Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Ablation-resistant hafnium carbide composite ceramic material as well as preparation method and application thereof
The invention belongs to the technical field of composite ceramic materials, and particularly relates to an ablation-resistant hafnium carbide composite ceramic material as well as a preparation method and application thereof. The preparation method comprises the following steps: carrying out ball milling on raw material powder, and sintering under protective gas to obtain the ablation-resistant hafnium carbide composite ceramic material. The raw material powder is prepared from the following components in parts by mass: 70 to 90 parts of HfC powder, 5 to 20 parts of HfB2 powder, 5 to 10 parts of SiC powder and 0 to 20 parts of HfSi2 powder. According to the invention, HfC is taken as a high-melting-point main phase, and a framework is provided for ceramic, so that the prepared composite ceramic material has the characteristic of high melting point, can bear ablation at 2500 DEG C or above, and has excellent mechanical properties.
本发明属于复合陶瓷材料技术领域，具体涉及一种耐烧蚀碳化铪复合陶瓷材料及其制备方法和应用。本发明将原料粉体球磨后，在保护气下进行烧结，得到耐烧蚀碳化铪复合陶瓷材料；以质量份数计，所述原料粉体包括以下组分：HfC粉70～90份、HfB2粉5～20份、SiC粉5～10份和HfSi2粉0～20份。本发明以HfC作为高熔点主相，为陶瓷提供骨架，使制备的复合陶瓷材料具有高熔点的特性，可以承受2500℃以上的烧蚀，且具有优异的力学性能。
Ablation-resistant hafnium carbide composite ceramic material as well as preparation method and application thereof
The invention belongs to the technical field of composite ceramic materials, and particularly relates to an ablation-resistant hafnium carbide composite ceramic material as well as a preparation method and application thereof. The preparation method comprises the following steps: carrying out ball milling on raw material powder, and sintering under protective gas to obtain the ablation-resistant hafnium carbide composite ceramic material. The raw material powder is prepared from the following components in parts by mass: 70 to 90 parts of HfC powder, 5 to 20 parts of HfB2 powder, 5 to 10 parts of SiC powder and 0 to 20 parts of HfSi2 powder. According to the invention, HfC is taken as a high-melting-point main phase, and a framework is provided for ceramic, so that the prepared composite ceramic material has the characteristic of high melting point, can bear ablation at 2500 DEG C or above, and has excellent mechanical properties.
本发明属于复合陶瓷材料技术领域，具体涉及一种耐烧蚀碳化铪复合陶瓷材料及其制备方法和应用。本发明将原料粉体球磨后，在保护气下进行烧结，得到耐烧蚀碳化铪复合陶瓷材料；以质量份数计，所述原料粉体包括以下组分：HfC粉70～90份、HfB2粉5～20份、SiC粉5～10份和HfSi2粉0～20份。本发明以HfC作为高熔点主相，为陶瓷提供骨架，使制备的复合陶瓷材料具有高熔点的特性，可以承受2500℃以上的烧蚀，且具有优异的力学性能。
Ablation-resistant hafnium carbide composite ceramic material as well as preparation method and application thereof
一种耐烧蚀碳化铪复合陶瓷材料及其制备方法和应用
ZHEN QIANG (Autor:in) / CHEN CHEN (Autor:in) / LI RONG (Autor:in) / HU ZHIJIE (Autor:in)
05.04.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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