采用无压浸渗法制备出不同体份的SiCp/Al复合材料.对该复合材料进行了高温(高于基体熔点)压缩实验.研究了不同颗粒含量及粒度规格的复合材料高温压缩流变规律,利用SEM观察分析了颗粒含量及粒度对复合材料组织的影响.研究结果表明:颗粒含量较高的SiCp/Al复合材料,在高温压缩过程中呈现为塑性流变规律;颗粒粒度规格对复合材料高温压缩的影响呈两个阶段;颗粒含量及粒度对SiCp/Al复合材料高温压缩后组织的影响与其流变规律一致;颗粒含量为55%、粒度规格为F220的SiCp/Al复合材料,在高温压缩过程中呈现伪塑性流动规律,高温压缩对其颗粒分布均匀性及尺寸的作用较其他复合材料明显.
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