Reproduction of natural corrosion by accelerated laboratory testing methods

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Various laboratory corrosion tests have been developed to study the behavior of glass waste forms under conditions similar to those expected in an engineered repository. The data generated by laboratory experiments are useful for understanding corrosion mechanisms and for developing chemical models to predict the long-term behavior of glass. However, it is challenging to demonstrate that these test methods produce results that can be directly related to projecting the behavior of glass waste forms over time periods of thousands of years. One method to build confidence in the applicability of the test methods is to study the natural processes that ... continued below

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3 p.

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Luo, J. S.; Wronkiewicz, D. J.; Mazer, J. J. & Bates, J. K. May 1996.

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Description

Various laboratory corrosion tests have been developed to study the behavior of glass waste forms under conditions similar to those expected in an engineered repository. The data generated by laboratory experiments are useful for understanding corrosion mechanisms and for developing chemical models to predict the long-term behavior of glass. However, it is challenging to demonstrate that these test methods produce results that can be directly related to projecting the behavior of glass waste forms over time periods of thousands of years. One method to build confidence in the applicability of the test methods is to study the natural processes that have been taking place over very long periods in environments similar to those of the repository. In this paper, we discuss whether accelerated testing methods alter the fundamental mechanisms of glass corrosion by comparing the alteration patterns that occur in naturally altered glasses with those that occur in accelerated laboratory environments. This comparison is done by (1) describing the alteration of glasses reacted in nature over long periods of time and in accelerated laboratory environments and (2) establishing the reaction kinetics of naturally altered glass and laboratory reacted glass waste forms.

Physical Description

3 p.

Notes

INIS; OSTI as DE96009425

Source

  • National Academy of Sciences (NAS) on glass as a waste form and vitrification technology: an international workshop, Washington, DC (United States), 13 May 1996

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  • Other: DE96009425
  • Report No.: ANL/CMT/CP--89866
  • Report No.: CONF-9605162--2
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 230388
  • Archival Resource Key: ark:/67531/metadc665806

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • May 1996

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  • June 29, 2015, 9:42 p.m.

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  • Dec. 14, 2015, 4:53 p.m.

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Luo, J. S.; Wronkiewicz, D. J.; Mazer, J. J. & Bates, J. K. Reproduction of natural corrosion by accelerated laboratory testing methods, article, May 1996; Illinois. (digital.library.unt.edu/ark:/67531/metadc665806/: accessed April 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.