Crystallisation Kinetics of Co_{75-x}M_xSi_{15}B_{10} (M = Fe, Mn, Cr and x=0, 5) Amorphous Alloys

• Authors: N. Bayri , V. Kolat , T. Izgi , S. Atalay , H. Gencer , P. Sovak
• Languages of publication: EN

Abstracts

EN

In this study, the effect of Fe, Mn and Cr substitution for Co on the crystallization kinetics of amorphous Co_{75-x}M_xSi_{15}B_{10} (M = Fe, Mn and Cr; x=0 and 5) alloys were investigated. The broad diffraction peaks in the X-ray diffraction patterns for as-quenched ribbons indicated that all of the samples exhibit an amorphous structure. The activation energies of the alloys were calculated from differential thermal analysis data using the Kissinger, Ozawa and Augis-Bennett models. The increased activation energy for Fe, Mn and Cr doped samples indicated that the thermal stability and the crystallization kinetics were improved in the doped samples. The value of the Avrami exponent indicated that the crystallization is typical diffusion controlled three-dimensional growth for all of the samples.

Keywords

EN

75.50.Kj   65.40.-b   68.55.A-  

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2016
• Volume: 129
• Issue: 1
• Pages: 84-87

Dates

published

2016-01

received

2015-04-08

(unknown)

2015-11-11

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Identifiers

DOI

10.12693/APhysPolA.129.84