Transactions of the Japan Institute of Metals · 1973 · 117 citations · 9 references
Natural SciencesMaterials EngineeringMaterials ScienceCrystal StructureMaterials CharacterizationMetallurgyAlloysCrystal LatticeCrystal SymmetryCrystal SystemsCrystallographyMetalsCrystal TwinningCrystallography Of MartensiteLattice DefectsMartensite TransformationMartensitic MicrostructureNi-al AlloysTwinned MartensiteTwinning Analysis
Crystal structure and lattice defects of the Ni-36.8 at% Al martensite have been investigated mainly by transmission electron microscopy. A structure of the martensite determined in the present work has a normal Ll0 type (CuAu I type) structure which is different from a modified Ll0 type (not CuAu I type) structure suggested by Rosen and Goebel. Transformation twins in the martensite have been found on the {111}t〈112〉t system. Brief considerations are given to the (111)t[11\bar2]t twinning modes.
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