SHS in the Ni–Al system: Influence of mechanical activation, vacuum heat treatment, and ambient pressure

被引：2
|
作者：
Kochetov N.A. [1 ]
Markin N.V. [1 ]
机构：
[1] Institute of Structural Macrokinetics and Materials Science, Russian Academy of Sciences, Chernogolovka, Moscow
来源：
International Journal of Self-Propagating High-Temperature Synthesis | 2015年 / 24卷 / 03期
关键词：
ambient pressure; combustion synthesis; mechanical activation; NiAl; SHS; vacuum heat treatment;
D O I：
10.3103/S1061386215030061
中图分类号：
学科分类号：
摘要：
Explored was the influence of mechanical activation (MA), vacuum heat treatment (VHT), and ambient pressure on combustion of Ni–Al mixtures. Burning velocity was found to grow with increasing MA time. An increase in ambient pressure hampered the elongation of burned samples. No elongation was found for non-activated and heat-treated samples. VHT strongly accelerated combustion and prevented the formation of cracks on the surface of burned samples. The results were rationalized in terms of convection–conduction combustion theory. © 2015, Allerton Press, Inc.
引用
收藏
页码：132 / 134
页数：2
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