The stacking-fault energy of nickel
- 1 May 1977
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine
- Vol. 35 (5) , 1161-1172
- https://doi.org/10.1080/14786437708232942
Abstract
The weak-beam method of electron microscopy has been used to study dis sociated edge dislocations and faulted dipoles in nickel. Micrographs have been compared with many-beam computed image profiles to deduce values for the dimensions of the defects, and these results are then used in conjunction with anisotropic elasticity theory to obtain the stacking-fault energy, γ, or an upper limit, γmax. The interpretation of these results is discussed and it is concluded that the true value of γ is most likely to lie in the range γ ∼120–130 mJ m−2.Keywords
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