Electron microscopy evidence for a frank-read source operating from a grain boundary in α-iron
- 1 October 1970
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine
- Vol. 22 (178) , 857-860
- https://doi.org/10.1080/14786437008220954
Abstract
Electron microscopy evidence is given for a grain boundary dislocation (GBD) acting as a Frank-Read source of a lattice dislocation (LD) in pure α-iron near room temperature. Thermal stresses generated by the electron beam are responsible for the last stage of operation of the source which was activated before observation.Keywords
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