Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Near-zero-expansion silicon carbide composite ceramic metamaterial and preparation method thereof
The invention discloses a near-zero-expansion silicon carbide composite ceramic metamaterial and a preparation method thereof.The preparation method comprises the steps that according to a designed near-zero-expansion silicon carbide composite ceramic metamaterial model, a light curing 3D printing method is adopted for printing to obtain a near-zero-expansion silicon carbide composite ceramic metamaterial biscuit; the near-zero expansion silicon carbide composite ceramic metamaterial model is a multi-material near-zero expansion lattice designed based on silicon carbide composite ceramics with different thermal expansion coefficients, the multi-material near-zero expansion lattice is formed through an array, and the multi-material near-zero expansion lattice is a bending dominant lattice or a stretching dominant lattice; and carrying out heat treatment on the near-zero-expansion silicon carbide composite ceramic metamaterial biscuit to obtain the near-zero-expansion silicon carbide composite ceramic metamaterial. The invention aims to solve the problem that the silicon carbide ceramic is easy to damage in a high-temperature environment due to high brittleness.
本发明公开了一种近零膨胀的碳化硅复合陶瓷超材料及其制备方法，包括：根据设计的近零膨胀碳化硅复合陶瓷超材料模型，采用光固化3D打印方法打印得到近零膨胀碳化硅复合陶瓷超材料素坯；所述近零膨胀碳化硅复合陶瓷超材料模型是基于不同热膨胀系数的碳化硅复合陶瓷设计的多材料近零膨胀晶格，并将所述多材料近零膨胀晶格通过阵列形成，其中，所述多材料近零膨胀晶格为弯曲主导型晶格或拉伸主导型晶格；对所述近零膨胀碳化硅复合陶瓷超材料素坯进行热处理，得到近零膨胀的碳化硅复合陶瓷超材料。本发明的目的在于解决碳化硅陶瓷由于脆性高而在高温环境下易发生破坏的问题。
Near-zero-expansion silicon carbide composite ceramic metamaterial and preparation method thereof
The invention discloses a near-zero-expansion silicon carbide composite ceramic metamaterial and a preparation method thereof.The preparation method comprises the steps that according to a designed near-zero-expansion silicon carbide composite ceramic metamaterial model, a light curing 3D printing method is adopted for printing to obtain a near-zero-expansion silicon carbide composite ceramic metamaterial biscuit; the near-zero expansion silicon carbide composite ceramic metamaterial model is a multi-material near-zero expansion lattice designed based on silicon carbide composite ceramics with different thermal expansion coefficients, the multi-material near-zero expansion lattice is formed through an array, and the multi-material near-zero expansion lattice is a bending dominant lattice or a stretching dominant lattice; and carrying out heat treatment on the near-zero-expansion silicon carbide composite ceramic metamaterial biscuit to obtain the near-zero-expansion silicon carbide composite ceramic metamaterial. The invention aims to solve the problem that the silicon carbide ceramic is easy to damage in a high-temperature environment due to high brittleness.
本发明公开了一种近零膨胀的碳化硅复合陶瓷超材料及其制备方法，包括：根据设计的近零膨胀碳化硅复合陶瓷超材料模型，采用光固化3D打印方法打印得到近零膨胀碳化硅复合陶瓷超材料素坯；所述近零膨胀碳化硅复合陶瓷超材料模型是基于不同热膨胀系数的碳化硅复合陶瓷设计的多材料近零膨胀晶格，并将所述多材料近零膨胀晶格通过阵列形成，其中，所述多材料近零膨胀晶格为弯曲主导型晶格或拉伸主导型晶格；对所述近零膨胀碳化硅复合陶瓷超材料素坯进行热处理，得到近零膨胀的碳化硅复合陶瓷超材料。本发明的目的在于解决碳化硅陶瓷由于脆性高而在高温环境下易发生破坏的问题。
Near-zero-expansion silicon carbide composite ceramic metamaterial and preparation method thereof
一种近零膨胀的碳化硅复合陶瓷超材料及其制备方法
LIAN QIN (Autor:in) / ZHENG YU (Autor:in) / QI CHENYUN (Autor:in) / LI DICHEN (Autor:in)
20.02.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
/
B28B
Formgeben von Ton oder anderen keramischen Stoffzusammensetzungen, Schlacke oder von Mischungen, die zementartiges Material enthalten, z.B. Putzmörtel
,
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
/
B33Y
ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
,
Additive (generative) Fertigung, d. h. die Herstellung von dreidimensionalen [3D] Bauteilen durch additive Abscheidung, additive Agglomeration oder additive Schichtung, z. B. durch 3D- Drucken, Stereolithografie oder selektives Lasersintern
Near-zero expansion coefficient ceramic composite material and preparation method thereof
| Europäisches Patentamt | 2021
Silicon carbide composite ceramic and preparation method thereof
| Europäisches Patentamt | 2023
Silicon carbide ceramic composite material and preparation method thereof
| Europäisches Patentamt | 2023
Diamond-silicon carbide composite ceramic and preparation method thereof
| Europäisches Patentamt | 2022
Nano silicon nitride-silicon carbide composite ceramic and preparation method thereof
| Europäisches Patentamt | 2024