Modeling the corrosion of high-level waste containers: CAM-CRM interface
Author(s) -
J.C. Farmer,
P. Bedrossian,
R.D. McCright
Publication year - 1998
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/290814
Subject(s) - corrosion , allowance (engineering) , monel , alloy , crevice corrosion , containment (computer programming) , metallurgy , layer (electronics) , materials science , environmental science , composite material , engineering , mechanical engineering , computer science , programming language
A key component of the Engineered Barrier System (EBS) being designed for containment of spent-fuel and high-level waste at the proposed geological respository at Yucca Mountain, Nevada is a two-layer canister. In this particular design, the inner barrier is made of a corrosion resistant material (CRM) such as Alloy 825, 625 or C-22, while the outer barrier is made of a corrosion-allowance material (CAM) such as A516 or Monel 400. At the present time, Alloy C-22 and A516 are favored. This publication addresses the development of models to account for corrosion of Alloy C-22 surfaces exposed directly to the Near Field Environmental (NFE), as well as to the exacerbated conditions in the CAM-CRM crevice
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