Features of the Growth of Nitride Layers in the Self-Propagating High-Temperature Synthesis of Chromium Nitrides

被引：0
|
作者：
Braverman, B. Sh. [1 ]
Lepakova, O. K. [1 ]
Maksimov, Yu. M. [1 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Tomsk Sci Ctr, Chair Struct Macrokinet, Tomsk 634021, Russia
来源：
RUSSIAN JOURNAL OF NON-FERROUS METALS | 2008年 / 49卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
Cermets - Nitrides - Fracture mechanics;
D O I：
10.3103/S1067821208020119
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The formation of product layers during combustion of a chromium powder in nitrogen under a pressure of 1-10 MPa is studied. It is shown that nitride Cr2N forms continuous protective layers, whereas during the formation of CrN, the product layer is partially destroyed. Strength properties of chromium nitrides were determined by the indentation method with a diamond indenter. CrN has a lower strength and higher brittleness compared with Cr2N, which can explain the above phenomenon.
引用
收藏
页码：126 / 129
页数：4
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