运用放电等离子烧结(SPS)技术制备出体积分数达60%,致密度达99%的SiCp/Al复合材料.从烧结工艺的控制及电场的影响两方面对SPS烧结SiCp/Al复合材料的机理进行了研究,认为SPS烧结SiCp/Al复合材料的致密化过程主要依靠烧结温度、压力及升温速率的合理搭配,使Al熔融粘结SiC颗粒,而又不溢出模具;烧结过程中未发现明显的放电现象,可能由于电场太弱不足以引发放电.
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