Together with EPRI and select IGT repair facilities, TEServices is performing research and development for Single Crystal (SX) Rene N4 and N5 and Directionally Solidified (DS) GTD 111 and MGA 1400 by evaluating different age heat treatment, rejuvenating heat treatments, metallurgical condition including carbides and gamma prime as well as mechanical properties including hardness, stress rupture and low cycle fatigue.