Physics of the Solid State

, Volume 57, Issue 2, pp 266–269 | Cite as

Crystallization of amorphous Zr-Be alloys



The thermal stability and structure of binary amorphous Zr100 − xBex alloys have been studied using differential scanning calorimetry and neutron diffraction over a wide concentration range (30 ≤ x ≤ 65). The amorphous alloys have been prepared by rapid quenching from melt. The studied amorphous system involves the composition range around the eutectic composition with boundary phases α-Zr and ZrBe2. It has been found that the crystallization of alloys with low beryllium contents (“hypoeutectic” alloys with x ≤ 40) proceeds in two stages. Neutron diffraction has demonstrated that, at the first stage, α-Zr crystallizes and the remaining amorphous phase is enriched to the eutectic composition; at the second stage, the alloy crystallizes in the α-Zr and ZrBe2 phases. At higher beryllium contents (“hypereutectic” alloys), one phase transition of the amorphous phase to a mixture of the α-Zr and ZrBe2 phases has been observed. The concentration dependences of the crystallization temperature and activation energy have been revealed.


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Copyright information

© Pleiades Publishing, Ltd. 2015

Authors and Affiliations

  • E. A. Golovkova
    • 1
  • A. V. Surkov
    • 1
  • G. F. Syrykh
    • 1
  1. 1.National Research Centre “Kurchatov Institute,”MoscowRussia

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