Creep Alloy V57 Alloy 625 2.5 5 Test Conditions: 2 Wrought:de/dt =31.1 %/yr 30 800C 9 ksi 1.5 Test Conditions: Failure Stress:5 ksi 1 Temp:700C 10 GBE:de/dt 2.1 %/yr No Failure 0.5 0 20 40 60 80 100 0 50 100150200250300350 Time (Hours) Elapsed Time (Hours) As-Recieved(Fsp=21.7%) As Received(Fsp=35%) 一GBE(Fsp=76%) Grain Boundary Engineered(Fsp=65%) Conventional GBEAlloy V57 Alloy 625 Conventional GBE Creep