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Preparation method of silicon carbide micro powder
The invention provides a preparation method of silicon carbide micro powder, which comprises the following steps: mixing silicon carbide micro powder, a surface modifier and a dispersing agent in water to obtain slurry, and performing spray drying on the slurry to obtain silicon carbide spherical powder; and carrying out heat treatment on the silicon carbide spherical powder at 850-880 DEG C, and then carrying out heat treatment at 1000-1050 DEG C to obtain the silicon carbide spherical powder, the surface modifier is soluble salt containing magnesium, aluminum and ytterbium.
本发明提供了一种碳化硅微粉的制备方法，包括如下步骤：将碳化硅微粉、表面改性剂与分散剂于水中混合得到浆料，对浆料进行喷雾干燥得到碳化硅球形粉体；将所述碳化硅球形粉体在850‑880℃下进行热处理后，再在1000‑1050℃下进行热处理即得；所述表面改性剂为包括镁、铝和镱的可溶性盐。
Preparation method of silicon carbide micro powder
The invention provides a preparation method of silicon carbide micro powder, which comprises the following steps: mixing silicon carbide micro powder, a surface modifier and a dispersing agent in water to obtain slurry, and performing spray drying on the slurry to obtain silicon carbide spherical powder; and carrying out heat treatment on the silicon carbide spherical powder at 850-880 DEG C, and then carrying out heat treatment at 1000-1050 DEG C to obtain the silicon carbide spherical powder, the surface modifier is soluble salt containing magnesium, aluminum and ytterbium.
本发明提供了一种碳化硅微粉的制备方法，包括如下步骤：将碳化硅微粉、表面改性剂与分散剂于水中混合得到浆料，对浆料进行喷雾干燥得到碳化硅球形粉体；将所述碳化硅球形粉体在850‑880℃下进行热处理后，再在1000‑1050℃下进行热处理即得；所述表面改性剂为包括镁、铝和镱的可溶性盐。
Preparation method of silicon carbide micro powder
一种碳化硅微粉的制备方法
LIU JINGXIONG (author) / HE LONG (author) / LUO DEPING (author) / ZENG QING (author) / LAI ZHIJUN (author)
2023-10-10
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Silicon carbide micro-powder for silicon carbide fine ceramics, and preparation method thereof
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