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Preparation method of thermal insulation hard felt for silicon carbide single crystal growth furnace
The invention provides a preparation method of a thermal insulation hard felt for a silicon carbide single crystal growth furnace, which comprises the following steps: carrying out first pretreatment on a carbon fiber felt matrix, and carrying out first carbonization treatment in a carbonization furnace to obtain a carbonized felt; preparing a treatment solution, and carrying out second pretreatment on the treatment solution to obtain a pretreatment solution; and cutting the carbonized felt, fixing a mold, spraying a pretreatment solution, and carrying out curing treatment, secondary carbonization treatment and machining to obtain the heat-preservation hard felt for the silicon carbide single crystal growth furnace. By optimizing the formula of the treating fluid and optimizing the process steps and the process parameters, the obtained heat preservation hard felt for the silicon carbide single crystal growth furnace has the advantages of stable heat preservation performance, excellent heat insulation performance and long service life.
本发明提供了一种碳化硅单晶生长炉保温硬质毡的制备方法，包括将碳纤维毡基体进行第一预处理，然后置于碳化炉中进行第一碳化处理，得到碳化毡；配制处理液并对处理液进行第二预处理，得到预处理液；将碳化毡进行裁剪处理，模具固定后，喷涂预处理液，经过固化处理、第二碳化处理以及机械加工，得到碳化硅单晶生长炉保温硬质毡。本发明通过优化处理液的配方以及优化工艺步骤以及工艺参数，得到的碳化硅单晶生长炉保温硬质毡具有保温性能稳定、隔热性能优异以及使用寿命长的优点。
Preparation method of thermal insulation hard felt for silicon carbide single crystal growth furnace
The invention provides a preparation method of a thermal insulation hard felt for a silicon carbide single crystal growth furnace, which comprises the following steps: carrying out first pretreatment on a carbon fiber felt matrix, and carrying out first carbonization treatment in a carbonization furnace to obtain a carbonized felt; preparing a treatment solution, and carrying out second pretreatment on the treatment solution to obtain a pretreatment solution; and cutting the carbonized felt, fixing a mold, spraying a pretreatment solution, and carrying out curing treatment, secondary carbonization treatment and machining to obtain the heat-preservation hard felt for the silicon carbide single crystal growth furnace. By optimizing the formula of the treating fluid and optimizing the process steps and the process parameters, the obtained heat preservation hard felt for the silicon carbide single crystal growth furnace has the advantages of stable heat preservation performance, excellent heat insulation performance and long service life.
本发明提供了一种碳化硅单晶生长炉保温硬质毡的制备方法，包括将碳纤维毡基体进行第一预处理，然后置于碳化炉中进行第一碳化处理，得到碳化毡；配制处理液并对处理液进行第二预处理，得到预处理液；将碳化毡进行裁剪处理，模具固定后，喷涂预处理液，经过固化处理、第二碳化处理以及机械加工，得到碳化硅单晶生长炉保温硬质毡。本发明通过优化处理液的配方以及优化工艺步骤以及工艺参数，得到的碳化硅单晶生长炉保温硬质毡具有保温性能稳定、隔热性能优异以及使用寿命长的优点。
Preparation method of thermal insulation hard felt for silicon carbide single crystal growth furnace
一种碳化硅单晶生长炉保温硬质毡的制备方法
LONG SHENG (Autor:in) / HOU ZHENHUA (Autor:in) / LI JUNXIU (Autor:in) / ZHOU XUCHENG (Autor:in)
22.03.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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