Mechanosynthesis of Cu-Fe3C Nanocomposites Using Liquid Hydrocarbon

被引:0
|
作者
Eremina, M. A. [1 ]
Lomaeva, S. F. [1 ]
Elsukov, E. P. [1 ]
Ulyanov, A. L. [1 ]
Chulkina, A. A. [1 ]
机构
[1] Russian Acad Sci, Ural Branch, Phys Tech Inst, Ul Kirova 132, Izhevsk 426000, Russia
来源
CHEMISTRY FOR SUSTAINABLE DEVELOPMENT | 2013年 / 21卷 / 06期
关键词
mechanical alloying; nanocomposites; copper; cementite;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Features of the formation of macro and microstructural state and the phase composition of Cu-30 vol. % Fe3C nanocomposites obtained by mechanical alloying of copper and iron powders in the liquid source of carbon (xylene) followed by thermal treatment were studied by means of X-ray phase analysis, Mossbauer spectroscopy, scanning electron and optical microscopy, measurement of dynamic magnetic susceptibility. It was demonstrated that iron carbides are not formed during alloying; however, for the alloys obtained by grinding for 96 h, annealing at a temperature above 500 degrees C leads to the formation of cementite with the volume fraction of about 30 %. The grain size of the copper matrix of this composite is 10 nm, while after annealing at 800 degrees C it is 30 nm.
引用
收藏
页码:585 / 592
页数:8
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