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Observations on the role of oxide scales in high-temperature erosion-corrosion of alloys

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Abstract

The results are presented of exposure to a controlled high-temperature erosive gas stream of a series of alloys, which were selected to represent the range of microstructures and mechanical properties available in commercial high-temperature alloys. Analysis of the kinetic and morphological data suggested that the high-temperature oxidation behavior of a given alloy plays a very important role in determining its erosion-corrosion behavior under the conditions studied. In terms of relative behavior, alloys which are weak but ductile at temperature, and which form tenacious oxide scales, exhibited the highest resistance to high-temperature erosion-corrosion. Simple models were developed to describe the expected interaction between high-temperature oxidation and erosion.

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Authors and Affiliations

  1. Battelle, Columbus Laboratories, 505 King Avenue, 43201, Columbus, Ohio

    I. G. Wright & V. Nagarajan

  2. Electric Power Research Institute, 3512 Hillview Avenue, 94303, Palo Alto, Calif.

    J. Stringer

Authors
  1. I. G. Wright
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  2. V. Nagarajan
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  3. J. Stringer
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Wright, I.G., Nagarajan, V. & Stringer, J. Observations on the role of oxide scales in high-temperature erosion-corrosion of alloys. Oxid Met 25, 175–199 (1986). https://doi.org/10.1007/BF00655896

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  • DOI: https://doi.org/10.1007/BF00655896

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