Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-temperature stable-phase carbide ceramic reinforced silicon carbide coating layer and preparation method thereof
The invention belongs to the field of ceramic coating layers, and particularly relates to a high-temperature stable-phase carbide ceramic reinforced silicon carbide coating layer and a preparation method thereof. High-temperature-phase SiC ceramic particles, ZrC ceramic particles, HfC ceramic particles and TaC ceramic particles are used for enhancing a compact beta-SiC coating layer, so that the toughness of the coating layer is enhanced; the reinforced particles are SiC particles, ZrC particles, HfC particles and TaC particles in sequence from inside to outside, the thermal expansion coefficients of the reinforced particles are increased progressively, thermal mismatch of the coating layer is effectively relieved, and the thermal shock resistance of the coating layer is improved. The high-temperature stable-phase carbide ceramic reinforced silicon carbide coating layer has the characteristics of excellent oxidation resistance, thermal shock resistance and difficulty in generating cracks, and has a wide application prospect in the fields of aerospace and the like.
本发明属于陶瓷涂层领域，具体涉及一种高温稳定相碳化物陶瓷增强的碳化硅涂层及其制备方法。以高温相SiC陶瓷颗粒、ZrC陶瓷颗粒、HfC陶瓷颗粒和TaC陶瓷颗粒增强致密的β‑SiC涂层，增强了涂层的韧性；从内向外，增强颗粒依次为SiC颗粒、ZrC颗粒、HfC颗粒和TaC颗粒，其热膨胀系数递增，有效缓解了涂层热失配，提高了其抗热振性能。本发明高温稳定相碳化物陶瓷增强的碳化硅涂层具有优异的抗氧化性、抗热振性和不易产生裂纹的特点，在航空航天等领域具有广阔的应用前景。
High-temperature stable-phase carbide ceramic reinforced silicon carbide coating layer and preparation method thereof
The invention belongs to the field of ceramic coating layers, and particularly relates to a high-temperature stable-phase carbide ceramic reinforced silicon carbide coating layer and a preparation method thereof. High-temperature-phase SiC ceramic particles, ZrC ceramic particles, HfC ceramic particles and TaC ceramic particles are used for enhancing a compact beta-SiC coating layer, so that the toughness of the coating layer is enhanced; the reinforced particles are SiC particles, ZrC particles, HfC particles and TaC particles in sequence from inside to outside, the thermal expansion coefficients of the reinforced particles are increased progressively, thermal mismatch of the coating layer is effectively relieved, and the thermal shock resistance of the coating layer is improved. The high-temperature stable-phase carbide ceramic reinforced silicon carbide coating layer has the characteristics of excellent oxidation resistance, thermal shock resistance and difficulty in generating cracks, and has a wide application prospect in the fields of aerospace and the like.
本发明属于陶瓷涂层领域，具体涉及一种高温稳定相碳化物陶瓷增强的碳化硅涂层及其制备方法。以高温相SiC陶瓷颗粒、ZrC陶瓷颗粒、HfC陶瓷颗粒和TaC陶瓷颗粒增强致密的β‑SiC涂层，增强了涂层的韧性；从内向外，增强颗粒依次为SiC颗粒、ZrC颗粒、HfC颗粒和TaC颗粒，其热膨胀系数递增，有效缓解了涂层热失配，提高了其抗热振性能。本发明高温稳定相碳化物陶瓷增强的碳化硅涂层具有优异的抗氧化性、抗热振性和不易产生裂纹的特点，在航空航天等领域具有广阔的应用前景。
High-temperature stable-phase carbide ceramic reinforced silicon carbide coating layer and preparation method thereof
一种高温稳定相碳化物陶瓷增强的碳化硅涂层及其制备方法
CHEN ZHAOFENG (Autor:in) / WU QIONG (Autor:in)
19.01.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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