A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Recrystallized silicon carbide particle trap and preparation method thereof
The preparation method comprises the following steps: uniformly mixing silicon carbide coarse powder, silicon carbide fine powder, yttrium oxide and a boron-containing mixture serving as sintering aids, adding aids such as a pore-forming agent, a binder, a plasticizer and a solvent, and uniformly stirring to obtain the recrystallized silicon carbide particle catcher. The particle trap is obtained through mixing, pugging, forming, microwave drying, cross hole sealing and high-temperature sintering, and a recrystallized silicon carbide unit prepared under the condition that the highest firing temperature is 2000 DEG C does not crack after three times of cold and heat shock at 850 DEG C. The particulate trap is excellent in performance and suitable for trapping soot particles of a diesel engine of a motor vehicle in a severe environment.
本发明提供了一种重结晶碳化硅颗粒捕集器及其制备方法，将碳化硅粗粉、碳化硅细粉和氧化钇和含硼混合物作为烧结助剂混合均匀，加入造孔剂、粘结剂、增塑剂和溶剂等助剂，经混合、练泥、成型、微波干燥、交叉封孔和高温烧结得到颗粒捕集器，在最高烧成温度为2000℃条件下制得的重结晶碳化硅单元在850℃冷热急变3次不开裂。本发明颗粒捕集器性能优异，适用于在恶劣环境下对机动车柴油机碳烟颗粒的捕集。
Recrystallized silicon carbide particle trap and preparation method thereof
The preparation method comprises the following steps: uniformly mixing silicon carbide coarse powder, silicon carbide fine powder, yttrium oxide and a boron-containing mixture serving as sintering aids, adding aids such as a pore-forming agent, a binder, a plasticizer and a solvent, and uniformly stirring to obtain the recrystallized silicon carbide particle catcher. The particle trap is obtained through mixing, pugging, forming, microwave drying, cross hole sealing and high-temperature sintering, and a recrystallized silicon carbide unit prepared under the condition that the highest firing temperature is 2000 DEG C does not crack after three times of cold and heat shock at 850 DEG C. The particulate trap is excellent in performance and suitable for trapping soot particles of a diesel engine of a motor vehicle in a severe environment.
本发明提供了一种重结晶碳化硅颗粒捕集器及其制备方法，将碳化硅粗粉、碳化硅细粉和氧化钇和含硼混合物作为烧结助剂混合均匀，加入造孔剂、粘结剂、增塑剂和溶剂等助剂，经混合、练泥、成型、微波干燥、交叉封孔和高温烧结得到颗粒捕集器，在最高烧成温度为2000℃条件下制得的重结晶碳化硅单元在850℃冷热急变3次不开裂。本发明颗粒捕集器性能优异，适用于在恶劣环境下对机动车柴油机碳烟颗粒的捕集。
Recrystallized silicon carbide particle trap and preparation method thereof
一种重结晶碳化硅颗粒捕集器及其制备方法
SUN MIN (author) / ZHU ZENGZAN (author) / GUO YUN (author) / ZHAN WANGCHENG (author) / PENG HONG (author) / ZHU YEFAN (author)
2023-04-14
Patent
Electronic Resource
Chinese
Recrystallized silicon carbide material and preparation method thereof
| European Patent Office | 2020
Silicon carbide particle trap and preparation method thereof
| European Patent Office | 2024
Silicon Carbide Fiber Reinforced Recrystallized Silicon Carbide
| British Library Online Contents | 2004
Silicon carbide particle trap and preparation method thereof
| European Patent Office | 2024
High-purity and high-density recrystallized silicon carbide device and preparation method thereof
| European Patent Office | 2016