Corrosion considerations of high-nickel alloys and titanium alloys for high-level radioactive waste disposal containers

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Corrosion resistant materials are being considered for the metallic barrier of the Yucca Mountain Project`s high-level radioactive waste disposal containers. High nickel alloys and titanium alloys have good corrosion resistance properties and are considered good candidates for the metallic barrier. The localized corrosion phenomena, pitting and crevice corrosion, are considered as potentially limiting for the barrier lifetime. An understanding of the mechanisms of localized corrosion of how various parameters affect it will be necessary for adequate performance assessments of candidate container materials. Examples of some of the concerns involving candidate container materials. Examples of some of the concerns of involving ... continued below

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13 p.

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Gdowski, G.E. & McCright, R.D. July 1, 1991.

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Description

Corrosion resistant materials are being considered for the metallic barrier of the Yucca Mountain Project`s high-level radioactive waste disposal containers. High nickel alloys and titanium alloys have good corrosion resistance properties and are considered good candidates for the metallic barrier. The localized corrosion phenomena, pitting and crevice corrosion, are considered as potentially limiting for the barrier lifetime. An understanding of the mechanisms of localized corrosion of how various parameters affect it will be necessary for adequate performance assessments of candidate container materials. Examples of some of the concerns involving candidate container materials. Examples of some of the concerns of involving localized corrosion are discussed. The effects of various parameters, such as temperature and concentration of halide species, on localized corrosion are given. In addition concerns about aging of the protective oxide layer in the expected service temperature range (50 to 250{degrees}C) are presented. Also some mechanistic considerations of localized corrosion are given. 31 refs., 1 tab.

Physical Description

13 p.

Notes

INIS; OSTI as DE91016564

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  • CORROSION `91: National Association of Corrosion Engineers (NACE) conference, Cincinnati, OH (United States), 11-15 Mar 1991

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  • Other: DE91016564
  • Report No.: UCRL-JC--103744
  • Report No.: CONF-910328--6
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 138181
  • Archival Resource Key: ark:/67531/metadc624172

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • July 1, 1991

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 16, 2016, 6:10 p.m.

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Gdowski, G.E. & McCright, R.D. Corrosion considerations of high-nickel alloys and titanium alloys for high-level radioactive waste disposal containers, article, July 1, 1991; California. (digital.library.unt.edu/ark:/67531/metadc624172/: accessed October 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.