2015
DOI: 10.2172/1239879
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FCRD Transmutation Fuels Handbook 2015

Abstract: Transmutation of minor actinides such as Np, Am, and Cm in spent nuclear fuel is of international interest because of its potential for reducing the long-term health and safety hazards caused by the radioactivity of the spent fuel. One important approach to transmutation (currently being pursued by the DOE Fuel Cycle Research & Development Advanced Fuels Campaign) involves incorporating the minor actinides into U-Pu-Zr alloys, which can be used as fuel in fast reactors. It is, therefore, important to understan… Show more

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Cited by 7 publications
(5 citation statements)
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References 109 publications
(426 reference statements)
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“…Using energy-resolved neutron imaging, a U-20Pu-10Zr-3Np-2Am (weight percent) sample, an alloy researched for transmutation nuclear fuels [19], was characterized to obtain the bulk composition for comparison with mass-spectrometry. The sample consisted of a 20 mm long, 4.2 mm diameter U-20Pu-10Zr-3Np-2Am (weight percent) cast fuel slug contained in a double-walled steel container.…”
Section: Energy-resolved Neutron Imaging Of Nuclear Fuel Slugsmentioning
confidence: 99%
“…Using energy-resolved neutron imaging, a U-20Pu-10Zr-3Np-2Am (weight percent) sample, an alloy researched for transmutation nuclear fuels [19], was characterized to obtain the bulk composition for comparison with mass-spectrometry. The sample consisted of a 20 mm long, 4.2 mm diameter U-20Pu-10Zr-3Np-2Am (weight percent) cast fuel slug contained in a double-walled steel container.…”
Section: Energy-resolved Neutron Imaging Of Nuclear Fuel Slugsmentioning
confidence: 99%
“…Extensive effort has been put forward in the generation of the metallic fuels handbooks, which contain some fundamental property data such as crystal structures, thermal expansion, phase diagrams, thermal conductivities and heat capacities on unirradiated fuels [39], [40]. This is incredibly valuable information, but is insufficient for the goal of developing improved, qualified metallic nuclear fuel for advanced reactors.…”
Section: Other Considerationsmentioning
confidence: 99%
“…This would tend to indicate that the underlying crystal structure of the fuel material is cubic everywhere except the outer 500 µm. The U-Pu-Zr ternary phase diagram [38] suggests that any of the DOE1 or AFC-1H R1, R4 fuel operating above 600°C should be a cubic (bcc) phase. This phase is γ-(U, Zr) and ε-Pu.…”
Section: Metallographymentioning
confidence: 99%
“…However, with the amount of porosity present, the typical porosity behavior of binary and ternary U-Zr and U-Pu-Zr alloys may not hold. In historic binary or ternary metallic fuels, lenticular pores can be formed at temperatures below the γ phase transition temperature (776°C) [38]. The cladding temperature of DOE1 was calculated to be approximately 550°C, so there should be a region of the fuel showing non-spherical porosity that was irradiated below the γ-U phase transition temperature [26].…”
Section: Metallographymentioning
confidence: 99%