Classification of ballas and carbonado synthetic polycrystalline diamonds

被引：2
|
作者：
Laptev A.I. [1 ]
机构：
[1] Moscow Institute of Steel and Alloys, Moscow
来源：
Steel in Translation | 2014年 / 44卷 / 01期
关键词：
ballas diamond; carbonado diamond; polycrystalline diamonds; pressure; texture;
D O I：
10.3103/S0967091214010124
中图分类号：
学科分类号：
摘要：
The structure of diamond polycrystals synthesized at different pressures is studied. The direction of crystallite growth in the polycrystals depends on the pressure. On that basis, polycrystalline diamonds may be classified. In the synthesis of polycrystalline diamonds from isotropic graphite, ballas crystals are formed at 6.0-6.5 GPa, carbonado crystals at 11.0-12.0 GPa, and polycrystals of intermediate type at 7.5-9.0 GPa. © 2014 Allerton Press, Inc.
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页码：29 / 33
页数：4
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