Thermal Behavior and Crystallization of Fe_{81 - x}Co_{x}Zr_7Nb_2B_{10} (x = 2, 4, 6) Alloys

• Authors: W. Yu , Y. Sun , L. Liu , L. Dong , Z. Hua
• Languages of publication: EN

Abstracts

EN

Thermal behavior and microstructure of Fe_{81 - x}Co_{x}Zr_7Nb_2B_{10} (x = 2, 4, 6) alloys were investigated by differential thermal analysis and X-ray diffraction. Both the supercooled liguid region Δ T_{x} and the first crystallization peak temperature T_{p1} are the lowest and the span Δ T_{p} between T_{p1} and T_{p2} is the highest when 4 at.% Fe is substituted by Co. The crystallization activation energy E_{p1} for Fe_{75}Co_6Zr_7Nb_2B_{10} alloy is the minimum for the heating rates ν = 5-20 K/min. E_{p1} for Fe_{77}Co_4Zr_7Nb_2B_{10} alloy is the minimum for the heating rates ν = 20 - 50 K/min. The crystallization processes of Fe_{81 - x}Co_{x}Zr_7Nb_2B_{10} (x = 2, 4, 6) amorphous alloys are similar on the whole, which is as follows: amorphous → amorphous + α-Fe(Co) → α-Fe(Co) + Fe_3Zr + Fe_2Nb_{0.4}Zr_{0.6}.

Keywords

EN

65.60.+a; 61.43.Dq

Discipline

• 65.60.+a: Thermal properties of amorphous solids and glasses: heat capacity, thermal expansion, etc.
• 61.43.Dq: Amorphous semiconductors, metals, and alloys

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2011
• Volume: 120
• Issue: 6
• Pages: 1034-1036

Dates

published

2011-12

received

2011-03-21

(unknown)

2011-10-19

(unknown)

2011-11-09

Contributors

author

W. Yu

• Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Siping 136000, Jilin, P.R. China

author

Y. Sun

• Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Siping 136000, Jilin, P.R. China

author

L. Liu

• Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Siping 136000, Jilin, P.R. China

author

L. Dong

• Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Siping 136000, Jilin, P.R. China

author

Z. Hua

• Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Siping 136000, Jilin, P.R. China

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Identifiers

DOI

10.12693/APhysPolA.120.1034