Hierarchical Characterization of Deformation Heterogeneities in BCC Crystals
Conference
·
OSTI ID:1008974
- ORNL
Deformation behavior of body-centered cubic (BCC) metals is being investigated by white beam x-ray microdiffraction to characterize the dislocation structure that results from uniaxial compression experiments. The measurements were performed on molybdenum single crystals and a tantalum bicrystal as part of a hierarchical characterization effort. Results show heterogeneities in the deformed structure and misorientation maps consistent with results obtained from Orientation Imaging Microscopy (OIM). Additionally, the technique allows for the determination of the active glide systems as well as of the dislocation densities in function of the position in the sample.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 1008974
- Resource Relation:
- Conference: The Eleventh International Symposium on Plasticity and its Current Applications;January 3 - 7, 2005;
- Country of Publication:
- United States
- Language:
- ENGLISH
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