Out-of-pile hydriding and thermal relaxation of reactor fasteners using Zircaloy components: the REM-120 test.

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Six different fastened joints representing the various combinations of materials in contact with Zircaloy in the Light Water Breeder Reactor (LWBR) were tested in 520/sup 0/F water for 60 days to determine the out-of-pile hydriding tendencies of the Zircaloy components in the joints. No evidence of massive, accelerated hydriding was found in this test although other testing has shown that local hydriding can occur in one of the fasteners. The same six fastener designs were tested in 600/sup 0/F water for 60 days to assess their load retention capability (thermal relaxation). The measured relaxation of these fasteners confirmed the predicted … continued below

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54 pages

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Duenkel, D.A. January 1, 1980.

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  • Main Title: Out-of-pile hydriding and thermal relaxation of reactor fasteners using Zircaloy components: the REM-120 test.
  • Series Title: LWBR Development Program

Description

Six different fastened joints representing the various combinations of materials in contact with Zircaloy in the Light Water Breeder Reactor (LWBR) were tested in 520/sup 0/F water for 60 days to determine the out-of-pile hydriding tendencies of the Zircaloy components in the joints. No evidence of massive, accelerated hydriding was found in this test although other testing has shown that local hydriding can occur in one of the fasteners. The same six fastener designs were tested in 600/sup 0/F water for 60 days to assess their load retention capability (thermal relaxation). The measured relaxation of these fasteners confirmed the predicted values for the conditions of the test.

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54 pages

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Dep. NTIS, PC A04/MF A01.

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1980

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  • Feb. 10, 2018, 10:06 p.m.

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  • Feb. 27, 2021, 12:30 a.m.

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Duenkel, D.A. Out-of-pile hydriding and thermal relaxation of reactor fasteners using Zircaloy components: the REM-120 test., report, January 1, 1980; West Mifflin, Pennsylvania. (https://digital.library.unt.edu/ark:/67531/metadc1091498/: accessed December 1, 2023), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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