Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of high-temperature-resistant hafnium boride ceramic material
The invention discloses a preparation method of a high-temperature-resistant hafnium boride ceramic material, and belongs to the technical field of ceramic materials, the preparation method comprises the following steps: preparing composite hafnium boride powder, preparing composite silicon carbide powder, mixing and sintering; the preparation of the composite hafnium boride powder comprises the following steps: preparing first-stage coated powder, preparing second-stage coated powder, preparing third-stage coated powder, and firing. The preparation of the composite silicon carbide powder comprises the following steps: primary treatment and secondary treatment; in the step of material mixing, composite hafnium boride powder, composite silicon carbide powder and absolute ethyl alcohol are mixed according to the mass ratio of (70-72): (28-30): (160-200), ball milling is conducted for 4-5 h, then drying is conducted, and mixed powder is obtained. The prepared high-temperature-resistant hafnium boride ceramic material is high in density and good in thermal stability, thermal shock resistance, mechanical property and heat-conducting property.
本发明公开了一种耐高温硼化铪陶瓷材料的制备方法，属于陶瓷材料技术领域，所述制备方法由以下步骤组成：制备复合硼化铪粉，制备复合碳化硅粉，混料，烧结；所述制备复合硼化铪粉，由以下步骤组成：制备一级包覆粉，制备二级包覆粉，制备三级包覆粉，烧制；所述制备复合碳化硅粉，由以下步骤组成：一级处理，二级处理；所述混料，将复合硼化铪粉、复合碳化硅粉、无水乙醇按照质量比为70‑72:28‑30:160‑200混合后，球磨4‑5h后烘干，得到混合粉。本发明制备的耐高温硼化铪陶瓷材料的致密度高，热稳定性能、抗热震性能、机械性能、导热性能好。
Preparation method of high-temperature-resistant hafnium boride ceramic material
The invention discloses a preparation method of a high-temperature-resistant hafnium boride ceramic material, and belongs to the technical field of ceramic materials, the preparation method comprises the following steps: preparing composite hafnium boride powder, preparing composite silicon carbide powder, mixing and sintering; the preparation of the composite hafnium boride powder comprises the following steps: preparing first-stage coated powder, preparing second-stage coated powder, preparing third-stage coated powder, and firing. The preparation of the composite silicon carbide powder comprises the following steps: primary treatment and secondary treatment; in the step of material mixing, composite hafnium boride powder, composite silicon carbide powder and absolute ethyl alcohol are mixed according to the mass ratio of (70-72): (28-30): (160-200), ball milling is conducted for 4-5 h, then drying is conducted, and mixed powder is obtained. The prepared high-temperature-resistant hafnium boride ceramic material is high in density and good in thermal stability, thermal shock resistance, mechanical property and heat-conducting property.
本发明公开了一种耐高温硼化铪陶瓷材料的制备方法，属于陶瓷材料技术领域，所述制备方法由以下步骤组成：制备复合硼化铪粉，制备复合碳化硅粉，混料，烧结；所述制备复合硼化铪粉，由以下步骤组成：制备一级包覆粉，制备二级包覆粉，制备三级包覆粉，烧制；所述制备复合碳化硅粉，由以下步骤组成：一级处理，二级处理；所述混料，将复合硼化铪粉、复合碳化硅粉、无水乙醇按照质量比为70‑72:28‑30:160‑200混合后，球磨4‑5h后烘干，得到混合粉。本发明制备的耐高温硼化铪陶瓷材料的致密度高，热稳定性能、抗热震性能、机械性能、导热性能好。
Preparation method of high-temperature-resistant hafnium boride ceramic material
一种耐高温硼化铪陶瓷材料的制备方法
WANG HAORAN (Autor:in) / LI HAN (Autor:in) / LIU YUN (Autor:in) / TIAN FANG (Autor:in) / YANG YANG (Autor:in) / LIU HONGHUA (Autor:in) / WANG MENGMENG (Autor:in) / LI ZHANFENG (Autor:in) / ZHANG PINGPING (Autor:in) / LIU JIA (Autor:in)
17.12.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
High-temperature-resistant ceramic material based on hafnium boride and preparation method thereof
| Europäisches Patentamt | 2023
Preparation method of high-purity superfine hafnium boride powder and hafnium boride powder
| Europäisches Patentamt | 2021
High-purity rod-like hafnium boride powder and preparation method thereof
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2020
| Europäisches Patentamt | 2021