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Effect of magnetic treatment on the microstructure and strength of WC–Co detonation-sprayed coatings

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Powder Metallurgy and Metal Ceramics Aims and scope

The influence of magnetic treatment on fracture of the WC–Co detonation-sprayed coating–St3 steel substrate system is studied in bending tests. It is established that magnetic treatment leads to the redistribution of elements at the coating–substrate interface. It is shown that magnetic treatment improves the mechanical properties of the coating–substrate system: plastic strain of the system increases from 0.15% to 0.35% when coating starts cracking and stresses developed at fracture increase from 700 to 1300 MPa. The improvement of properties is due to better adhesion at the coating–substrate interface resulting from diffusion-controlled redistribution of elements during magnetic treatment.

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Authors and Affiliations

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

    V. E. Oliker, Yu. N. Podrezov, I. T. Yarmatov, T. Ya. Gridasova, E. F. Grechishkin & A. G. Gavrilenko

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  1. V. E. Oliker
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  2. Yu. N. Podrezov
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  3. I. T. Yarmatov
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  4. T. Ya. Gridasova
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  5. E. F. Grechishkin
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  6. A. G. Gavrilenko
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Correspondence to Yu. N. Podrezov.

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Deceased (V. E. Oliker and T. Ya. Gridasova).

Translated from Poroshkovaya Metallurgiya, Vol. 51, No. 7–8 (486), pp. 136–144, 2012.

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Oliker, V.E., Podrezov, Y.N., Yarmatov, I.T. et al. Effect of magnetic treatment on the microstructure and strength of WC–Co detonation-sprayed coatings. Powder Metall Met Ceram 51, 485–490 (2012). https://doi.org/10.1007/s11106-012-9458-6

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  • DOI: https://doi.org/10.1007/s11106-012-9458-6

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