采用高能球磨及热压方法制备银/金刚石、银/石墨、银/炭黑、银/碳管四种Ag/C合金,研究了不同碳素形态对银基触头材料组织、性能的影响.结果表明,金刚石、石墨和碳黑粒子均匀分布在银基体内部,扇贝状银/碳管组织和其它三种组织明显不同.高能球磨和热压后,石墨态的碳元素仍能保持原来的形态和晶型.热压块体的密度能达到理论密度的95%以上.碳元素形态的差异引起块体材料硬度的不同.
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