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Fifty-year study of the Peierls-Nabarro stress

Author: Nabarro, FRN Date: 30 Aug 1997 The origin of the Peierls model and its relation to that of Frenkel and Kontorova are described. Within this model there are three essentially different formulae for the stress required to move a dislocation rigidly through a perfect lattice, ... Read more
Grain size, stress and creep in polycrystalline solids

Author: Nabarro, FRN Date: Aug 2000 If a stress sigma is applied to a polycrystal of grain size L, the mode of creep deformation depends on the answers to the following questions: (i) Does sigma exceed the Peierls stress sigma (p); (ii) Does L exceed the dislocation spacing in ... Read more

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Browsing by Subject "Peierls stresses"

Browsing by Subject "Peierls stresses"

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