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Structure and mechanical properties of microcrystalline alloys of the system Ni−Fe−Zr

  • Alloys Quenched from the Liquid State
  • Published:
Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Alloys of the system Ni−Fe−Zr with an atomic fraction of zirconium not more than 0.5% solidify from the melt by a cellular mechanism, but with a content of 3–8.5% Zr solidification from the melt occurs by a dendritic mechanism.

  2. 2.

    The crystallographic texture of Ni−Fe−Zr-alloys is characterized by orientations {100}<OVW>.

  3. 3.

    During annealing at temperatures up to 900°C grain growth in alloys with ≤0.5% Zr does not occur.

  4. 4.

    On alloying with zirconium there is strengthening of microcrystalline Ni−Fe-alloys which is due to refinement of the structure and the presence of Ni5Zr phase particles. The maximum microhardness (1250 N) is obtained for alloy Ni-15% Fe-8.5% Zr after annealing at 600°C. The maximum ultimate breaking strength (σf = 1000 N/mm2) occurs for alloy Ni-15% Fe-3% Zr after annealing at 900°C.

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Literature cited

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Authors
  1. O. M. Zhigalina
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  2. V. V. Sosnin
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  3. A. M. Glezer
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Additional information

I. P. Bardin Institute of Ferrous Metallurgy, Moscow. Translated from Metallovedenie i Termicheskayq Obrabotka Metallov, No. 4, pp. 25–28, April, 1992.

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Zhigalina, O.M., Sosnin, V.V. & Glezer, A.M. Structure and mechanical properties of microcrystalline alloys of the system Ni−Fe−Zr. Met Sci Heat Treat 34, 263–268 (1992). https://doi.org/10.1007/BF00702547

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  • DOI: https://doi.org/10.1007/BF00702547

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