Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method for preparing silicon carbide ceramic by utilizing diamond wire cutting waste liquid of silicon carbide crystal
The invention relates to a method for preparing silicon carbide ceramics by utilizing diamond wire cutting waste liquid of silicon carbide crystals. In order to avoid waste of SiC powder and diamond particles in the silicon carbide crystal diamond wire cutting waste liquid, the invention provides a method for preparing silicon carbide ceramic by using the silicon carbide crystal diamond wire cutting waste liquid, and the method comprises the steps of primary filtration, secondary filtration, cleaning and drying, blank preparation and silicon carbide ceramic firing. The silicon carbide crystal diamond wire cutting waste liquid is recycled for silicon carbide ceramic preparation, and the purposes of saving cost, improving economic benefits, recycling waste and protecting the environment are achieved. According to the silicon carbide ceramic obtained through the method, the density is 97% or above, the Vickers hardness ranges from 20 GPa to 25 GPa, the bending strength ranges from 800 MPa to 1000 MPa, the fracture toughness ranges from 6 MPa.m <1/2> to 12 MPa.m <1/2>, and good compactness and mechanical performance are achieved.
本发明涉及一种利用碳化硅晶体金刚线切割废液制备碳化硅陶瓷的方法。为避免碳化硅晶体金刚线切割废液中SiC粉体与金刚石颗粒的浪费，本发明提供了一种利用碳化硅晶体金刚线切割废液制备碳化硅陶瓷的方法，步骤包括一级过滤、二级过滤、清洗干燥、制备胚料和烧制碳化硅陶瓷。本发明将碳化硅晶体金刚线切割废液回收用于碳化硅陶瓷制备，达到了节约成本、提高经济效益、废物再利用和保护环境的目的。通过本发明方法得到的碳化硅陶瓷致密度为97％以上，维氏硬度为20～25GPa，抗弯强度为800～1000MPa，断裂韧性为6～12MPa·m1/2，具有较好的密实度和机械性能。
Method for preparing silicon carbide ceramic by utilizing diamond wire cutting waste liquid of silicon carbide crystal
The invention relates to a method for preparing silicon carbide ceramics by utilizing diamond wire cutting waste liquid of silicon carbide crystals. In order to avoid waste of SiC powder and diamond particles in the silicon carbide crystal diamond wire cutting waste liquid, the invention provides a method for preparing silicon carbide ceramic by using the silicon carbide crystal diamond wire cutting waste liquid, and the method comprises the steps of primary filtration, secondary filtration, cleaning and drying, blank preparation and silicon carbide ceramic firing. The silicon carbide crystal diamond wire cutting waste liquid is recycled for silicon carbide ceramic preparation, and the purposes of saving cost, improving economic benefits, recycling waste and protecting the environment are achieved. According to the silicon carbide ceramic obtained through the method, the density is 97% or above, the Vickers hardness ranges from 20 GPa to 25 GPa, the bending strength ranges from 800 MPa to 1000 MPa, the fracture toughness ranges from 6 MPa.m <1/2> to 12 MPa.m <1/2>, and good compactness and mechanical performance are achieved.
本发明涉及一种利用碳化硅晶体金刚线切割废液制备碳化硅陶瓷的方法。为避免碳化硅晶体金刚线切割废液中SiC粉体与金刚石颗粒的浪费，本发明提供了一种利用碳化硅晶体金刚线切割废液制备碳化硅陶瓷的方法，步骤包括一级过滤、二级过滤、清洗干燥、制备胚料和烧制碳化硅陶瓷。本发明将碳化硅晶体金刚线切割废液回收用于碳化硅陶瓷制备，达到了节约成本、提高经济效益、废物再利用和保护环境的目的。通过本发明方法得到的碳化硅陶瓷致密度为97％以上，维氏硬度为20～25GPa，抗弯强度为800～1000MPa，断裂韧性为6～12MPa·m1/2，具有较好的密实度和机械性能。
Method for preparing silicon carbide ceramic by utilizing diamond wire cutting waste liquid of silicon carbide crystal
一种利用碳化硅晶体金刚线切割废液制备碳化硅陶瓷的方法
28.05.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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