Ghosh, S and Das, S K (1998) Carbide Morphology Observations in Rare-Earth-Treated Fe-Al-Si-C Alloys. Materials Characterization, 41 (5). pp. 217-221.
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Aluminum-alloyed grey cast irons have been tried in industrial applications demanding moderate heat resistance. However, they tend to suffer from oxidation, dross entrapment during melting, and a loss of ductility at ambient temperatures. In addition, aluminum-alloyed grey iron containing approximately 2.4 wt.% carbon and 0.5–2.0 wt.% silicon can exhibit three different microstructures, depending on the aluminum content . With a low aluminum content, as much as about 6%, the microstructure is one of flake graphite in a pearlitic matrix. With the aluminum content between 6 and 20%, a complex iron-aluminum carbide (k-phase) is formed. Aluminum contents in the 20–30% range produce a ferrite matrix.
|Uncontrolled Keywords:||Fe-Al-Si-C Alloys|
|Divisions:||Material Science and Technology|
|Deposited By:||Dr. A K Sahu|
|Deposited On:||06 Oct 2009 10:45|
|Last Modified:||14 Dec 2011 17:21|
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