Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Fused deposition modeling method of continuous fiber reinforced ceramic matrix composite material
The invention discloses a fused deposition modeling method of a continuous fiber reinforced ceramic matrix composite material, and relates to the technical field of additive manufacturing. Comprising the following steps: adding ceramic powder and a carbon source into thermoplastic resin for blending, and then performing extrusion, wire drawing and granulation to obtain printing base material granules; drawing a mathematical model according to the target structure and slicing to obtain slice data and importing the slice data into printing equipment; printing parameters and a printing path are set, the printing base material granules and the continuous fiber tows are conveyed into printing equipment through screw extrusion equipment, the printing base material granules and the continuous fiber tows are compounded at a printing spray head, printing is conducted along with movement of the printing spray head, and a printing initial blank is obtained; degreasing and sintering the printing initial blank, and cooling to obtain a continuous fiber preform; and carrying out siliconizing treatment on the continuous fiber preform, and cooling to obtain the continuous fiber reinforced ceramic matrix composite material with the target structure. According to the method, fused deposition molding and screw extrusion are combined, and the continuous fibers are introduced into an additive manufacturing component of the ceramic matrix composite, so that the problem that the continuous fiber reinforced ceramic matrix composite is difficult to mold is solved.
本申请公开了一种连续纤维增强陶瓷基复合材料的熔融沉积成型方法，涉及增材制造技术领域。包括以下步骤：将陶瓷粉体和碳源加入热塑性树脂中共混，再挤出、拉丝、造粒后，得到打印基材粒料；根据目标结构绘制数模并进行切片后，得到切片数据并导入打印设备；设定打印参数和打印路径，通过螺杆挤出设备将打印基材粒料和连续纤维丝束输送入打印设备，使打印基材粒料与连续纤维丝束在打印喷头处复合，并随打印喷头的移动进行打印，得到打印初坯；对打印初坯进行脱脂烧结处理，冷却后，得到连续纤维预制体；对连续纤维预制体进行渗硅处理，冷却后，得到具有目标结构的连续纤维增强陶瓷基复合材料。本申请将熔融沉积成型与螺杆挤出结合，将连续纤维引入陶瓷基复合材料的增材制造构件中，从而解决了连续纤维增强陶瓷基复合材料难以成型的问题。
Fused deposition modeling method of continuous fiber reinforced ceramic matrix composite material
The invention discloses a fused deposition modeling method of a continuous fiber reinforced ceramic matrix composite material, and relates to the technical field of additive manufacturing. Comprising the following steps: adding ceramic powder and a carbon source into thermoplastic resin for blending, and then performing extrusion, wire drawing and granulation to obtain printing base material granules; drawing a mathematical model according to the target structure and slicing to obtain slice data and importing the slice data into printing equipment; printing parameters and a printing path are set, the printing base material granules and the continuous fiber tows are conveyed into printing equipment through screw extrusion equipment, the printing base material granules and the continuous fiber tows are compounded at a printing spray head, printing is conducted along with movement of the printing spray head, and a printing initial blank is obtained; degreasing and sintering the printing initial blank, and cooling to obtain a continuous fiber preform; and carrying out siliconizing treatment on the continuous fiber preform, and cooling to obtain the continuous fiber reinforced ceramic matrix composite material with the target structure. According to the method, fused deposition molding and screw extrusion are combined, and the continuous fibers are introduced into an additive manufacturing component of the ceramic matrix composite, so that the problem that the continuous fiber reinforced ceramic matrix composite is difficult to mold is solved.
本申请公开了一种连续纤维增强陶瓷基复合材料的熔融沉积成型方法，涉及增材制造技术领域。包括以下步骤：将陶瓷粉体和碳源加入热塑性树脂中共混，再挤出、拉丝、造粒后，得到打印基材粒料；根据目标结构绘制数模并进行切片后，得到切片数据并导入打印设备；设定打印参数和打印路径，通过螺杆挤出设备将打印基材粒料和连续纤维丝束输送入打印设备，使打印基材粒料与连续纤维丝束在打印喷头处复合，并随打印喷头的移动进行打印，得到打印初坯；对打印初坯进行脱脂烧结处理，冷却后，得到连续纤维预制体；对连续纤维预制体进行渗硅处理，冷却后，得到具有目标结构的连续纤维增强陶瓷基复合材料。本申请将熔融沉积成型与螺杆挤出结合，将连续纤维引入陶瓷基复合材料的增材制造构件中，从而解决了连续纤维增强陶瓷基复合材料难以成型的问题。
Fused deposition modeling method of continuous fiber reinforced ceramic matrix composite material
一种连续纤维增强陶瓷基复合材料的熔融沉积成型方法
YANG HAITANG (Autor:in) / LV QIANLONG (Autor:in) / YANG DONG (Autor:in) / HE TAIJUN (Autor:in) / CHEN FANG (Autor:in) / LI XIAOJUN (Autor:in)
08.10.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
/
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
| Europäisches Patentamt | 2024
Continuous fiber reinforced ceramic matrix composite material and preparation method thereof
| Europäisches Patentamt | 2024
Repair method of continuous oxide fiber reinforced oxide ceramic matrix composite material
| Europäisches Patentamt | 2022
Preparation method of continuous fiber reinforced silicon carbide ceramic matrix composite material
| Europäisches Patentamt | 2021
| Europäisches Patentamt | 2022