高体积分数颗粒增强金属基复合材料结合了陶瓷和金属的性能优势,具有轻质、高强、高模量的特点,是一种颇具应用前景的装甲材料,但此方面的报道研究较少.采用压力浸渗法制备了颗粒体积分数为50%、不同粒径的B4C/ZL101复合材料.结果表明,预制件温度为550℃、浸渗熔体温度为750℃时,采用压力浸渗可以得到颗粒分布均匀、致密度高的复合材料,组成相简单;复合材料的力学性能表明,B4C颗粒的粒径越小,复合材料的力学性能越好.当B4C颗粒粒径为3μm时,压缩强度、抗弯强度、布氏硬度分别可达1000MPa、640MPa、285HB.
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