Grazing incidence X-ray diffraction and transmission electron microscopy studies on the oxide formation of molybdenum in a water vapor environment

Ming Tang, Andrew T. Nelson, Elizabeth S. Wood, Stuart A. Maloy, Ying Bing Jiang

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

To evaluate the feasibility of molybdenum as light water reactor nuclear fuel cladding, the oxidation behavior was tested in water vapor at elevated temperatures. In this study, we present experimental results on the oxidation and volatilization of molybdenum using various characterization techniques including grazing incidence X-ray diffraction and transmission electron microscopy. After oxidation testing in water vapor at 600 °C, experiment results show the formation of both MoO3 and MoO2. With the increasing temperature, MoO2 is the final oxidation product between 800 and 1200 °C, and MoO3 is volatile at these temperatures.

Original languageEnglish
Pages (from-to)49-53
Number of pages5
JournalScripta Materialia
Volume120
DOIs
StatePublished - Jul 15 2016
Externally publishedYes

Funding

This work was supported by the U.S. Department of Energy, Office of Nuclear Energy, Fuel Cycle Research and Development program .

Keywords

  • GIXRD
  • Molybdenum
  • Oxidation
  • TEM
  • Water vapor

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