... notably nitrate, sulfate, and carbonate, inhibit the aggressiveness of the chloride ion. The ratio of aggressive to inhibitive anions is a key parameter in predicting the possibility of the crevice corrosion of waste packages in the Yucca Mountain repository. The results of a preliminary experimental...

...Abstract The Transportation, Aging and Disposal (TAD) canister-based system is being proposed to transport and store spent nuclear fuel at the Monitored Geologic Repository (MGR) located at Yucca Mountain, Nevada. The preliminary design of this system identifies borated stainless steel...

... into a drill hole and the other end has a welded ring flange to hold the bearing plate. Because of its unique property this kind of rock bolts is being studied as a means to support the Yucca Mountain Repository tunnels. In this study potentiodynamic polarization tests were carried out to study the corrosion...

...% 0.24% rest Electrolyte preparation Abstract Friction rock stabilizers (FRS), such as Swellex* rock bolts are being considered as reinforcement material for the Yucca Mountain Nuclear Repository. Generally, expanded rock bolts are used for rock support in mining and tunneling applications due...

...) for the outer barrier of the proposed waste package for the potential high-level nuclear waste repository at Yucca Mountain, Nevada. The integrity of the waste package is one of the most important attributes of the engineered barrier system and DOE has indicated that long waste package lifetimes are important...

... for nuclear criticality control. Gadolinium has been chosen as the neutron absorption alloying element due to its high thermal neutron absorption cross section. This alloy must be resistant to localized corrosion when exposed to postulated Yucca Mountain in-package chemistries. The corrosion resistance...

... N06022). New results on the mechanical properties, corrosion resistance and thermal stability of welded and unwelded material aged at 200, 300 and 427°C up to 20,000 h is compared for both alloys. alloy 59 – UNS N06059 alloy 22 – UNS N06022 Yucca Mountain rad-waste container thermal stability...

...Alloy 22 Yucca Mountain corrosion evaporation unsaturated zone INTRODUCTION In the proposed Yucca Mountain geologic repository, a major criterion for the selection of container materials is their ability to withstand corrosion by water present within the repository throughout the entire...

... on either sterile or untreated control coupons. Quantification of these effects will help define the overall contribution of MIC to the integrity of the containment system over a period of 10,000 years. MIC Alloy 22 repository nuclear waste corrosion Yucca Mountain INTRODUCTION The U.S. Department...

... internals. The focus of this work is to qualify these materials for ASME code qualification and acceptance in the Yucca Mountain Repository. nuclear criticality safety neutron absorbing material nickel-based alloy gadolinium spent nuclear fuel gadolinium Yucca Mountain INTRODUCTION The U.S...

...Yucca Mountain waste package localized corrosion crevice corrosion Alloy 22 repassivation potential potentiodynamic polarization thermodynamic speciation INTRODUCTION In the United States, the U.S. Department of Energy (DOE) is responsible for the design and construction of a geological...

... according to the directions of the manufacturer. DNA Extraction from LTCT tanks Abstract The microbiological community structure within a proposed nuclear waste repository at Yucca Mountain (YM), NV was determined. Microbial growth from collected rock was detected using simulated ground water as a growth...

... using smoother-surface, more highly polished coupons should allow for better resolution between surface layers to permit a decisive determination of the mode of Alloy 22 dissolution using sputtering XPS analysis. MIC Yucca Mountain Alloy 22 nuclear waste passive corrosion dealloying INTRODUCTION...

... for the corrosion resistant outer barrier of a two-layer waste package container at the potential repository site at Yucca Mountain. A range of water compositions that may contact the outer barrier is under consideration, and a testing program is underway to characterize the forms of corrosion and to quantify...

...Abstract Microbiologically influenced corrosion (MIC) may decrease the functional lifetime of nuclear waste packaging materials in the potential geologic repository at Yucca Mountain (YM), Nevada. Biochemical contributions to corrosion of package materials are being determined in reactors...

... of the Nevada Test Site and a “perched” water were selected as the base for the simulated water solutions in this corrosion study. Well J-13 is located near Yucca Mountain and draws water from the same rock unit that was selected for the actual repository. The composition of J-13 water has been reported...

...Abstract Assessment of candidate waste package materials for nuclear waste disposal requires determination of any microbiological contribution to overall corrosion. Two systems employing characterized bacterial isolates from the Yucca Mountain site were designed to assess the rates of MIC...

... of the activities of microorganisms on surfaces is critical to the control of microbially-influenced corrosion and other biologically-mediated processes. Loss of integrity of the metal canisters proposed for use at Yucca Mountain could result in the contamination of the surrounding environment by radioactive waste...