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Similarity criteria in the erosion theory of brittle materials in abrasive particle flow

  • REFRACTORY AND CERAMIC MATERIALS
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Powder Metallurgy and Metal Ceramics Aims and scope

Experimental data on the erosion of brittle materials in abrasive particle flow are generalized on the basis of similarity and dimension theory using four similarity criteria. These criteria represent the influence of strength, fracture toughness, dynamic and total pressures resulting from the particle-target impact, and target temperature. The volume erosion rate is represented as power dependence of the similarity criteria. It is shown that strength characteristics and total pressure, which results from wave damping in the particle-target impact, are of major importance in the erosion of brittle materials in addition to the impact velocity. Dynamic pressure and temperature are of minor importance.

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Authors and Affiliations

  1. Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, Kiev, Ukraine

    G. V. Tkachenko & B. A. Uryukov

Authors
  1. G. V. Tkachenko
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  2. B. A. Uryukov
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Correspondence to B. A. Uryukov.

Additional information

Translated From Poroshkovaya Metallurgiya, Vol. 47, No. 9–10 (463), Pp. 89–94, 2008.

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Tkachenko, G.V., Uryukov, B.A. Similarity criteria in the erosion theory of brittle materials in abrasive particle flow. Powder Metall Met Ceram 47, 572–576 (2008). https://doi.org/10.1007/s11106-008-9060-0

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  • DOI: https://doi.org/10.1007/s11106-008-9060-0

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