Point Defects in Selected B2 Phases |
Contents
LITERATURE SURVEY | 5 |
B Defects In B2 Intermediate Phases | 30 |
EXPERIMENTAL EQUIPMENT AND PROCEDURES | 48 |
3 other sections not shown
Common terms and phrases
activation energy aged at various Aging Conditions Aging Temp aging temperature Al-rich alloys Al-rich NiAl alloy composition aluminum annealing process Average Void chemical composition concen crystal cubic-like voids curves defect clusters defect concentration defect formation energy Defect Migration Energy determined dislocations displacement vector Dodd equation fault plane FeAl Function of 1/KT Function of Aging Gibbs free energy grain boundary increases lattice parameter lattice sites measurement minutes t=110 minutes Ni-rich NiAl alloys nickel vacancies NiGa observed planar defects Plot of ln point defects pre-aging quenched and annealed quenched from 1400°C quenched metals quenched samples Quenching and Aging quenching rate quenching temperature rhombic dodecahedra rod-like voids shown in Figure spark erosion stacking faults stoichiometric sub-lattice supersaturated vacancy concentration TABLE thermal equilibrium Thermal Radiation Thermal vacancy concentrations transmission electron microscopy triple defect formation vacancy defects vacant sites various temperatures Void density void distribution void free zone volume fraction оо