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Protective properties of detonation-deposited coatings from powders alloyed with aluminum and boron

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Conclusions

The corrosion resistance of detonation-deposited coatings from aluminum- and boron-containing PKh20N80 alloy, nickel, and stainless steel powders markedly surpasses that of constructional steel. The electrochemical properties of such detonation-deposited coatings are determined by their composition and thickness. The basis material is effectively protected against corrosion by 600-Mμm-thick coatings. Under conditions of corrosive and mechanical wear detonation-deposited coatings from aluminum- and boron-containing 20% Cr-80% Ni alloy, nickel, and stainless steel powders operate satisfactorily under loads of not more than 5 MPa. The results of service tests have demonstrated the usefulness of detonation-deposited coatings from alloyed powders. Coating with powder of composition III was found to increase the useful life of certain parts of spraying equipment two to two and a half times.

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Authors and Affiliations

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

    V. Kh. Kadyrov, I. E. Polishchuk & A. M. Khairutdinov

Authors
  1. V. Kh. Kadyrov
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  2. I. E. Polishchuk
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  3. A. M. Khairutdinov
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Translated from Poroshkovaya Metallurgiya, No. 8 (272), pp. 52–55, August, 1985.

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Kadyrov, V.K., Polishchuk, I.E. & Khairutdinov, A.M. Protective properties of detonation-deposited coatings from powders alloyed with aluminum and boron. Powder Metall Met Ceram 24, 628–631 (1985). https://doi.org/10.1007/BF00791953

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  • DOI: https://doi.org/10.1007/BF00791953

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