, O N and Chakrabarti, A K (1996) A study on the oxidation characteristics of cast irons containing aluminum. Oxidation of Metals, 45 (1-2). pp. 109-131.
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Isothermal-oxidation characteristics of cast irons containing aluminum (5-15% Al) from 700 to 1000 degrees C in air have been studied. In addition to mass-gain measurements, the morphology and composition of the oxide scales have been examined by SEM-EDX system and XRD analysis. A normal Fe-5Al-C alloy does not develop protective, adherent scales, Even the addition of misch metal and calcium silicide to such an alloy does not improve its oxidation resistance. But aluminum cast iron develops considerable oxidation resistance only when a sufficient quantity of silicon is also present in the alloy. Treatment of the alloy with misch metal and calcium silicide together assists in protective scale formation. Among the alloys investigated Fe-15Al-Si-C treated with misch metal and calcium silicide shows minimum oxidation at 1000 degrees C.
|Uncontrolled Keywords:||Fe-Al-C; Fe-Al-Si-C; inoculation; scale; characterization; oxidation; high temperature|
|Divisions:||Metal Extraction and Forming|
|Deposited By:||Sahu A K|
|Deposited On:||15 Jun 2010 13:07|
|Last Modified:||14 Dec 2011 17:22|
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