本文以金刚石、立方氮化硼和一些典型化合物为例，系统地介绍了高压技术在无机合成中的应用。
By taking diamond and cubic boron nitride as model compounds, this paper presents a systematic description on applications of high-pressure technique in inorganic synthesis.
在高温高压下，六方晶格的石墨转变为立方晶格的金刚石。
Under the high temperature and high pressure, the hexagonal graphite crystals can change into the tetragonal diamond crystals.
主要对常用的金属结合剂和金属复合超硬材料（金刚石、立方氮化硼）材料做了简单的介绍和描述。
This paper has a simple introduction on the metal bonds and the composites of metal and superhard materials(diamond and cubic boron nitride).
透射电镜(TEM)和高分辨电镜(HREM)分析表明，所制备的纳米晶金刚石为立方金刚石和六方金刚石晶体。
Transmission electron microscopy (TEM) and high resolution electron microscopy (HREM) indicate that nano crystalline diamonds have hexagonal lattice and cubic lattice.
目前使用金刚石或立方氮化硼抛光工具进行超声波抛光，这类抛光工具价格昂贵，且形状修整困难。
At present, the polishing tool for ultrasonic polishing is used by diamond or cubic boron nitride, the polishing tool has very expensive price, and the shaping is difficult.
除常见的立方金刚石结构外，还存在一种罕见的六方金刚石结构。它们通常共存在一个金刚石织构体中，形成共生晶体。
They are made up from both of cubic and hexagonal diamond crystal structures, which are called a sort of intergrowth crystals.
针对金刚石砂轮磨削聚晶立方氮化硼（PCBN）复合片时出现的非正常现象，提出了相应的对策。
Some relevant measures for non-normal phenomena occurring in the process of grinding PCBN with grinding wheel are pointed out.
超硬材料金刚石及立方氮化硼，由于其独特的性能，近年来在国内外得到蓬勃发展及广泛应用。
In recent years, ultrahard materials such as diamond and CBN have been developed rapidly and used widely due to its unique properties.
本文介绍了立方氮化硼(CBN)和它的组织结构、机械加工性能及其与金刚石性能的比较。
In this paper the constitutional structure and specific cutting performance of a new type of the super hard tool material (CBN) is introduced and compared with diamond.
本文介绍了立方氮化硼(CBN)和它的组织结构、机械加工性能及其与金刚石性能的比较。
In this paper the constitutional structure and specific cutting performance of a new type of the super hard tool material (CBN) is introduced and compared with diamond.
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