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Ensinger PEI

Titanium Aluminide, TiAl3
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. A range of stoichiometries is possible through elemental substitutions.

Key Words: TiAl3, Al3Ti
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Physical PropertiesMetricEnglishComments
Density 3.40 g/cc0.123 lb/in³
 
Thermal PropertiesMetricEnglishComments
Melting Point 1350 °C2460 °F
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 62.8 %62.8 %By Weight
Titanium, Ti 37.2 %37.2 %By Weight
 
Descriptive Properties
Critical Ordering Temperature1350°C
Crystal StructureD022Ordered Tetragonal

References for this datasheet.

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