Actions for Progress report on the behavior and modeling of copper alloy to stainless steel joints for ITER first wall applications [electronic resource].

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Progress report on the behavior and modeling of copper alloy to stainless steel joints for ITER first wall applications [electronic resource].

Published
Oak Ridge, Tenn. : Oak Ridge National Laboratory, 1998.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
pages 200-207 : digital, PDF file
Additional Creators
Oak Ridge National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The stress states that lead to failure of joints between GlidCop{trademark} CuAl25 and 316L SS were examined using finite element modeling techniques to explain experimental observations of behavior of those joints. The joints were formed by hot isostatic pressing (HIP) and bend bar specimens were fabricated with the joint inclined 45° to the major axis of the specimen. The lower surface of the bend bar was notched in order to help induce a precrack for subsequent loading in bending. The precrack was intended to localize a high stress concentration in close proximity to the interface so that its behavior could be examined without complicating factors from the bulk materials and the specimen configuration. Preparatory work to grow acceptable precracks caused the specimen to fail prematurely while the precrack was still progressing into the specimen toward the interface. This prompted the finite element model calculations to help understand the reasons for this behavior from examination of the stress states throughout the specimen. An additional benefit sought from the finite element modeling effort was to understand if the stress states in this non-conventional specimen were representative of those that might be experienced during operation in ITER.
Report Numbers
E 1.99:doe/er--0313/24
doe/er--0313/24
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Note
Published through SciTech Connect.
09/01/1998.
"doe/er--0313/24"
"DE98007433"
Collins, J.; Stubbins, J.; Rowcliffe, A.F.; Min, J.
View MARC record | catkey: 14744277