采用真空压力浸渗法制备了金刚石/铝复合材料, 研究了金刚石颗粒尺寸、品级等对复合材料热性能的影响。结果表明: 在金刚石体积分数相同情况下, 普通研磨级金刚石颗粒的尺寸越小, 复合材料的热膨胀系数越低;用MBD4等级金刚石颗粒制备的金刚石/铝复合材料具有最小的热膨胀系数, 为6.8×10-6K-1, 其热导率最高;MBD4等级的金刚石颗粒与铝基体存在选择性粘附现象, 金刚石的(100)面更容易与铝结合。
所属栏目
试验研究国家重点基础研究发展计划项目(2012CB619600);国家高技术研究发展计划项目(2013AA031201)
收稿日期
2013/8/162014/7/2
作者单位
裴和君:上海交通大学金属基复合材料国家重点实验室, 上海 200240
欧阳求保:上海交通大学金属基复合材料国家重点实验室, 上海 200240
张荻:上海交通大学金属基复合材料国家重点实验室, 上海 200240
虞红:上海宇航系统工程研究所, 上海 201108
备注
裴和君(1989-)，男，江苏宜兴人，硕士研究生。
引用该论文:
PEI He-jun,OUYANG Qiu-bao,ZHANG Di,YU Hong,LIU Yun-meng.Fabrication and Thermal Properties of Diamond/Al Composites Prepared by Vacuum Pressure Infiltration Method[J].Materials for mechancial engineering,2014,38(12):6～9
裴和君,欧阳求保,张荻,虞红.真空压力浸渗法制备金刚石/铝复合材料及其热性能[J].机械工程材料,2014,38(12):6～9
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