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Plasma-sprayed coatings for the piston rings of automobile and tractor engines

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Soviet Powder Metallurgy and Metal Ceramics Aims and scope

Conclusions

  1. 1.

    The chromium-plating process currently used in the automotive industry for the protection of piston rings suffers from serious disadvantages: It is time-consuming and expensive, necessitates purification of effluent waters, and gives coatings which do not ensure the required engine life.

  2. 2.

    The wear resistance of piston rings with spray-deposited molybdenum coatings, which are extensively employed abroad, is only about one-third to one-half that of chromium-plated piston rings.

  3. 3.

    The process of plasma-spraying of materials in rod form is characterized by comparatively high productivity and stability.

  4. 4.

    Piston rings with plasma-sprayed 11Kh18MVD and 4Kh13 steel coatings improve engine performance and decrease running costs. Their wear resistance is comparable with that of chromium-plated piston rings, and it is therefore recommended that they should replace the latter under mass production conditions in the automotive industry.

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Literature cited

  1. R. V. Kugel', “Effect of chromium plating on piston ring and cylinder wear,” Avtomob. Prom., No. 4, 1–6 (1947).

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  2. H. F. Prasse, H. E. MacCormick, and R. D. Anderson, “Automobile piston rings: 1967. State of the art,” Soc. Automotive Engr. Preprint No. 670019 (1967).

  3. Ekspress Inf., Porshnevye Gazoturbinnye Dvigateli, No. 12, Ref. 79 (1967).

  4. B. I. Chaika, I. M. Fedorchenko, V. A. Danilenko, et al., “Protective high-temperature coatings,” Transactions of the Fifth All-Union Conference on Oxidation-Resistant Coatings [in Russian], Leningrad (1972), pp. 90–95.

  5. Ekspress Inf., Porshnevye Gazoturbinnye Dvigateli, No. 18, Ref. 130 (1968).

  6. Ref. Zh., Dvigateli Vnutrennego Sgoraniya, 12.39.44 (1970).

  7. L. I. Gotlib, Plasma Spray Deposition [in Russian], Izd. TsINTIKhIMNEFTEMASh, Moscow (1970).

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Authors and Affiliations

  1. Institute of Materials Science, Academy of Sciences of the Ukrainian SSR, Ukraine

    B. I. Chaika, I. M. Fedorchenko, P. N. Lapko, E. I. Ishchenko, V. P. Moldavanov, Ya. M. Beizerman, A. D. Sokolov, A. R. Pikman & Z. M. Medovoi

  2. Odessa Design and Production Institute of Piston Rings, USSR

    B. I. Chaika, I. M. Fedorchenko, P. N. Lapko, E. I. Ishchenko, V. P. Moldavanov, Ya. M. Beizerman, A. D. Sokolov, A. R. Pikman & Z. M. Medovoi

Authors
  1. B. I. Chaika
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  2. I. M. Fedorchenko
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  3. P. N. Lapko
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  4. E. I. Ishchenko
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  5. V. P. Moldavanov
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  6. Ya. M. Beizerman
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  7. A. D. Sokolov
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  8. A. R. Pikman
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  9. Z. M. Medovoi
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Additional information

Translated from Poroshkovaya Metallurgiya, No. 3(183), pp. 86–91, March, 1978.

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Chaika, B.I., Fedorchenko, I.M., Lapko, P.N. et al. Plasma-sprayed coatings for the piston rings of automobile and tractor engines. Powder Metall Met Ceram 17, 235–239 (1978). https://doi.org/10.1007/BF00791436

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  • DOI: https://doi.org/10.1007/BF00791436

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