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Ensinger PEI

Iron Aluminide, Fe3Al
Categories: Metal; Intermetallic

Material Notes: Intermetallic aluminides have good mechanical properties and stability to be used in high temperature environments. A thin protective Al2O3 coating forms to provide oxidative stability.

Crystal structures include D03 ordered BCC and B2 ordered BCC.


Composition table gives weight percent.

Key Words: Fe3Al
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Physical PropertiesMetricEnglishComments
Density 6.72 g/cc0.243 lb/in³D03 Ordered BCC structure
 
Mechanical PropertiesMetricEnglishComments
Modulus of Elasticity 141 GPa20500 ksiD03 Ordered BCC structure
 
Thermal PropertiesMetricEnglishComments
Melting Point 1540 °C2800 °F
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 13.9 %13.9 %
Iron, Fe 86.1 %86.1 %
 
Descriptive Properties
Critical Ordering Temperature540°CD03 Crystal Structure
 760°CB2 Crystal Structure

References for this datasheet.

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