Physico-mechanical properties and structure of diamond polycrystalline composite materials produced from variously dispersed powders

被引：2
|
作者：
Shul'zhenko, A. A. [1 ]
Sokolov, A. N. [1 ]
Loshak, M. G. [1 ]
Aleksandrova, L. I. [1 ]
Zaika, N. I. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Bakul Inst Superhard Mat, UA-04074 Kiev, Ukraine
来源：
JOURNAL OF SUPERHARD MATERIALS | 2008年 / 30卷 / 01期
关键词：
diamond; high-pressure; nanocomposite; thermostability;
D O I：
10.3103/S1063457608010036
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A nanostructural diamond composite material having grains of average size 0.08 mu m and hardness corresponding to the hardness of diamond composite materials with grains of average size 30 mu m has been produced using nanotechnologies of powder materials. Temperature dependences of hardness of nanostructural diamond composites of various dispersions have been compared. The thermostability of a diamond composite has been shown to depend not only on the composition of a sintering aid but on the size of diamond powders as well. Our findings have indicated that the material obtained holds promise in finishing products of nonferrous metals and alloys instead of natural diamonds.
引用
收藏
页码：23 / 27
页数：5
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