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The invention belongs to the technical field of composite materials, and particularly relates to a CC-ZrC-Cr3C2 composite material prepared by a reactive melt infiltration method. The composite material comprises a Zr-Cr alloy and a C/C composite material. According to a scheme designed by the invention, Zr-Cr alloy is used as an infiltration agent, a C/C-ZrC-Cr3C2 composite material is prepared through a reactive melt infiltration method, the oxidation resistance and ablation resistance of a C/C composite material are improved, the influence of different process parameters on the structure, the mechanical property, the oxidation property and the ablation property of the C/C-ZrC-Cr3C2 composite material prepared by reactive melt infiltration is studied, optimal technological parameters aresummarized, and meanwhile, the stabilizing effect of Cr2O3 on ZrO2 in the cooling process after high-temperature ablation is proposed, so that the inhibition mechanism of Cr2O3 on the phase change ofZrO2 is expected to be disclosed.
本发明公开的属于复合材料技术领域，具体为一种反应熔渗法制备的CC‑ZrC‑Cr3C2复合材料，包括：Zr‑Cr合金和C/C复合材料。该发明设计了以Zr‑Cr合金为熔渗剂，通过反应熔渗法制备C/C‑ZrC‑Cr3C2复合材料，提高C/C复合材料抗氧化、抗烧蚀性能的方案，研究不同工艺参数对反应熔渗制备的C/C‑ZrC‑Cr3C2复合材料组织结构、力学性能、氧化和烧蚀性能的影响，总结出最佳工艺参数，同时提出在高温烧蚀后的冷却过程中，Cr2O3对ZrO2的稳定作用，以期揭示Cr2O3对ZrO2的相变的抑制机理。
The invention belongs to the technical field of composite materials, and particularly relates to a CC-ZrC-Cr3C2 composite material prepared by a reactive melt infiltration method. The composite material comprises a Zr-Cr alloy and a C/C composite material. According to a scheme designed by the invention, Zr-Cr alloy is used as an infiltration agent, a C/C-ZrC-Cr3C2 composite material is prepared through a reactive melt infiltration method, the oxidation resistance and ablation resistance of a C/C composite material are improved, the influence of different process parameters on the structure, the mechanical property, the oxidation property and the ablation property of the C/C-ZrC-Cr3C2 composite material prepared by reactive melt infiltration is studied, optimal technological parameters aresummarized, and meanwhile, the stabilizing effect of Cr2O3 on ZrO2 in the cooling process after high-temperature ablation is proposed, so that the inhibition mechanism of Cr2O3 on the phase change ofZrO2 is expected to be disclosed.
本发明公开的属于复合材料技术领域，具体为一种反应熔渗法制备的CC‑ZrC‑Cr3C2复合材料，包括：Zr‑Cr合金和C/C复合材料。该发明设计了以Zr‑Cr合金为熔渗剂，通过反应熔渗法制备C/C‑ZrC‑Cr3C2复合材料，提高C/C复合材料抗氧化、抗烧蚀性能的方案，研究不同工艺参数对反应熔渗制备的C/C‑ZrC‑Cr3C2复合材料组织结构、力学性能、氧化和烧蚀性能的影响，总结出最佳工艺参数，同时提出在高温烧蚀后的冷却过程中，Cr2O3对ZrO2的稳定作用，以期揭示Cr2O3对ZrO2的相变的抑制机理。
CC-ZrC-Cr3C2 composite material prepared by reactive melt infiltration method
一种反应熔渗法制备的CC-ZrC-Cr3C2复合材料制备原料
2020-10-16
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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