Microstructural Changes in Boron Doped Ni3al During High Temperature Low Cycle FatigueMichigan State University. Department of Metallurgy, Mechanics, and Materials Science, 1989 - Boron - 104 pages |
Common terms and phrases
3Al annealed 4.1 Mechanical Behavior A/D converter amplitude at 600°C amplitude cyclic deformation amplitude cyclic test amplitude of 0.28 annealed at 800°C atmosphere of 90 B-doped Ni 3Al boron doped CHANGES IN BORON constant stress cycles in reverse cycles of 0.5 cyclic loading deformation in reducing Extensive grain boundary extensometer fractured surface frequency of 0.17 grain boundary migration Hastelloy high temperature high high temperature low high vacuum MTS hour INTERGRANULAR FRACTURE large cumulative strain load cell loading axis low cycle fatigue Michigan State University microstructural changes Microstructure of Ni migration markings MTS test system Ni3Al Nomarski interference contrast number of cycles personal computer plane parallel plane perpendicular Plot of true polycrystalline Ni 3Al reducing atmosphere reverse bending strain amplitude cyclic stress controlled test stress of 85 stress versus cumulative temperature high vacuum temperature low cycle transgranular fracture true stress versus vacuum furnace vacuum MTS test versus cumulative strain YIELD STRENGTH