Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Silicon oxynitride-silicon carbide composite brick with enhanced oxidation resistance and preparation method thereof
The invention discloses a silicon oxynitride-silicon carbide composite brick with enhanced oxidation resistance and a preparation method, and the composite brick comprises the following raw materials in parts by weight: 66-74 parts of silicon carbide coarse powder, 9-14 parts of silicon carbide fine powder, 9-14 parts of silicon nitride fine powder, 4.5-5.5 parts of silicon micro powder, 1.2-1.9 parts of silicon dioxide micro powder, 0.5-1.0 part of silicon boride, 4.5-6.0 parts of a binding agent and 4-8 parts of phenolic resin powder. The preparation method comprises the following steps: S1, preparing materials; S2, grinding the materials; and S3, firing. The prepared silicon oxynitride-silicon carbide composite brick has the advantages of being low in cost, excellent in thermal stripping resistance and oxidation resistance and the like, silicon carbide is combined and protected by covering the surface of silicon carbide with a SiO2 film, silicon oxynitride generated through reaction is distributed around silicon carbide particles, and the oxidation resistance of the composite brick is improved.
本发明公开了一种抗氧化性能增强的氧氮化硅‑碳化硅复合砖及制备方法，复合砖的原料按重量份数计包括：碳化硅粗粉66‑74份，碳化硅细粉9‑14份，氮化硅细粉9‑14份，硅微粉4.5‑5.5份，二氧化硅微粉1.2‑1.9份，硼化硅0.5‑1.0份，结合剂4.5‑6.0份，酚醛树脂粉4‑8份，添加剂0.5‑2.5份，制备方法为：S1、配料，S2、碾料，S3、烧制；本发明制备的氧氮化硅‑碳化硅复合砖，具有成本低、抗热剥落性和抗氧化性能优良等优点，通过在碳化硅表面覆盖SiO2膜，把碳化硅结合并保护起来，反应生成氧氮化硅分布于碳化硅颗粒周围，提高复合砖的抗氧化性。
Silicon oxynitride-silicon carbide composite brick with enhanced oxidation resistance and preparation method thereof
The invention discloses a silicon oxynitride-silicon carbide composite brick with enhanced oxidation resistance and a preparation method, and the composite brick comprises the following raw materials in parts by weight: 66-74 parts of silicon carbide coarse powder, 9-14 parts of silicon carbide fine powder, 9-14 parts of silicon nitride fine powder, 4.5-5.5 parts of silicon micro powder, 1.2-1.9 parts of silicon dioxide micro powder, 0.5-1.0 part of silicon boride, 4.5-6.0 parts of a binding agent and 4-8 parts of phenolic resin powder. The preparation method comprises the following steps: S1, preparing materials; S2, grinding the materials; and S3, firing. The prepared silicon oxynitride-silicon carbide composite brick has the advantages of being low in cost, excellent in thermal stripping resistance and oxidation resistance and the like, silicon carbide is combined and protected by covering the surface of silicon carbide with a SiO2 film, silicon oxynitride generated through reaction is distributed around silicon carbide particles, and the oxidation resistance of the composite brick is improved.
本发明公开了一种抗氧化性能增强的氧氮化硅‑碳化硅复合砖及制备方法，复合砖的原料按重量份数计包括：碳化硅粗粉66‑74份，碳化硅细粉9‑14份，氮化硅细粉9‑14份，硅微粉4.5‑5.5份，二氧化硅微粉1.2‑1.9份，硼化硅0.5‑1.0份，结合剂4.5‑6.0份，酚醛树脂粉4‑8份，添加剂0.5‑2.5份，制备方法为：S1、配料，S2、碾料，S3、烧制；本发明制备的氧氮化硅‑碳化硅复合砖，具有成本低、抗热剥落性和抗氧化性能优良等优点，通过在碳化硅表面覆盖SiO2膜，把碳化硅结合并保护起来，反应生成氧氮化硅分布于碳化硅颗粒周围，提高复合砖的抗氧化性。
Silicon oxynitride-silicon carbide composite brick with enhanced oxidation resistance and preparation method thereof
一种抗氧化性能增强的氧氮化硅-碳化硅复合砖及制备方法
ZHOU TIANWEI (Autor:in) / SHI FENGFENG (Autor:in) / GUAN MENGTING (Autor:in)
16.05.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
Silicon oxynitride combined silicon carbide refractory brick and production method thereof
| Europäisches Patentamt | 2020
| Europäisches Patentamt | 2023
Composite aluminum-silicon carbide brick and preparation method thereof
| Europäisches Patentamt | 2020
| Europäisches Patentamt | 2022