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Development of tungsten-carbide-base corrosion-resistant composite materials with a binder of PKh8N15 stainless steel

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Soviet Powder Metallurgy and Metal Ceramics Aims and scope

Conclusions

The bend strength of VNS20 and VNS32 composites is determined by the quantity of η1phase and depends little upon the content of binder (PKhl8N15 steel). The hardness, on the other hand, depends substantially upon both the η1-phase content and upon the quantity of binder.

The VNS20 and VNS32 composites sintered at the temperatures of the start of formation of the liquid phase in the tungsten carbide—PKhl8N15 steel system, when compaction is completed and the rate of formation of η1-phase is still insignificant, have the optimum properties.

With a satisfactory level of physicomechanical properties, the VNS20 and VNS32 composites show high corrosion resistance in a medium of nitrine with additions of nitric acid.

An increase in the strength of VNS type composites may be obtained by reducing the diffusion reaction of tungsten carbide with stainless steel.

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Authors and Affiliations

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

    V. P. Bondarenko & A. Yu. Ganopol'skii

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  1. V. P. Bondarenko
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  2. A. Yu. Ganopol'skii
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Translated from Poroshkovaya Metallurgiya, No. 5(281), pp. 69–75, May, 1986.

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Bondarenko, V.P., Ganopol'skii, A.Y. Development of tungsten-carbide-base corrosion-resistant composite materials with a binder of PKh8N15 stainless steel. Powder Metall Met Ceram 25, 415–419 (1986). https://doi.org/10.1007/BF00813958

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  • DOI: https://doi.org/10.1007/BF00813958

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