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Influence of nonmetallic inclusions on endurance of percussive machines

  • Science of Mining Machines
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Abstract

Based on the results of the industrial testing of downhole hammers with underreamers and on the analysis of the influence exerted by nonmetallic inclusions in steel on the steel fatigue endurance under the impact load, it has been shown that the stringer-type nonmetallics greatly aggravate the steel endurance both under compression and bending, although have no effect on the steel hardness and strength indexes.

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References

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Authors and Affiliations

  1. N.A. Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, Krasny pr. 54, Novosibirsk, 630091, Russia

    A. A. Repin, S. E. Alekseev & A. M. Teplykh

  2. Novosibirsk State Technical University, Pr. K. Marksa 20, Novosibirsk, 630092, Russia

    A. I. Popelyukh

Authors
  1. A. A. Repin
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  2. S. E. Alekseev
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  3. A. I. Popelyukh
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  4. A. M. Teplykh
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Additional information

Original Russian Text © A.A. Repin, S.E. Alekseev, A.I. Popelyukh, A.M. Teplykh, 2011, published in Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2011, No. 6, pp. 74–83.

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Repin, A.A., Alekseev, S.E., Popelyukh, A.I. et al. Influence of nonmetallic inclusions on endurance of percussive machines. J Min Sci 47, 798–806 (2011). https://doi.org/10.1134/S1062739147060128

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  • DOI: https://doi.org/10.1134/S1062739147060128

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