Applications of molecular spectroscopy methods to the study of metal dusting corrosion.

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The interrogation of molecular vibrations in crystalline and amorphous solids by Raman and infrared spectroscopy methods can provide a wealth of revealing information concerning the composition, morphology, and spatial distribution of the extant phases. When these measurements are made in situ, such as during processes taking place in extreme environments (e.g., elevated temperature and pressure, oxidizing or reducing), where phases are evolving and/or dissipating, it is also possible to derive kinetic and mechanistic parameters. This paper summarizes the possibilities and limitations involved in using various types of Raman and infrared measurement methods to study metal dusting corrosion. Applications of conventional, ... continued below

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15 pages

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Maroni, V. A. March 11, 2002.

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Description

The interrogation of molecular vibrations in crystalline and amorphous solids by Raman and infrared spectroscopy methods can provide a wealth of revealing information concerning the composition, morphology, and spatial distribution of the extant phases. When these measurements are made in situ, such as during processes taking place in extreme environments (e.g., elevated temperature and pressure, oxidizing or reducing), where phases are evolving and/or dissipating, it is also possible to derive kinetic and mechanistic parameters. This paper summarizes the possibilities and limitations involved in using various types of Raman and infrared measurement methods to study metal dusting corrosion. Applications of conventional, microprobe, and imaging molecular spectroscopy approaches are discussed, with examples taken directly from metal dusting investigations. Some perspective is offered concerning the origin of observable condensed matter phonons emanating from the surface films and the carbon particles that accompany carbon dusting on various types of metals and alloys. Concepts for the systematic investigation of carbon dusting chemistry using molecular spectroscopy methods are presented.

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15 pages

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  • International Workshop on Metal Dusting, Argonne, IL (US), 09/26/2001--09/28/2001

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  • Report No.: ANL/CMT/CP-106007
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 793056
  • Archival Resource Key: ark:/67531/metadc741727

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  • March 11, 2002

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  • Oct. 19, 2015, 7:39 p.m.

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  • March 11, 2016, 12:50 p.m.

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Maroni, V. A. Applications of molecular spectroscopy methods to the study of metal dusting corrosion., article, March 11, 2002; Illinois. (digital.library.unt.edu/ark:/67531/metadc741727/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.