Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-precision high-temperature-ablation-resistant coating formed on base material, preparation method of high-precision high-temperature-ablation-resistant coating and composite material containing high-precision high-temperature-ablation-resistant coating
The invention relates to a high-precision high-temperature-ablation-resistant coating formed on a base material, a preparation method of the coating and a composite material containing the coating. The high-precision high-temperature ablation resistant coating comprises a silicon-based transition layer formed on a base material and an ultrahigh-temperature ceramic surface layer which is formed on the transition layer and contains hafnium carbide and tantalum carbide. The method comprises the following steps: preparing a transition layer from a silicon-based ceramic precursor through dipping, curing and cracking; the superhigh-temperature ceramic surface layer is prepared from a hafnium-tantalum ceramic precursor through dipping, curing and cracking. The invention also relates to a composite material comprising said coating. The high-precision high-temperature ablation resistant coating has the advantages of being low in porosity, low in surface roughness, excellent in high-precision high-temperature ablation resistance and the like; the method disclosed by the invention has the advantages of short preparation period, controllable coating thickness and structure, capability of realizing net size forming and the like.
本发明涉及一种在基体材料上形成的高精度抗高温烧蚀涂层、其制备方法和包含该涂层的复合材料。高精度抗高温烧蚀涂层包括在基体材料上形成的硅基过渡层和在过渡层上形成的包含碳化铪和碳化钽的超高温陶瓷面层。所述方法包括：采用硅基陶瓷前驱体通过浸渍‑固化‑裂解制备过渡层；采用铪钽陶瓷前驱体通过浸渍‑固化‑裂解制备超高温陶瓷面层。本发明还涉及包含所述涂层的复合材料。本发明中的高精度抗高温烧蚀涂层具有孔隙率低、表面粗糙度低、高精度抗高温烧蚀性能优异等优点；本发明方法具有制备周期短、涂层厚度及结构可控、可实现净尺寸成型等优点。
High-precision high-temperature-ablation-resistant coating formed on base material, preparation method of high-precision high-temperature-ablation-resistant coating and composite material containing high-precision high-temperature-ablation-resistant coating
The invention relates to a high-precision high-temperature-ablation-resistant coating formed on a base material, a preparation method of the coating and a composite material containing the coating. The high-precision high-temperature ablation resistant coating comprises a silicon-based transition layer formed on a base material and an ultrahigh-temperature ceramic surface layer which is formed on the transition layer and contains hafnium carbide and tantalum carbide. The method comprises the following steps: preparing a transition layer from a silicon-based ceramic precursor through dipping, curing and cracking; the superhigh-temperature ceramic surface layer is prepared from a hafnium-tantalum ceramic precursor through dipping, curing and cracking. The invention also relates to a composite material comprising said coating. The high-precision high-temperature ablation resistant coating has the advantages of being low in porosity, low in surface roughness, excellent in high-precision high-temperature ablation resistance and the like; the method disclosed by the invention has the advantages of short preparation period, controllable coating thickness and structure, capability of realizing net size forming and the like.
本发明涉及一种在基体材料上形成的高精度抗高温烧蚀涂层、其制备方法和包含该涂层的复合材料。高精度抗高温烧蚀涂层包括在基体材料上形成的硅基过渡层和在过渡层上形成的包含碳化铪和碳化钽的超高温陶瓷面层。所述方法包括：采用硅基陶瓷前驱体通过浸渍‑固化‑裂解制备过渡层；采用铪钽陶瓷前驱体通过浸渍‑固化‑裂解制备超高温陶瓷面层。本发明还涉及包含所述涂层的复合材料。本发明中的高精度抗高温烧蚀涂层具有孔隙率低、表面粗糙度低、高精度抗高温烧蚀性能优异等优点；本发明方法具有制备周期短、涂层厚度及结构可控、可实现净尺寸成型等优点。
High-precision high-temperature-ablation-resistant coating formed on base material, preparation method of high-precision high-temperature-ablation-resistant coating and composite material containing high-precision high-temperature-ablation-resistant coating
一种在基体材料上形成的高精度抗高温烧蚀涂层、其制备方法和包含该涂层的复合材料
ZHANG BAOPENG (Autor:in) / FENG SHIJIE (Autor:in) / LIU WEI (Autor:in) / SUN TONGCHEN (Autor:in) / PEI YUCHEN (Autor:in)
01.11.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
High-temperature-resistant anti-ablation composite coating and preparation method thereof
| Europäisches Patentamt | 2022
Preparation method of anti-ablation high-temperature-resistant ceramic material
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2016