Preparation method of aluminum-boron carbide composite material

The invention discloses a preparation method of an aluminum-boron carbide composite material, belonging to the technical field of ceramic preparation. The preparation method comprises the following steps: preparing mixed powder, preparing slurry, drying the slurry, carrying out pressing and sintering and modifying boron carbide ceramic so as to prepare the aluminum-boron carbide composite material. According to the aluminum-boron carbide composite material, the mechanical impact resistance, the heat conductivity and the heat stress change resistance of the material can be improved, meanwhile, the internal defects of the aluminum-boron carbide composite material in the compounding process are reduced, and mechanical strength is improved. 本发明公开了一种铝-碳化硼复合材料的制备方法，属于陶瓷制备技术领域，制备方法包括制备混合粉，制备浆料，浆料干燥，压制，烧结，碳化硼陶瓷改性，制备铝-碳化硼复合材料；本发明能够在提高抗机械冲击性能，导热性，耐热应力变化能力的同时，减少铝-碳化硼复合材料在复合过程中的内部缺陷，提高机械强度。