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Synthesis, characterization and amorphization of mechanically alloyed Fe75Si12Ti6B7 and Fe73Si15Ti5B7 powders

Identifikátory výsledku

  • Kód výsledku v IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F22%3A00358686" target="_blank" >RIV/68407700:21340/22:00358686 - isvavai.cz</a>

  • Výsledek na webu

    <a href="https://doi.org/10.1007/s10853-022-07404-4" target="_blank" >https://doi.org/10.1007/s10853-022-07404-4</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/s10853-022-07404-4" target="_blank" >10.1007/s10853-022-07404-4</a>

Alternativní jazyky

  • Jazyk výsledku

    angličtina

  • Název v původním jazyce

    Synthesis, characterization and amorphization of mechanically alloyed Fe75Si12Ti6B7 and Fe73Si15Ti5B7 powders

  • Popis výsledku v původním jazyce

    In this study, Fe75Si12Ti6B7 and Fe73Si15Ti5B7 (wt. %) alloy powders were synthesized from pure elemental powders by a mechanical alloying (MA) method under argon atmosphere. The evolution in particles morphology, chemical composition, crystalline structure, magnetic and hyperfine proprieties of the mixture elements during MA(0–80 h) was investigated by scanning electron microscopy attached with energy-dispersive spectroscopy, X-ray diffraction (XRD), vibrating sample magnetometer and Mössbauer spectroscopy (MS). The Rietveld refinement of the XRD pattern of the samples milled 5 h shows the formation of several structures: Fe3Si, α-Fe nanostructured, Fe2Ti and Fe2B, in addition, that the structure became much more amorphous together with increasing milling time at 80 h. The thermal stability of powders milled was characterized by differential scanning calorimetry (DSC). The annealing of samples milled 80 h shows that the crystallization of the amorphous phases and the activation energy determined by using Kissinger's equation was 462.23 ± 16.11 kJ mol-1 and 798.43 ± 16.12 kJ mol-1 for the Fe73Si15Ti5B7 and Fe75Si12Ti6B7, respectively. Moreover, the results from XRD and DSC for 80 h of milling were approved by the Mössbauer spectroscopy, and the spectra revealed that the sample Fe73Si15Ti5B7 is fully amorphous, but the sample Fe75Si12Ti6B7 still contains some of Fe with a 2.8% fraction non- detected by XRD. The saturation magnetization (Ms) and coercivity values were of about 151 emu/g, 38.5 G for Fe73Si15Ti5B7 and 171.6 emu/g, 35 G for Fe75Si12Ti6B7, respectively, after 80 h of milling.

  • Název v anglickém jazyce

    Synthesis, characterization and amorphization of mechanically alloyed Fe75Si12Ti6B7 and Fe73Si15Ti5B7 powders

  • Popis výsledku anglicky

    In this study, Fe75Si12Ti6B7 and Fe73Si15Ti5B7 (wt. %) alloy powders were synthesized from pure elemental powders by a mechanical alloying (MA) method under argon atmosphere. The evolution in particles morphology, chemical composition, crystalline structure, magnetic and hyperfine proprieties of the mixture elements during MA(0–80 h) was investigated by scanning electron microscopy attached with energy-dispersive spectroscopy, X-ray diffraction (XRD), vibrating sample magnetometer and Mössbauer spectroscopy (MS). The Rietveld refinement of the XRD pattern of the samples milled 5 h shows the formation of several structures: Fe3Si, α-Fe nanostructured, Fe2Ti and Fe2B, in addition, that the structure became much more amorphous together with increasing milling time at 80 h. The thermal stability of powders milled was characterized by differential scanning calorimetry (DSC). The annealing of samples milled 80 h shows that the crystallization of the amorphous phases and the activation energy determined by using Kissinger's equation was 462.23 ± 16.11 kJ mol-1 and 798.43 ± 16.12 kJ mol-1 for the Fe73Si15Ti5B7 and Fe75Si12Ti6B7, respectively. Moreover, the results from XRD and DSC for 80 h of milling were approved by the Mössbauer spectroscopy, and the spectra revealed that the sample Fe73Si15Ti5B7 is fully amorphous, but the sample Fe75Si12Ti6B7 still contains some of Fe with a 2.8% fraction non- detected by XRD. The saturation magnetization (Ms) and coercivity values were of about 151 emu/g, 38.5 G for Fe73Si15Ti5B7 and 171.6 emu/g, 35 G for Fe75Si12Ti6B7, respectively, after 80 h of milling.

Klasifikace

  • Druh

    J<sub>imp</sub> - Článek v periodiku v databázi Web of Science

  • CEP obor

  • OECD FORD obor

    20501 - Materials engineering

Návaznosti výsledku

  • Projekt

  • Návaznosti

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Ostatní

  • Rok uplatnění

    2022

  • Kód důvěrnosti údajů

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Údaje specifické pro druh výsledku

  • Název periodika

    Journal of Materials Science

  • ISSN

    0022-2461

  • e-ISSN

    1573-4803

  • Svazek periodika

    57

  • Číslo periodika v rámci svazku

    June

  • Stát vydavatele periodika

    US - Spojené státy americké

  • Počet stran výsledku

    16

  • Strana od-do

    12600-12615

  • Kód UT WoS článku

    000819283800002

  • EID výsledku v databázi Scopus

    2-s2.0-85133201151