Observation of dislocation dynamics in the electron microscope
Conference
·
OSTI ID:15005457
Deformation experiments performed in-situ in the transmission electron microscope have led to an increased understanding of dislocation dynamics. To illustrate the capability of this technique two examples will be presented. In the first example, the processes of work hardening in Mo at room temperature will be presented. These studies have improved our understanding of dislocation mobility, dislocation generation, and dislocation-obstacle interactions. In the second example, the interaction of matrix dislocations with grain boundaries will be described. From such studies predictive criteria for slip transfer through grain boundaries have been developed.
- Research Organization:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- US Department of Energy (US)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 15005457
- Report Number(s):
- UCRL-JC-142180; TRN: US200322%%319
- Resource Relation:
- Conference: Dislocations 2000, Gaithersburg, MD (US), 06/19/2000--06/22/2000; Other Information: PBD: 17 Jan 2001
- Country of Publication:
- United States
- Language:
- English
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