Hierarchical Characterization of Deformation Heterogeneities inBCC crystals
Conference
·
OSTI ID:901236
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:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Director. Office of Science. Office of Basic EnergySciences
- DOE Contract Number:
- DE-AC02-05CH11231
- OSTI ID:
- 901236
- Report Number(s):
- LBNL-60915; R&D Project: A580ES; BnR: KC0204016; TRN: US200713%%208
- Resource Relation:
- Conference: Plasticity 2005, Kauai, HI, January2005
- Country of Publication:
- United States
- Language:
- English
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