Single-curve multivariate kinetic analysis: Application to the crystallization of commercial Fe-Si-Cr-B amorphous alloys

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F21%3A39918030" target="_blank" >RIV/00216275:25310/21:39918030 - isvavai.cz</a>
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S0925838821030814?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0925838821030814?via%3Dihub</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jallcom.2021.161672" target="_blank" >10.1016/j.jallcom.2021.161672</a>

Result language
angličtina
Original language name
Single-curve multivariate kinetic analysis: Application to the crystallization of commercial Fe-Si-Cr-B amorphous alloys
Original language description
Crystallization behavior of three commercial Fe-Si-Cr-B amorphous alloys (AFSC, SAP-2KC and AW2-08) was investigated by means of differential scanning calorimetry, optical and scanning electron microscopies, and X-ray diffraction analysis. The complex crystallization kinetics was described using the transformation mechanism of multiple overlapping independent processes following the autocatalytic Sestak-Berggren model. Kinetic parameters of this reaction scheme were determined using the newly developed method of single-curve multivariate kinetic analysis (sc-MKA). Accuracy of the kinetic predictions made by this method was confirmed via combined experiment consisting of low-temperature isothermal annealing followed by non-isothermal scan. The sc-MKA method accurately predicted the degrees of conversion achieved during the annealing. In addition, for AFSC and SAP-2KC the method also very well predicted the actual complex growth rate occurring during the consequent heating. Merits of the combined iso-/nonisothermal temperature programs were discussed with respect to the unexpected conversion-dependent change of crystallization kinetics found for the AW2-08 amorphous alloy.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10403 - Physical chemistry

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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