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(Ti3SiC2 + SiC)/Al-Si composite material suitable for piston and preparation method of (Ti3SiC2 + SiC)/Al-Si composite material
The invention discloses a (Ti3SiC2 + SiC)/Al-Si composite material suitable for a piston and a preparation method of the (Ti3SiC2 + SiC)/Al-Si composite material. The preparation method of the composite material comprises the following steps: preparing a radial (Ti3SiC2 + SiC) layered porous ceramic skeleton by using a freezing mold, and completely immersing Al-Si alloy into the porous ceramic skeleton by adopting extrusion infiltration to obtain the radial layered (Ti3SiC2 + SiC)/Al-Si composite material. The prepared composite material has good high-temperature compressive strength, high-temperature bending strength, fracture toughness and high-temperature wear resistance, the high-temperature performance of the composite material is greatly improved compared with that of an Al-Si matrix, and the composite material can be used for preparing high-performance piston parts by regulating and controlling the ceramic content and lamellar arrangement of different parts.
本发明公开了一种适用于活塞的(Ti3SiC2+SiC)/Al‑Si复合材料及其制备方法。该复合材料的制备方法，包括如下步骤：使用冷冻模具制备具有放射状的(Ti3SiC2+SiC)层状多孔陶瓷骨架，采用挤压浸渗将Al‑Si合金完全浸入多孔陶瓷骨架中，得到具有放射状的层状(Ti3SiC2+SiC)/Al‑Si复合材料。本发明制备得到的复合材料具有良好的高温抗压强度、高温抗弯强度、断裂韧性和高温耐磨性，其高温性能相对于Al‑Si基体得到了大幅提高，通过调控不同部位的陶瓷含量和片层排布，该复合材料可用于制备高性能的活塞件。
(Ti3SiC2 + SiC)/Al-Si composite material suitable for piston and preparation method of (Ti3SiC2 + SiC)/Al-Si composite material
The invention discloses a (Ti3SiC2 + SiC)/Al-Si composite material suitable for a piston and a preparation method of the (Ti3SiC2 + SiC)/Al-Si composite material. The preparation method of the composite material comprises the following steps: preparing a radial (Ti3SiC2 + SiC) layered porous ceramic skeleton by using a freezing mold, and completely immersing Al-Si alloy into the porous ceramic skeleton by adopting extrusion infiltration to obtain the radial layered (Ti3SiC2 + SiC)/Al-Si composite material. The prepared composite material has good high-temperature compressive strength, high-temperature bending strength, fracture toughness and high-temperature wear resistance, the high-temperature performance of the composite material is greatly improved compared with that of an Al-Si matrix, and the composite material can be used for preparing high-performance piston parts by regulating and controlling the ceramic content and lamellar arrangement of different parts.
本发明公开了一种适用于活塞的(Ti3SiC2+SiC)/Al‑Si复合材料及其制备方法。该复合材料的制备方法，包括如下步骤：使用冷冻模具制备具有放射状的(Ti3SiC2+SiC)层状多孔陶瓷骨架，采用挤压浸渗将Al‑Si合金完全浸入多孔陶瓷骨架中，得到具有放射状的层状(Ti3SiC2+SiC)/Al‑Si复合材料。本发明制备得到的复合材料具有良好的高温抗压强度、高温抗弯强度、断裂韧性和高温耐磨性，其高温性能相对于Al‑Si基体得到了大幅提高，通过调控不同部位的陶瓷含量和片层排布，该复合材料可用于制备高性能的活塞件。
(Ti3SiC2 + SiC)/Al-Si composite material suitable for piston and preparation method of (Ti3SiC2 + SiC)/Al-Si composite material
一种适用于活塞的(Ti3SiC2+SiC)/Al-Si复合材料及其制备方法
LIN BO (author) / XIAO HUAQIANG (author) / NIE MENG (author) / WANG XUEJIAN (author) / MO TAIQIAN (author)
2024-01-26
Patent
Electronic Resource
Chinese
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