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Title: THE PROPOSED YUCCA MOUNTAIN REPOSITORY FROM A CORROSIVE PERSPECTIVE

Abstract

The proposed Yucca Mountain Repository presents a familiar materials performance application that is regularly encountered in energy, transportation and other industries. The widely accepted approach to dealing with materials performance is to identify the performance requirements, to determine the operating conditions to which materials will be exposed and to select materials of construction that perform well in those conditions. A special feature of the proposed Repository is the extremely long time frame of interest, i.e. 10,000's of years and longer. Thus, the time evolution of the environment in contact with waste package surfaces and the time evolution of corrosion damage that may result are of primary interest in the determination of expected performance. Researchers at Case are part of a Department of Energy Corrosion and Materials Performance Cooperative. This team of leading scientists/engineers from major universities and national laboratories is working together to further enhance the understanding of the role of engineered barriers in waste isolation. The team is organized to address important topics: (1) Long-term behavior of protective, passive films; (2) Composition and properties of moisture in contact with metal surfaces; and (3) Rate of penetration and extent of corrosion damage over extremely long times. The work will alsomore » explore technical enhancements and seek to offer improvements in materials costs and reliability.« less

Authors:
Publication Date:
Research Org.:
Yucca Mountain Project, Las Vegas, Nevada
Sponsoring Org.:
USDOE
OSTI Identifier:
891582
Report Number(s):
DT#46983
MOL.20060309.0015; TRN: US0605450
Resource Type:
Conference
Resource Relation:
Conference: CASE RESEARCH SHOWCASE 2006, APRIL 5, 2006, CLEVELAND, OH
Country of Publication:
United States
Language:
English
Subject:
12 MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; CONSTRUCTION; CORROSION; MOISTURE; PERFORMANCE; RELIABILITY; WASTES; YUCCA MOUNTAIN

Citation Formats

PAYER JH - CASE WESTERN RESERVE UNIVERSITY AGARWAL AS - CASE WESTERN RESERVE UNIVERSITY LANDAU U - CASE WESTERN RESERVE UNIVERSITY LIU CC - CASE WESTERN RESERVE UNIVERSITY PHARKYA P - CASE WESTERN RESERVE UNIVERSITY SHAN X - CASE WESTERN RESERVE UNIVERSITY SHAO M - CASE WESTERN RESERVE UNIVERSITY YU J - CASE WESTERN RESERVE UNIVERSITY. THE PROPOSED YUCCA MOUNTAIN REPOSITORY FROM A CORROSIVE PERSPECTIVE. United States: N. p., 2006. Web.
PAYER JH - CASE WESTERN RESERVE UNIVERSITY AGARWAL AS - CASE WESTERN RESERVE UNIVERSITY LANDAU U - CASE WESTERN RESERVE UNIVERSITY LIU CC - CASE WESTERN RESERVE UNIVERSITY PHARKYA P - CASE WESTERN RESERVE UNIVERSITY SHAN X - CASE WESTERN RESERVE UNIVERSITY SHAO M - CASE WESTERN RESERVE UNIVERSITY YU J - CASE WESTERN RESERVE UNIVERSITY. THE PROPOSED YUCCA MOUNTAIN REPOSITORY FROM A CORROSIVE PERSPECTIVE. United States.
PAYER JH - CASE WESTERN RESERVE UNIVERSITY AGARWAL AS - CASE WESTERN RESERVE UNIVERSITY LANDAU U - CASE WESTERN RESERVE UNIVERSITY LIU CC - CASE WESTERN RESERVE UNIVERSITY PHARKYA P - CASE WESTERN RESERVE UNIVERSITY SHAN X - CASE WESTERN RESERVE UNIVERSITY SHAO M - CASE WESTERN RESERVE UNIVERSITY YU J - CASE WESTERN RESERVE UNIVERSITY. Fri . "THE PROPOSED YUCCA MOUNTAIN REPOSITORY FROM A CORROSIVE PERSPECTIVE". United States. doi:. https://www.osti.gov/servlets/purl/891582.
@article{osti_891582,
title = {THE PROPOSED YUCCA MOUNTAIN REPOSITORY FROM A CORROSIVE PERSPECTIVE},
author = {PAYER JH - CASE WESTERN RESERVE UNIVERSITY AGARWAL AS - CASE WESTERN RESERVE UNIVERSITY LANDAU U - CASE WESTERN RESERVE UNIVERSITY LIU CC - CASE WESTERN RESERVE UNIVERSITY PHARKYA P - CASE WESTERN RESERVE UNIVERSITY SHAN X - CASE WESTERN RESERVE UNIVERSITY SHAO M - CASE WESTERN RESERVE UNIVERSITY YU J - CASE WESTERN RESERVE UNIVERSITY},
abstractNote = {The proposed Yucca Mountain Repository presents a familiar materials performance application that is regularly encountered in energy, transportation and other industries. The widely accepted approach to dealing with materials performance is to identify the performance requirements, to determine the operating conditions to which materials will be exposed and to select materials of construction that perform well in those conditions. A special feature of the proposed Repository is the extremely long time frame of interest, i.e. 10,000's of years and longer. Thus, the time evolution of the environment in contact with waste package surfaces and the time evolution of corrosion damage that may result are of primary interest in the determination of expected performance. Researchers at Case are part of a Department of Energy Corrosion and Materials Performance Cooperative. This team of leading scientists/engineers from major universities and national laboratories is working together to further enhance the understanding of the role of engineered barriers in waste isolation. The team is organized to address important topics: (1) Long-term behavior of protective, passive films; (2) Composition and properties of moisture in contact with metal surfaces; and (3) Rate of penetration and extent of corrosion damage over extremely long times. The work will also explore technical enhancements and seek to offer improvements in materials costs and reliability.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Feb 10 00:00:00 EST 2006},
month = {Fri Feb 10 00:00:00 EST 2006}
}

