Experimental Studies of Engineered Barrier Systems Conducted at Los Alamos National Laboratory (FY16) [electronic resource]
Over the past five years the Used Fuel Campaign has investigated Engineered Barrier Systems (EBS) at higher heat loads (up to 300°C) and pressure (150 bar). This past year experimental work was hindered due to a revamping of the hydrothermal lab. Regardless, two experiments were run this past year,...
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Online Access (via OSTI) |
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| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Office of the Assistant Secretary for Nuclear Energy ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
2016.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Experimental Studies of Engineered Barrier Systems Conducted at Los Alamos National Laboratory (FY16) |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Office of the Assistant Secretary for Nuclear Energy ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 2016. | ||
| 300 | |a 86 p. : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 08/04/2016. | ||
| 500 | |a "la-ur--16-25834" | ||
| 500 | |a Florie Andre Caporuscio; Katherine Elizabeth Norskog; James Maner; Sarah Palaich; Michael C. Cheshire. | ||
| 520 | 3 | |a Over the past five years the Used Fuel Campaign has investigated Engineered Barrier Systems (EBS) at higher heat loads (up to 300°C) and pressure (150 bar). This past year experimental work was hindered due to a revamping of the hydrothermal lab. Regardless, two experiments were run this past year, EBS-18 and EBS-19. EBS-18 was run using Low Carbon Steel (LCS) and opalinus clay in addition to the bentonite and opalinus brine. Many of the past results were confirmed in EBS-18, such as the restriction of illite formation due to the bulk chemistry, pyrite degradation, and zeolite formation dependent on the bentonite and opalinus clay. The LCS show vast amounts of pit corrosion (over 100μm of corrosion in six weeks), leading a corrosion rate of 1083 μm/year. In addition, a mineral goethite, an iron-bearing hydroxide, formed in the pits of the LCS. Preliminary results from EBS-19 water chemistry are included but SEM imaging, micro probe and XRD are still needed for further results. Copper corrosion was investigated further and over 850 measurements were taken. It was concluded that pitting and pyrite degradation drastically increase the corrosion rate from 0.12 to 0.39 μm/day. However, the growth of a layer of the mineral chalcocite is thought to subdue the corrosion rate to 0.024 μm/day as observed in the EBS-13, a sixth month experiment. This document presents the findings of this past year. | |
| 520 | 0 | |a Earth Sciences. | |
| 536 | |b AC52-06NA25396. | ||
| 650 | 7 | |a Opalinus Clay. |2 local. | |
| 650 | 7 | |a Bentonite. |2 local. | |
| 650 | 7 | |a Illite. |2 local. | |
| 650 | 7 | |a Pyrite. |2 local. | |
| 650 | 7 | |a Goethite. |2 local. | |
| 650 | 7 | |a Zeolites. |2 local. | |
| 650 | 7 | |a Pitting Corrosion. |2 local. | |
| 650 | 7 | |a Water Chemistry. |2 local. | |
| 650 | 7 | |a Engineered Safety Systems. |2 local. | |
| 650 | 7 | |a Copper. |2 local. | |
| 650 | 7 | |a Brines. |2 local. | |
| 650 | 7 | |a Spent Fuels. |2 local. | |
| 650 | 7 | |a Temperature Range 0400-1000 K. |2 local. | |
| 650 | 7 | |a Pressure Range Mega Pa 10-100. |2 local. | |
| 650 | 7 | |a Copper Sulfides. |2 local. | |
| 650 | 7 | |a Low Carbon-High Alloy Steels. |2 local. | |
| 650 | 7 | |a Radioactive Waste Disposal. |2 local. | |
| 650 | 7 | |a Materials Science. |2 edbsc. | |
| 650 | 7 | |a Management Of Radioactive And Non-Radioactive Wastes From Nuclear Facilities. |2 edbsc. | |
| 710 | 2 | |a Los Alamos National Laboratory. |4 res. | |
| 710 | 1 | |a United States. |b Office of the Assistant Secretary for Nuclear Energy. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
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