Thermally induced crystallization of amorphous Fe40Ni40P14B6 alloy
Samo za registrovane korisnike
2015
Autori
Vasić, Milica M.Blagojević, Vladimir A.
Begović, Nebojša
Zak, Tomas
Pavlović, Vladimir
Minić, Dragica M.
Članak u časopisu (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentuApstrakt
The crystallization mechanism and kinetics of Fe40Ni40P14B6 amorphous alloy were studied under non-isothermal conditions. Thermal stabilization of this alloy manifests in DSC through two complex peaks, corresponding to crystallization and recrystallization, respectively. The complex crystallization DSC peak was deconvoluted into individual steps corresponding to crystallization of individual phases, where the results using both Gaussian-Lorentzian cross-product and Fraser-Suzuki function were compared. It was determined that the values of kinetic triplets of the individual steps did not exhibit any significant difference, depending on the deconvolution function. Anisotropic growth was indicated to be the prevailing type of impingement for all crystallization steps. Using the calculated values of the respective kinetic triplets and the mechanisms determined from the value of Avrami exponent, distinct values of activation energies for nucleation and crystal growth for crystallization of ...each individual phase were calculated, showing significantly higher values for nucleation than those for crystal growth. Alloy samples treated non-isothermally in the DSC cell exhibit inhomogeneous surface morphology with highly granulated structure dependent on heating rate.
Ključne reči:
Amorphous alloy / Crystallization / Kinetics / Deconvolution / Impingement / Surface morphologyIzvor:
Thermochimica Acta, 2015, 614, 129-136Izdavač:
- Elsevier Science Bv, Amsterdam
Finansiranje / projekti:
- Usmerena sinteza, struktura i svojstva multifunkcionalnih materijala (RS-MESTD-Basic Research (BR or ON)-172057)
DOI: 10.1016/j.tca.2015.06.015
ISSN: 0040-6031
WoS: 000358809900018
Scopus: 2-s2.0-84933524732
Institucija/grupa
Poljoprivredni fakultetTY - JOUR AU - Vasić, Milica M. AU - Blagojević, Vladimir A. AU - Begović, Nebojša AU - Zak, Tomas AU - Pavlović, Vladimir AU - Minić, Dragica M. PY - 2015 UR - http://aspace.agrif.bg.ac.rs/handle/123456789/3703 AB - The crystallization mechanism and kinetics of Fe40Ni40P14B6 amorphous alloy were studied under non-isothermal conditions. Thermal stabilization of this alloy manifests in DSC through two complex peaks, corresponding to crystallization and recrystallization, respectively. The complex crystallization DSC peak was deconvoluted into individual steps corresponding to crystallization of individual phases, where the results using both Gaussian-Lorentzian cross-product and Fraser-Suzuki function were compared. It was determined that the values of kinetic triplets of the individual steps did not exhibit any significant difference, depending on the deconvolution function. Anisotropic growth was indicated to be the prevailing type of impingement for all crystallization steps. Using the calculated values of the respective kinetic triplets and the mechanisms determined from the value of Avrami exponent, distinct values of activation energies for nucleation and crystal growth for crystallization of each individual phase were calculated, showing significantly higher values for nucleation than those for crystal growth. Alloy samples treated non-isothermally in the DSC cell exhibit inhomogeneous surface morphology with highly granulated structure dependent on heating rate. PB - Elsevier Science Bv, Amsterdam T2 - Thermochimica Acta T1 - Thermally induced crystallization of amorphous Fe40Ni40P14B6 alloy EP - 136 SP - 129 VL - 614 DO - 10.1016/j.tca.2015.06.015 ER -
@article{ author = "Vasić, Milica M. and Blagojević, Vladimir A. and Begović, Nebojša and Zak, Tomas and Pavlović, Vladimir and Minić, Dragica M.", year = "2015", abstract = "The crystallization mechanism and kinetics of Fe40Ni40P14B6 amorphous alloy were studied under non-isothermal conditions. Thermal stabilization of this alloy manifests in DSC through two complex peaks, corresponding to crystallization and recrystallization, respectively. The complex crystallization DSC peak was deconvoluted into individual steps corresponding to crystallization of individual phases, where the results using both Gaussian-Lorentzian cross-product and Fraser-Suzuki function were compared. It was determined that the values of kinetic triplets of the individual steps did not exhibit any significant difference, depending on the deconvolution function. Anisotropic growth was indicated to be the prevailing type of impingement for all crystallization steps. Using the calculated values of the respective kinetic triplets and the mechanisms determined from the value of Avrami exponent, distinct values of activation energies for nucleation and crystal growth for crystallization of each individual phase were calculated, showing significantly higher values for nucleation than those for crystal growth. Alloy samples treated non-isothermally in the DSC cell exhibit inhomogeneous surface morphology with highly granulated structure dependent on heating rate.", publisher = "Elsevier Science Bv, Amsterdam", journal = "Thermochimica Acta", title = "Thermally induced crystallization of amorphous Fe40Ni40P14B6 alloy", pages = "136-129", volume = "614", doi = "10.1016/j.tca.2015.06.015" }
Vasić, M. M., Blagojević, V. A., Begović, N., Zak, T., Pavlović, V.,& Minić, D. M.. (2015). Thermally induced crystallization of amorphous Fe40Ni40P14B6 alloy. in Thermochimica Acta Elsevier Science Bv, Amsterdam., 614, 129-136. https://doi.org/10.1016/j.tca.2015.06.015
Vasić MM, Blagojević VA, Begović N, Zak T, Pavlović V, Minić DM. Thermally induced crystallization of amorphous Fe40Ni40P14B6 alloy. in Thermochimica Acta. 2015;614:129-136. doi:10.1016/j.tca.2015.06.015 .
Vasić, Milica M., Blagojević, Vladimir A., Begović, Nebojša, Zak, Tomas, Pavlović, Vladimir, Minić, Dragica M., "Thermally induced crystallization of amorphous Fe40Ni40P14B6 alloy" in Thermochimica Acta, 614 (2015):129-136, https://doi.org/10.1016/j.tca.2015.06.015 . .