较粗糙的表面是影响金刚石厚膜广泛使用的因素之一.本文对CVD金刚石厚膜进行了机械抛光的正交实验研究.实验结果表明,影响抛光效率的因素依次为抛光盘的磨粒、转速、正压力和抛光面积.采用较大粒度的磨盘,适当增加转速和压力有利于提高抛光的效率.此外用XRD方法对机械抛光前后的膜的残余应力进行了测定和对比分析,结果表明,经过机械抛光,残余拉应力明显减小.
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