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.
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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