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Stability of state of rapidly quenched alloys of the system Fe−Si−B

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

Conclusions

  1. 1.

    Increased silicon and boron content of amorphous alloys with 15–30% (B+Si) causes a rise of the crystallization temperature, and consequently, greater stability of the metastable state.

  2. 2.

    The principal phase in the crystallization of amorphous alloys of the system Fe−Si−B is α-ferrite. As a rule, the crystallization of amorphous alloys proceeds in several stages and ends with the formation of a mixture of α-ferrite and the metastable binary phases Fe3Si; Fe3B; Fe26B6. Ternary and binary equilibrium compounds form solely after lengthy annealing.

  3. 3.

    When rapidly quenched alloys are heat-treated, highly disperse structures form. A fine-grained structure and correspondingly high microhardness are retained within wide ranges of temperatures and holding times.

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Literature cited

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Authors
  1. Yu. V. Efimov
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  2. L. N. Snigir'
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  3. G. G. Mukhin
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  4. V. N. Dmitriev
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Additional information

A. A. Baikov Institute of Metallurgy. N. E. Bauman Moscow Technical University. Cheboksary Industrial Tractor Plant. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 12, pp. 15–19, December, 1988.

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Efimov, Y.V., Snigir', L.N., Mukhin, G.G. et al. Stability of state of rapidly quenched alloys of the system Fe−Si−B. Met Sci Heat Treat 30, 903–907 (1988). https://doi.org/10.1007/BF00775309

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  • DOI: https://doi.org/10.1007/BF00775309

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