Stability of dislocation loops near a free surface
- 1 December 1972
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 43 (12) , 4862-4865
- https://doi.org/10.1063/1.1661038
Abstract
The effect of surface forces on the stability of edge dislocation loops, b=(1/2) [101], in MgO thin foils has been studied using transmission electron microscopy. The circular loops lying within a critical distance from the surfaces slip out without appreciable rotation. The critical distance in {100} foils, where the glide cylinders are at 45° to the foil surfaces, was found to increase with increasing loop size.This publication has 4 references indexed in Scilit:
- The dislocation loop near a free surfacePhilosophical Magazine, 1970
- Elastic Centers of Strain and DislocationsJournal of Applied Physics, 1969
- The elastic energies of elliptical dislocation loopsPhilosophical Magazine, 1966
- Electron microscope observations of deformed magnesium oxidePhilosophical Magazine, 1960