Titanium aluminide
Intermetallic chemical compound / From Wikipedia, the free encyclopedia
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Titanium aluminide (chemical formula TiAl), commonly gamma titanium, is an intermetallic chemical compound. It is lightweight and resistant to oxidation [1] and heat, but has low ductility. The density of γ-TiAl is about 4.0 g/cm3. It finds use in several applications including aircraft, jet engines, sporting equipment and automobiles.[citation needed] The development of TiAl based alloys began circa 1970. The alloys have been used in these applications only since about 2000.
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IUPAC name
aluminum;titanium | |
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AlTi | |
Molar mass | 74.849 g/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Titanium aluminide has three major intermetallic compounds: gamma titanium aluminide (gamma TiAl, γ-TiAl), alpha 2-Ti3Al and TiAl3. Among the three, gamma TiAl has received the most interest and applications.