Interaction between Fe-Ti-B4C Powder Charge Components During Heating

被引：0
|
作者：
Goncharuk, D. A. [1 ]
Baglyuk, G. A. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Frantsevich Inst Problems Mat Sci, Kiev, Ukraine
来源：
POWDER METALLURGY AND METAL CERAMICS | 2013年 / 51卷 / 9-10期
关键词：
thermal synthesis; carbide steel; carbide; titanium diboride; exothermic reaction; sintering; structurization; phase composition; COMPOSITES;
D O I：
10.1007/s11106-013-9466-1
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The structurization of compacted Fe-Ti-B4C powder mixtures during reaction synthesis is studied. X-ray diffraction of the material synthesized at 1200A degrees C shows the presence of TiC and TiB2 phases formed in the interaction of titanium with carbon and boron resulting from the dissolution of B4C particles in the liquid phase and the interaction of iron with boron. The reaction between titanium, iron, and carbon (boron) is accompanied by a significant exothermic effect confirmed by the presence of two exothermic peaks on the DTA curve at 1085A degrees C (corresponding to the eutectic formed in the Fe-Ti system in the interaction of respective mixture particles on contact surfaces) and 1236A degrees C (resulting from the formation of titanium diboride and carbide particles from the liquid phase).
引用
收藏
页码：547 / 553
页数：7
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