Projects(2006CB605005,2010CB631203) supported by the National Basic Research Program of China;Project(IRT0713) supported by Changjiang Scholars and Innovative Research Team in University,China
The microstructure evolution of a new directionally solidified(DS) Ni-based superalloy used for gas turbine blades after long-term aging at 950 ℃ was investigated.The results show that the γ ' phase becomes more ...