Conference:
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  • The relationship between the development of the nuclear waste repository program and the concerns of local government are discussed in this paper. From the perspective of Las Vegas and Clark County, the most important issue is the transportation of the material and the utilization of certain routing schemes which could conceivably impact population and economic centers. A prime concern is the sensitivity of the Department of Energy (DOE) to local conditions and urban characteristics. Recommendations are made to begin to ameliorate these concerns.
  • Corrosion is a primary determinant of waste package performance at the proposed Yucca Mountain Repository and will control the delay time for radionuclide transport from the waste package. Corrosion is the most probable and most likely degradation process that will determine when packages will be penetrated and the shape, size, and distribution of those penetrations. The general issues in corrosion science, materials science and electrochemistry are well defined, and the knowledge base is substantial for understanding corrosion processes. In this paper, the Yucca Mountain Repository is viewed from a corrosion perspective. A major component of the long-term strategy for safemore » disposal of nuclear waste at the Yucca Mountain Repository is first to completely isolate the radionuclides in the waste packages for long times and to greatly retard the egress and transport of radionuclides from penetrated packages. Therefore, long-lived waste packages are important. The corrosion resistance of the waste package outer canister is reviewed, and a framework for the analysis of localized corrosion processes is presented. An overview is presented of the Materials Performance targeted thrust of the U.S. Department of Energy/Office of Civilian Radioactive Waste Management's Office of Science and Technology and International. The thrust program strives for increased scientific understanding, enhanced process models and advanced technologies for corrosion control.« less
  • Corrosion is a primary determinant of waste package performance at the proposed Yucca Mountain Repository and will control the delay time for radionuclide transport from the waste package. Corrosion is the most probable and most likely degradation process that will determine when packages will be penetrated and the shape size and distribution of those penetrations. The general issues in corrosion science, materials science and electrochemistry are well defined, and the knowledge base is substantial for understanding corrosion processes. In this paper, the Yucca Mountain Repository is viewed from a corrosion perspective.
  • In this paper, the proposed Yucca Mountain Repository is viewed from a corrosion perspective. A major component of the long-term strategy for safe disposal of nuclear waste at the Yucca Mountain Repository is first to completely isolate the radionuclides in the waste packages for long times and to greatly retard the egress and transport of radionuclides from penetrated packages. Therefore, long-lived waste packages are important. The corrosion resistance of the waste package outer canister is reviewed, and a framework for the analysis of localized corrosion processes is presented. An overview is presented of the Materials Performance targeted thrust of themore » U.S. Department of Energy/Office of Civilian Radioactive Waste Management's Office of Science and Technology and International. The thrust program strives for increased scientific understanding, enhanced process models and advanced technologies for corrosion control.« less