RU2011143864A - Композиция на основе оксикарбита алюминия и способ ее получения - Google Patents

Композиция на основе оксикарбита алюминия и способ ее получения Download PDF

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RU2011143864A
RU2011143864A RU2011143864/03A RU2011143864A RU2011143864A RU 2011143864 A RU2011143864 A RU 2011143864A RU 2011143864/03 A RU2011143864/03 A RU 2011143864/03A RU 2011143864 A RU2011143864 A RU 2011143864A RU 2011143864 A RU2011143864 A RU 2011143864A
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aluminum oxycarbide
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Кейитиро АКАМИНЕ
Кацуми МОРИКАВА
Дзоки ЙОСИТОМИ
Йосихико УТИДА
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Кросакихарима Корпорейшн
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Abstract

1. Способ получения композиции на основе оксикарбида алюминия, включающий: приготовление смеси, по существу, состоящей из углеродсодержащего исходного материала, имеющего средний диаметр частиц 0,5 мм или менее, и содержащего оксид алюминия исходного материала, имеющего средний диаметр частиц 350 мкм или менее, где молярное отношение углеродсодержащего исходного материала к содержащему оксид алюминия исходному материалу (С/AlO) находится в интервале от 0,8 до 2,0; гомогенное перемешивание смеси, которое обеспечивает отклонение в содержании компонента С в пределах ±10%; и плавление полученной смеси в дуговой печи при температуре 1850°С или выше.2. Способ по п.1, в котором средний диаметр частиц углеродсодержащего исходного материала находится в интервале от 0,5 мкм до 0,5 мм, и средний диаметр частиц содержащего оксид алюминия исходного материала находится в интервале от 0,5 мкм до 350 мкм.3. Способ по п.1 или 2, в котором молярное отношение углеродсодержащего исходного материала к содержащему оксид алюминия исходному материалу (С/AlO) находится в интервале от 1,0 до 1,8.4. Композиция на основе оксикарбида алюминия, полученная с использованием дуговой печи, которая имеет химический состав, включающий 95 мас.% или более суммы С и AlO, 45 мас.% или более AlOC в виде минеральной фазы и 10 мас.% или менее другой минеральной фазы, а остаток составляет корунд, причем композиция на основе оксикарбида алюминия имеет степень разложения 3 мас.% или менее, которую измеряют в испытании гашения клинкера из оксида магния согласно способу 4 Гакушин (Gakushin).5. Композиция на основе оксикарбида алюминия по п.4, которая имеет кажущуюся пористость 3,5% или менее.6. Компози

Claims (9)

1. Способ получения композиции на основе оксикарбида алюминия, включающий: приготовление смеси, по существу, состоящей из углеродсодержащего исходного материала, имеющего средний диаметр частиц 0,5 мм или менее, и содержащего оксид алюминия исходного материала, имеющего средний диаметр частиц 350 мкм или менее, где молярное отношение углеродсодержащего исходного материала к содержащему оксид алюминия исходному материалу (С/Al2O3) находится в интервале от 0,8 до 2,0; гомогенное перемешивание смеси, которое обеспечивает отклонение в содержании компонента С в пределах ±10%; и плавление полученной смеси в дуговой печи при температуре 1850°С или выше.
2. Способ по п.1, в котором средний диаметр частиц углеродсодержащего исходного материала находится в интервале от 0,5 мкм до 0,5 мм, и средний диаметр частиц содержащего оксид алюминия исходного материала находится в интервале от 0,5 мкм до 350 мкм.
3. Способ по п.1 или 2, в котором молярное отношение углеродсодержащего исходного материала к содержащему оксид алюминия исходному материалу (С/Al2O3) находится в интервале от 1,0 до 1,8.
4. Композиция на основе оксикарбида алюминия, полученная с использованием дуговой печи, которая имеет химический состав, включающий 95 мас.% или более суммы С и Al2O3, 45 мас.% или более Al4O4C в виде минеральной фазы и 10 мас.% или менее другой минеральной фазы, а остаток составляет корунд, причем композиция на основе оксикарбида алюминия имеет степень разложения 3 мас.% или менее, которую измеряют в испытании гашения клинкера из оксида магния согласно способу 4 Гакушин (Gakushin).
5. Композиция на основе оксикарбида алюминия по п.4, которая имеет кажущуюся пористость 3,5% или менее.
6. Композиция на основе оксикарбида алюминия по п.4 или 5, которая имеет кажущуюся плотность 3,20 или менее, причем С в качестве химического компонента содержится в количестве от 2,5 до 5,5 мас.%.
7. Композиция на основе оксикарбида алюминия по п.4, которую используют для получения углеродсодержащего огнеупорного материала.
8. Композиция на основе оксикарбида алюминия по п.5, которую используют для получения углеродсодержащего огнеупорного материала.
9. Композиция на основе оксикарбида алюминия по п.6, которую используют для получения углеродсодержащего огнеупорного материала.
RU2011143864/03A 2009-03-30 2010-03-30 Композиция на основе оксикарбида алюминия и способ ее получения RU2509753C2 (ru)

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JP2009-082729 2009-03-30
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CN103274701A (zh) * 2013-05-19 2013-09-04 北京工业大学 一种含碳耐火材料抗氧化剂Al4O4C的制备方法
JP6193793B2 (ja) * 2014-03-31 2017-09-06 黒崎播磨株式会社 鋳造用耐火物、並びにそれを使用した鋳造用ノズル及びスライディングノズル用プレート
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CN110317061B (zh) * 2018-03-28 2021-06-15 山东理工大学 一种制备Al4O4C纳米纤维的方法
RU2690918C1 (ru) * 2019-01-11 2019-06-06 Федеральное государственное бюджетное учреждение науки Институт химии твердого тела Уральского отделения Российской академии наук Способ получения порошковой композиции на основе оксикарбидов алюминия

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