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Title: A generalized definition for waste form durability.

Abstract

When evaluating waste form performance, the term ''durability'' often appears in casual discourse, but in the technical literature, the focus is often on waste form ''degradation'' in terms of mass lost per unit area per unit time. Waste form degradation plays a key role in developing models of the long-term performance in a repository environment, but other factors also influence waste form performance. These include waste form geometry; density, porosity, and cracking; the presence of cladding; in-package chemistry feedback; etc. The paper proposes a formal definition of waste form ''durability'' which accounts for these effects. Examples from simple systems as well as from complex models used in the Total System Performance Assessment of Yucca Mountain are provided. The application of ''durability'' in the selection of bounding models is also discussed.

Authors:
; ; ;
Publication Date:
Research Org.:
Argonne National Lab., IL (US)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
801640
Report Number(s):
ANL/RAE/CP-108046
TRN: US0205569
DOE Contract Number:  
W-31-109-ENG-38
Resource Type:
Conference
Resource Relation:
Conference: ANS 5th Topical Meeting on Spent Nuclear Fuel and Fissile Material, Charleston, SC (US), 09/17/2002--09/20/2002; Other Information: PBD: 26 Jun 2002
Country of Publication:
United States
Language:
English
Subject:
12 MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; 11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; CHEMISTRY; FEEDBACK; FISSILE MATERIALS; GEOMETRY; NUCLEAR FUELS; PERFORMANCE; POROSITY; WASTE FORMS; YUCCA MOUNTAIN

Citation Formats

Fanning, T H, Bauer, T H, Morris, E E, and Wigeland, R A. A generalized definition for waste form durability.. United States: N. p., 2002. Web.
Fanning, T H, Bauer, T H, Morris, E E, & Wigeland, R A. A generalized definition for waste form durability.. United States.
Fanning, T H, Bauer, T H, Morris, E E, and Wigeland, R A. Wed . "A generalized definition for waste form durability.". United States. https://www.osti.gov/servlets/purl/801640.
@article{osti_801640,
title = {A generalized definition for waste form durability.},
author = {Fanning, T H and Bauer, T H and Morris, E E and Wigeland, R A},
abstractNote = {When evaluating waste form performance, the term ''durability'' often appears in casual discourse, but in the technical literature, the focus is often on waste form ''degradation'' in terms of mass lost per unit area per unit time. Waste form degradation plays a key role in developing models of the long-term performance in a repository environment, but other factors also influence waste form performance. These include waste form geometry; density, porosity, and cracking; the presence of cladding; in-package chemistry feedback; etc. The paper proposes a formal definition of waste form ''durability'' which accounts for these effects. Examples from simple systems as well as from complex models used in the Total System Performance Assessment of Yucca Mountain are provided. The application of ''durability'' in the selection of bounding models is also discussed.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2002},
month = {6}
}

Conference:
Other availability
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