Corrosion product identification and relative rates of corrosion of candidate metals in an irradiated air-steam environment

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Previously reported work by others indicates that dicopper trihydroxide nitrate, Cu{sub 2}NO{sub 3}(OH){sub 3}, forms on copper and copper alloys subjected to irradiated moist air near room temperature. We have performed experiments over a range of temperature and humidity, and have found that this species is formed at temperatures up to at least 150{degree}C if low to intermediate relative humidities are present. At 150{degree}C and 100% relative humidity, only Cu{sub 2}O and CuO were observed. The relative general corrosion rates of the copper materials tested in 1-month experiments at dose rates of 0.7 and 2.0 kGy/h were Cu > 70/30 … continued below

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16 pages

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Reed, D. T.; Swayambunathan, V.; Tani, B. S. & Van Konynenburg, R. A. November 3, 1989.

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Previously reported work by others indicates that dicopper trihydroxide nitrate, Cu{sub 2}NO{sub 3}(OH){sub 3}, forms on copper and copper alloys subjected to irradiated moist air near room temperature. We have performed experiments over a range of temperature and humidity, and have found that this species is formed at temperatures up to at least 150{degree}C if low to intermediate relative humidities are present. At 150{degree}C and 100% relative humidity, only Cu{sub 2}O and CuO were observed. The relative general corrosion rates of the copper materials tested in 1-month experiments at dose rates of 0.7 and 2.0 kGy/h were Cu > 70/30 Cu--Ni > Al-bronze. High-nickel alloy 825 showed no observable corrosion. 29 refs., 4 tabs.

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16 pages

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NTIS, PC A03/MF A01; OSTI; INIS; GPO Dep.

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  • Scientific basis for nuclear waste management, Boston, MA (USA), 27-30 Nov 1989

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  • Other: DE90011464
  • Report No.: UCRL-102597
  • Report No.: CONF-891129--3
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 6926600
  • Archival Resource Key: ark:/67531/metadc1190129

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  • November 3, 1989

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  • July 2, 2018, 10:52 p.m.

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  • May 6, 2019, 12:07 p.m.

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Reed, D. T.; Swayambunathan, V.; Tani, B. S. & Van Konynenburg, R. A. Corrosion product identification and relative rates of corrosion of candidate metals in an irradiated air-steam environment, article, November 3, 1989; California. (https://digital.library.unt.edu/ark:/67531/metadc1190129/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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