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Nitrogen implantation in tungsten carbides

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Abstract

In order to investigate some properties of nitrogen implantation in tungsten carbides, massive carbides WC and W2C were prepared by bulk diffusion of carbon in pure tungsten. Isothermal analysis of W-C diffusion couples was performed to determine the optimal conditions for their preparation. Nitrogen implantation was executed with an isotope separator. The samples were analysed by using the15N (p, αγ)12C nuclear reaction and were wear tested. The increase of wear resistance was shown to be effective and the importance of parameters such as fluence or loading conditions was underlined. Nitrogen migration during abrasive wear occurred on a very small scale and was dependent on the nature of the carbide.

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Fayeulle, S., Treheux, D., Guiraldenq, P. et al. Nitrogen implantation in tungsten carbides. J Mater Sci 21, 1814–1818 (1986). https://doi.org/10.1007/BF01114744

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  • DOI: https://doi.org/10.1007/BF01114744

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