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Alkaline-earth oxide crucible with rare-earth oxyfluoride coating and preparation method of alkaline earth oxide crucible
The invention discloses an alkaline-earth oxide crucible with a rare-earth oxyfluoride coating, the rare-earth oxyfluoride coating is arranged on the inner wall of the alkaline-earth oxide crucible, the density of the rare-earth oxyfluoride coating is 3-8 g/cm<3>, and the porosity of the rare-earth oxyfluoride coating is 5-20%. The invention further discloses a preparation method of the alkaline earth oxide crucible with the rare earth oxyfluoride coating. According to the invention, impurities can be prevented from being brought in during smelting of rare earth metals and alloys thereof.
本发明公开了一种带有稀土氟氧化物涂层的碱土氧化物坩埚，在碱土氧化物坩埚内壁上设置有稀土氟氧化物涂层，稀土氟氧化物涂层的密度为3‑8g/cm，孔隙度为5‑20％。本发明还公开了一种带有稀土氟氧化物涂层的碱土氧化物坩埚的制备方法。本发明能够避免在冶炼稀土金属及其合金时带入杂质。
Alkaline-earth oxide crucible with rare-earth oxyfluoride coating and preparation method of alkaline earth oxide crucible
The invention discloses an alkaline-earth oxide crucible with a rare-earth oxyfluoride coating, the rare-earth oxyfluoride coating is arranged on the inner wall of the alkaline-earth oxide crucible, the density of the rare-earth oxyfluoride coating is 3-8 g/cm<3>, and the porosity of the rare-earth oxyfluoride coating is 5-20%. The invention further discloses a preparation method of the alkaline earth oxide crucible with the rare earth oxyfluoride coating. According to the invention, impurities can be prevented from being brought in during smelting of rare earth metals and alloys thereof.
本发明公开了一种带有稀土氟氧化物涂层的碱土氧化物坩埚，在碱土氧化物坩埚内壁上设置有稀土氟氧化物涂层，稀土氟氧化物涂层的密度为3‑8g/cm，孔隙度为5‑20％。本发明还公开了一种带有稀土氟氧化物涂层的碱土氧化物坩埚的制备方法。本发明能够避免在冶炼稀土金属及其合金时带入杂质。
Alkaline-earth oxide crucible with rare-earth oxyfluoride coating and preparation method of alkaline earth oxide crucible
带有稀土氟氧化物涂层的碱土氧化物坩埚及其制备方法
LIU YUBAO (author) / HOU FUSHENG (author) / GAO RIZENG (author) / LYU WEIDONG (author) / LI KUN (author) / YANG PENGFEI (author) / LI YUAN (author)
2020-07-14
Patent
Electronic Resource
Chinese
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