Structural changes in amorphous Fe 41 Ni 40 Zr 7 B 12  alloy under heat treatment | Zendy

Kostyrya S. | Zendy; Śniadecki Z. | Zendy; Idzikowski B. | Zendy

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Structural changes in amorphous Fe 41 Ni 40 Zr 7 B 12 alloy under heat treatment

Author(s) -

Kostyrya S.,

Śniadecki Z.,

Idzikowski B.

Publication year - 2005

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.200460380

Subject(s) - crystallization , differential scanning calorimetry , supercooling , materials science , alloy , amorphous metal , enthalpy , melt spinning , amorphous solid , atmospheric temperature range , activation energy , crystallography , thermodynamics , glass transition , analytical chemistry (journal) , metallurgy , spinning , chemistry , composite material , polymer , chromatography , physics

The Fe 41 Ni 40 Zr 7 B 12 alloy has been obtained by a melt–spinning technique in the glassy state. It revealed a narrow supercooled liquid temperature range Δ T x of about 16 K. The structural behaviour vs. temperature of the alloy has been examined by differential scanning calorimetry (DSC) under continuous heating (in the wide range of heating rates: 10–50 K/s). The enthalpy of crystallization Δ H is about 125 J/g and we have found that the change in Δ H with the heating rate is negligible and does not exceed 10%. Activation energy of crystallization was estimated by Kissinger's method to be about 296 kJ/mol for the first crystallization stage. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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