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Modeling solid-particle erosion of ductile alloys

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Abstract

A model for solid-particle erosion behavior of ductile alloys is presented. The model incorporates the mechanical properties of the alloys at the deformation conditions associated with solid-particle erosion processes (i.e., temperature and strain-rate conditions), as well as the evolution of these properties during the erosion-induced deformations. An erosion parameter was formulated based on consideration of the energy loss during erosion and incorporates the material’s hardness, along with the high-strain-rate stress-strain response of the alloy. This erosion parameter shows a good correlation to experimentally measured erosion rates for a variety of industrially important materials. A methodology is presented to determine the proper mechanical properties to incorporate into the erosion parameter based on a physical model of the erosion mechanism in ductile materials.

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Authors and Affiliations

  1. A.T. Kearney, Inc., 60609, Chicago, IL

    B. F. Levin (Staff Engineer)

  2. the Mechanical and Aerospace Engineering Department, University of California, San Diego, 92093-0411, La Jolla, CA

    K. S. Vecchio (Associate Professor of Materials Science)

  3. Energy Research Center, Lehigh University, 18015, Bethlehem, PA

    J. N. DuPont (Research Scientist)

  4. Materials Science and Engineering Department, Whitaker Lab, Lehigh University, 18015, Bethlehem, PA

    A. R. Marder (Professor)

Authors
  1. B. F. Levin
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  2. K. S. Vecchio
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  3. J. N. DuPont
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  4. A. R. Marder
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Levin, B.F., Vecchio, K.S., DuPont, J.N. et al. Modeling solid-particle erosion of ductile alloys. Metall Mater Trans A 30, 1763–1774 (1999). https://doi.org/10.1007/s11661-999-0175-9

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  • DOI: https://doi.org/10.1007/s11661-999-0175-9

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