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The effect of zirconium on the microhardness of ferrite in medium-carbon steel

  • Theory of Heat Treatment
  • Published:
Metal Science and Heat Treatment of Metals Aims and scope

Conclusions

  1. 1.

    The microhardness of martensite of a medium0carbon steel with 0.1–0.3% Zr is higher than that of a similar but Zr-free, martensite. The microhardness of the ferrite in a medium-carbon steel is not affected by zirconium.

  2. 2.

    The claim in [2] that ferrite can dissolve up to 0.3% Zr is evidently in error. Our data confirm the results in [3] indicating that the limiting solubility of zirconium in α-iron is 0.02%.

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References

  1. G.A. Torpanova,Stal, vol. 19 1959, No. 8, 742–4 [Stal’ in English, 1959, No. 8, 619–21].

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  2. T.E. Allibone and C. Sykes,Journal Institute of Metals, vol. 37 1928, 173.

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  3. E.T. Hayes, A.H. Roberson and W.L. O'Brien,Trans. ASM, vol. 43, 1951, 888–905.

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Authors
  1. G. A. Torpanova
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Central Iron and Steel Research Institute

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Torpanova, G.A. The effect of zirconium on the microhardness of ferrite in medium-carbon steel. Met Sci Heat Treat 2, 203–206 (1960). https://doi.org/10.1007/BF00681173

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  • DOI: https://doi.org/10.1007/BF00681173

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