Microsc. Microanal. Microstruct.
Volume 3, Number 1, February 1992
|Page(s)||35 - 44|
EELS characterization of zirconium hydridesOn Ting Woo1 et Graham J. C. Carpenter2
1 AECL Research, Chalk River Laboratories, Chalk River, Ontario, Canada K0J 1J0
2 MTL/CANMET, Energy, Mines and Resources Canada, 568 Booth Street, Ottawa, Ontario, Canada K1A 0G1
The energy of the first plasmon loss peak has been determined for the ∈-Zr hydride phase in pure Zr. The peak energy is sufficiently different from that of the δ-hydride to permit EELS "fingerprinting" with ease using a parallel EELS system, but with greater difficulty using serial EELS, because of drift associated with the slower collection rates. Experiments on Zr-2.5Nb alloys showed that the hydride phases can also be distinguished using EELS, facilitating the analysis of hydride precipitates and blisters in nuclear reactor pressure tubes.
0778 - Electron, positron, and ion microscopes; electron diffractometers.
7920U - Electron energy loss spectroscopy.
Electron energy loss spectra -- Epsilon phase -- Plasmons -- Zirconium hydrides -- Transition element compounds -- Microstructure -- Binary alloys -- Zirconium base alloys -- Niobium alloys -- Zr-2,5Nb
© EDP Sciences 1992