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Helmut Clemens and Svea Mayer Design, Processing, Microstructure, Properties, and Applications of Advanced Intermetallic TiAl Alloys Advanced Engineering Materials 15

Version of Record online: 19 NOV 2012 | DOI: 10.1002/adem.201200231

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Development and processing of high-temperature materials is the key to technological progress in engineering areas where materials have to meet extreme requirements. After almost three decades of intensive fundamental research and development activities, intermetallic titanium aluminides based on the ordered γ-TiAl phase have found applications in automotive and aircraft engine industry. This review gives a general survey of engineering γ-TiAl based alloys, but concentrates on β-solidifying γ-TiAl based alloys, e.g., TNM™ alloys, which show excellent hot-workability and balanced mechanical properties when subjected to adapted heat treatments.

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