Investigation of heating rate effect on solid-phase interaction in Li<inf>2</inf>CO<inf>3</inf> - Fe<inf>2</inf>O<inf>3</inf> reaction mixture

Результат исследований: Материалы для книги/типы отчетовМатериалы для конференции

Выдержка

The influence of heating rate on solid-phase interaction in Li<inf>2</inf>CO<inf>3</inf> - Fe<inf>2</inf>O<inf>3</inf> reaction mixture was investigated by thermal analysis method. The powder mixture components were in the ratio corresponding to LiFe<inf>5</inf>O<inf>8</inf> ferrite. The ferrite synthesis was performed by thermal heating of mixture reagents in thermal analyzer up to 800 °C in air at various heating rates in the ranges (5-50) °C/min. The results showed that the heating rate affects the solid-phase interaction in Li<inf>2</inf>CO<inf>3</inf> - Fe<inf>2</inf>O<inf>3</inf> reaction mixture. The reaction phase formation is accompanied by heat endothermic effect, which was observed in the DSC curve in the form of a complex broad peak. For all samples, this complex peaks were decomposed into simpler peaks, and thereby, the enthalpies of the individual phase transitions were determined. It was shown that the heating rate affects the values of enthalpy and temperatures of heat endothermic effects, so that the high heating rate shifts the proceeding of reaction to higher temperatures.

Язык оригиналаАнглийский
Название основной публикацииIOP Conference Series: Materials Science and Engineering
ИздательInstitute of Physics Publishing
Том81
Издание1
DOI
СостояниеОпубликовано - 23 апр 2015
СобытиеInternational Scientific Conference on Radiation-Thermal Effects and Processes in Inorganic Materials, RTEP 2014 - Tomsk, Российская Федерация
Продолжительность: 3 ноя 20148 ноя 2014

Другое

ДругоеInternational Scientific Conference on Radiation-Thermal Effects and Processes in Inorganic Materials, RTEP 2014
СтранаРоссийская Федерация
ГородTomsk
Период3.11.148.11.14

Отпечаток

Heating rate
Thermal effects
Ferrite
Enthalpy
Powders
Thermoanalysis
Phase transitions
Heating
Temperature
Air
Hot Temperature

ASJC Scopus subject areas

  • Engineering(all)
  • Materials Science(all)

Цитировать

Investigation of heating rate effect on solid-phase interaction in Li<inf>2</inf>CO<inf>3</inf> - Fe<inf>2</inf>O<inf>3</inf> reaction mixture. / Lysenko, E. N.; Nikolaev, Evgeny Vladimirovich; Vasendina, E. A.

IOP Conference Series: Materials Science and Engineering. Том 81 1. ред. Institute of Physics Publishing, 2015. 012104.

Результат исследований: Материалы для книги/типы отчетовМатериалы для конференции

Lysenko, EN, Nikolaev, EV & Vasendina, EA 2015, Investigation of heating rate effect on solid-phase interaction in Li<inf>2</inf>CO<inf>3</inf> - Fe<inf>2</inf>O<inf>3</inf> reaction mixture. в IOP Conference Series: Materials Science and Engineering. 1 ред., том. 81, 012104, Institute of Physics Publishing, Tomsk, Российская Федерация, 3.11.14. https://doi.org/10.1088/1757-899X/81/1/012104
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abstract = "The influence of heating rate on solid-phase interaction in Li2CO3 - Fe2O3 reaction mixture was investigated by thermal analysis method. The powder mixture components were in the ratio corresponding to LiFe5O8 ferrite. The ferrite synthesis was performed by thermal heating of mixture reagents in thermal analyzer up to 800 °C in air at various heating rates in the ranges (5-50) °C/min. The results showed that the heating rate affects the solid-phase interaction in Li2CO3 - Fe2O3 reaction mixture. The reaction phase formation is accompanied by heat endothermic effect, which was observed in the DSC curve in the form of a complex broad peak. For all samples, this complex peaks were decomposed into simpler peaks, and thereby, the enthalpies of the individual phase transitions were determined. It was shown that the heating rate affects the values of enthalpy and temperatures of heat endothermic effects, so that the high heating rate shifts the proceeding of reaction to higher temperatures.",
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N2 - The influence of heating rate on solid-phase interaction in Li2CO3 - Fe2O3 reaction mixture was investigated by thermal analysis method. The powder mixture components were in the ratio corresponding to LiFe5O8 ferrite. The ferrite synthesis was performed by thermal heating of mixture reagents in thermal analyzer up to 800 °C in air at various heating rates in the ranges (5-50) °C/min. The results showed that the heating rate affects the solid-phase interaction in Li2CO3 - Fe2O3 reaction mixture. The reaction phase formation is accompanied by heat endothermic effect, which was observed in the DSC curve in the form of a complex broad peak. For all samples, this complex peaks were decomposed into simpler peaks, and thereby, the enthalpies of the individual phase transitions were determined. It was shown that the heating rate affects the values of enthalpy and temperatures of heat endothermic effects, so that the high heating rate shifts the proceeding of reaction to higher temperatures.

AB - The influence of heating rate on solid-phase interaction in Li2CO3 - Fe2O3 reaction mixture was investigated by thermal analysis method. The powder mixture components were in the ratio corresponding to LiFe5O8 ferrite. The ferrite synthesis was performed by thermal heating of mixture reagents in thermal analyzer up to 800 °C in air at various heating rates in the ranges (5-50) °C/min. The results showed that the heating rate affects the solid-phase interaction in Li2CO3 - Fe2O3 reaction mixture. The reaction phase formation is accompanied by heat endothermic effect, which was observed in the DSC curve in the form of a complex broad peak. For all samples, this complex peaks were decomposed into simpler peaks, and thereby, the enthalpies of the individual phase transitions were determined. It was shown that the heating rate affects the values of enthalpy and temperatures of heat endothermic effects, so that the high heating rate shifts the proceeding of reaction to higher temperatures.

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