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Room Temperature Deformation in 'Soft' Orientation NiAl Single Crystals

机译:“软”取向Nial单晶的室温变形

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A detailed study of deformation of NiAl single crystals in two soft orientation,(110) and (111), has been conducted. The Schmid factor favors (100) slip in the former and (110) slip in the latter. Detailed dislocation analysis, critical resolved shear stress measurements, and slip trace analysis have been performed to determine the nature of dislocation motion and interactions in this material. Particular attention is given to prismatic loops formed during deformation, since the shapes of these loops reveal the active slip planes. Similar loop morphologies observed in elevated temperature 001 oriented tensile specimens are also discussed. Nickel Aluminide, deformation, dislocations, ductility.

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