Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of ablation-resistant ZrHfC/SiC multiphase ceramic coating with optimized metal grids and ablation-resistant composite material
The invention provides a preparation method of an ablation-resistant ZrHfC/SiC multiphase ceramic coating with optimized metal grids and an anti-ablation composite material, and the method comprises the following steps: S1, placing a high-melting-point metal net and slurry containing Hf powder on a carbon matrix in sequence, and carrying out drying treatment to form a prefabricated coating; and S2, employing mixed powder containing Zr powder and Si powder, performing heating evaporation and reaction on the base body where the prefabricated coating is formed, and obtaining the ablation-resistant ZrHfC/SiC multiphase ceramic coating. The ablation-resistant ZrHfC/SiC multiphase ceramic coating contains ZrxHf1-xC, high-melting-point metal silicide, ZrSi2 and a SiC phase, an outer layer is mainly ZrxHf1-xC, the high-melting-point metal silicide and the ZrSi2 phase are dispersed and distributed in the middle of the coating, and the SiC phase is distributed between the base body and the outerlayer. The method can be used for preparing the high-temperature-resistant and ablation-resistant ZrHfC/SiC multiphase ceramic coating, and the process is simple and efficient.
本发明提供了一种金属网格优化的抗烧蚀ZrHfC/SiC复相陶瓷涂层的制备方法及抗烧蚀复合材料，该方法包括：S1、将高熔点金属网和包含Hf粉的浆料无次序地置于炭基体上，经干燥处理形成预制涂层；S2、采用包含Zr粉和Si粉的混合粉料，在形成预制涂层的基体上通过加热蒸镀并反应，得到抗烧蚀ZrHfC/SiC复相陶瓷涂层。所述抗烧蚀ZrHfC/SiC复相陶瓷涂层中含有ZrHfC、高熔点金属硅化物、ZrSi和SiC相，外层主要为ZrHfC，高熔点金属硅化物和ZrSi相弥散分布于涂层中部，SiC相分布在基体与外层间。本发明能制备耐高温、抗烧蚀ZrHfC/SiC复相陶瓷涂层，工艺简单高效。
Preparation method of ablation-resistant ZrHfC/SiC multiphase ceramic coating with optimized metal grids and ablation-resistant composite material
The invention provides a preparation method of an ablation-resistant ZrHfC/SiC multiphase ceramic coating with optimized metal grids and an anti-ablation composite material, and the method comprises the following steps: S1, placing a high-melting-point metal net and slurry containing Hf powder on a carbon matrix in sequence, and carrying out drying treatment to form a prefabricated coating; and S2, employing mixed powder containing Zr powder and Si powder, performing heating evaporation and reaction on the base body where the prefabricated coating is formed, and obtaining the ablation-resistant ZrHfC/SiC multiphase ceramic coating. The ablation-resistant ZrHfC/SiC multiphase ceramic coating contains ZrxHf1-xC, high-melting-point metal silicide, ZrSi2 and a SiC phase, an outer layer is mainly ZrxHf1-xC, the high-melting-point metal silicide and the ZrSi2 phase are dispersed and distributed in the middle of the coating, and the SiC phase is distributed between the base body and the outerlayer. The method can be used for preparing the high-temperature-resistant and ablation-resistant ZrHfC/SiC multiphase ceramic coating, and the process is simple and efficient.
本发明提供了一种金属网格优化的抗烧蚀ZrHfC/SiC复相陶瓷涂层的制备方法及抗烧蚀复合材料，该方法包括：S1、将高熔点金属网和包含Hf粉的浆料无次序地置于炭基体上，经干燥处理形成预制涂层；S2、采用包含Zr粉和Si粉的混合粉料，在形成预制涂层的基体上通过加热蒸镀并反应，得到抗烧蚀ZrHfC/SiC复相陶瓷涂层。所述抗烧蚀ZrHfC/SiC复相陶瓷涂层中含有ZrHfC、高熔点金属硅化物、ZrSi和SiC相，外层主要为ZrHfC，高熔点金属硅化物和ZrSi相弥散分布于涂层中部，SiC相分布在基体与外层间。本发明能制备耐高温、抗烧蚀ZrHfC/SiC复相陶瓷涂层，工艺简单高效。
Preparation method of ablation-resistant ZrHfC/SiC multiphase ceramic coating with optimized metal grids and ablation-resistant composite material
一种金属网格优化的抗烧蚀ZrHfC/SiC复相陶瓷涂层的制备方法及抗烧蚀复合材料
SUN WEI (Autor:in) / XU JUNJIE (Autor:in) / XIONG XIANG (Autor:in)
05.06.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
Ablation-resistant ceramic-based composite material and preparation method thereof
| Europäisches Patentamt | 2021
| Europäisches Patentamt | 2024
Preparation method of ultrahigh-temperature ablation-resistant ceramic-based composite material
| Europäisches Patentamt | 2021
Preparation method of ablation-resistant antioxidant carbon-ceramic composite material matrix
| Europäisches Patentamt | 2022