纳米PCD材料合成的技术难点  

The technical difficulties of nano-polycrystalline diamond material synthesis

作　　者：邓福铭[1] 王强[1] 陆绍悌[1] 张丹[1] 赵晓凯[1] 

机构地区：[1]中国矿业大学(北京)超硬刀具材料研究所,北京100083

出　　处：《超硬材料工程》2013年第2期49-52,共4页Superhard Material Engineering

摘　　要：文章探讨了高温高压法制备纳米PCD材料技术的研究现状及存在的问题,针对纳米金刚石纯化技术、表面净化技术,以及高压烧结中表面石墨化、塑性变形、纳米聚晶形成与再结晶晶粒长大控制等关键技术难点进行分析,期望能为今后纳米PCD材料的应用开发提供理论上的帮助。The paper has introduced the status and problems of the synthesis technology of nano-polycrystalline diamond material with high temperature and high pressure method, analyzed the key technical difficulties such as nano diamond purification technology, sur- face cleaning technology, and surface graphitization, plastic deformation, nano crystalline formation and recrystallization grain growth control in high pressure sintering. Hope that it could provide theoretical help for the future development of the application of nano- polycrystalline diamond material.

关 键 词：纳米金刚石 聚晶金刚石 综述 高温高压 表面化学组成 

分 类 号：TQ164[化学工程—高温制品工业]