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Trends in Dislocation Core Structures and Mechanical Behavior in B2 Aluminide
Published online by Cambridge University Press: 22 February 2011
Abstract
In an effort to understand the deformation mechanism in high temperature B2 intermetallics, atomistic simulations were carried out for dislocation cores in a series of compounds exhibiting the B2 structure (FeAl, NiAl, CoAl). A comparison was made on the basis of core structures, dislocation splittings and Peierls stress values. The (110) and (112) γ surfaces were computed for these three compounds. The importance of the APB values and the maximum shear faults for explaining the dislocation behavior is discussed.
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- Copyright © Materials Research Society 1995
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