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Gamma TiAl alloys (herein called gammalloys) are becoming the first advanced engineering structural metallic materials with their substitution for superalloys in select civil, aero-engine, low-pressure turbine blades (LPTBs) and their potential use as moving components in select high-performance ground vehicle engines. The applications of gammalloy materials (cast 4822-CDP/NL, cast 45XDL and wrought TNMWNL) as LPTBs for intermediate service temperatures began to establish the foundations of their respective materials-processes- manufacturing technologies. The first commercial flights of the 4822 LPTBs took place in 2012, which was nearly 40 years after the first gamma TiAl alloy exploration program was initiated by the US. Air Force and conducted by Pratt and Whitney. As implementation of the LPTBs becomes widespread, higher temperature, capable gammalloy material has become a crucial need for lower stage LPTBs, which will significantly enhance engine performance. The Gamma Alloys Technology 2017 (GAT-2017) symposium aimed to address these issues and discuss appropriate measures collectively by providing seven oral sessions and two discussion sessions for 74 presentations