Project(2011CB605500)supported by National Basic Research Program of China;Project(51171015)supported by National Natural Science Foundation of China;Project(2012M520166)supported by China Postdoctoral Science Foundation;Project(2012Z-06)supported by State Key Laboratory for Advanced Metals and Materials,University of Science and Technology Beijing,China;Project(FRF-TP-12-164A)supported by Fundamental Research Funds for the Central Universities of China
Microstructure instabilities of the fully lamellar Ti-45Al-8.5Nb-(W,B,Y) alloy were investigated by SEM and TEM after long-term thermal cycling(500 and 1000 thermal cycles) at 900 °C. Two major categories of micr...