A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Crucible and preparation method and application thereof
The invention belongs to the technical field of crucibles, and particularly relates to a crucible and a preparation method and application thereof. The invention provides a crucible. The crucible comprises a carbon fiber matrix, carbon filled in pores of the carbon fiber matrix and a coating on the surface of the carbon fiber matrix, the carbon fiber matrix is made of carbon fiber filaments, carbon fiber cloth and a carbon fiber web; the mass percentage content of the carbon fiber filaments in the carbon fiber matrix is 8-12%; the mass percentage content of the carbon fiber cloth in the carbon fiber matrix is 38-42%; the mass percentage content of the carbon fiber net tire in the carbon fiber matrix is 48-52%; the coating comprises silicon carbide and silicon nitride. The crucible provided by the invention has relatively high purity, strength and high temperature resistance, and can meet the standard requirements for preparing polycrystalline silicon cast ingots. The crucible is prepared by taking the carbon fiber as a main raw material, so that the production cost of the crucible is greatly reduced while the purity of the crucible is improved.
本发明属于坩埚技术领域，具体涉及一种坩埚及其制备方法和应用。本发明提供了一种坩埚，包括碳纤维基体、填充于所述碳纤维基体孔隙中的碳和碳纤维基体表面的涂层；所述碳纤维基体的材料为碳纤维长丝、碳纤维布和碳纤维网胎；所述碳纤维基体中碳纤维长丝的质量百分含量为8~12%；所述碳纤维基体中碳纤维布的质量百分含量为38~42%；所述碳纤维基体中碳纤维网胎的质量百分含量为48~52%；所述涂层包括碳化硅和氮化硅。本发明提供的坩埚具有较高的纯度、强度和耐高温性，能够满足用于制备多晶硅铸锭的标准要求。本发明以碳纤维为主要原料制备坩埚，提高坩埚纯度的同时大大降低了坩埚的生产成本。
Crucible and preparation method and application thereof
The invention belongs to the technical field of crucibles, and particularly relates to a crucible and a preparation method and application thereof. The invention provides a crucible. The crucible comprises a carbon fiber matrix, carbon filled in pores of the carbon fiber matrix and a coating on the surface of the carbon fiber matrix, the carbon fiber matrix is made of carbon fiber filaments, carbon fiber cloth and a carbon fiber web; the mass percentage content of the carbon fiber filaments in the carbon fiber matrix is 8-12%; the mass percentage content of the carbon fiber cloth in the carbon fiber matrix is 38-42%; the mass percentage content of the carbon fiber net tire in the carbon fiber matrix is 48-52%; the coating comprises silicon carbide and silicon nitride. The crucible provided by the invention has relatively high purity, strength and high temperature resistance, and can meet the standard requirements for preparing polycrystalline silicon cast ingots. The crucible is prepared by taking the carbon fiber as a main raw material, so that the production cost of the crucible is greatly reduced while the purity of the crucible is improved.
本发明属于坩埚技术领域，具体涉及一种坩埚及其制备方法和应用。本发明提供了一种坩埚，包括碳纤维基体、填充于所述碳纤维基体孔隙中的碳和碳纤维基体表面的涂层；所述碳纤维基体的材料为碳纤维长丝、碳纤维布和碳纤维网胎；所述碳纤维基体中碳纤维长丝的质量百分含量为8~12%；所述碳纤维基体中碳纤维布的质量百分含量为38~42%；所述碳纤维基体中碳纤维网胎的质量百分含量为48~52%；所述涂层包括碳化硅和氮化硅。本发明提供的坩埚具有较高的纯度、强度和耐高温性，能够满足用于制备多晶硅铸锭的标准要求。本发明以碳纤维为主要原料制备坩埚，提高坩埚纯度的同时大大降低了坩埚的生产成本。
Crucible and preparation method and application thereof
一种坩埚及其制备方法和应用
ZHAO QIANG (author) / JIA LINTAO (author) / SUN ZHULIN (author) / JIANG JIE (author)
2024-04-05
Patent
Electronic Resource
Chinese