Effect of mechanical activation on thermal explosion in Ni-Al mixtures

被引：0
作者：
D. Yu. Kovalev
N. A. Kochetov
V. I. Ponomarev
A. S. Mukasyan
机构：
[1] Russian Academy of Sciences,Institute of Structural Macrokinetics and Materials Science
[2] University of Notre Dame,Department of Chemical and Biomolecular Engineering
来源：
International Journal of Self-Propagating High-Temperature Synthesis | 2010年 / 19卷 / 2期
关键词：
SHS; thermal explosion; Ni-Al system;
D O I：
10.3103/S106138621002007X
中图分类号：
学科分类号：
摘要：
The effect of mechanical activation (MA) on thermal explosion in equimolar Ni-Al mixtures was studied by time-resolved XRD. MA was also found to increase the burning velocity and decrease the ignition temperature. Thermal explosion in non-activated Ni-Al mixtures was found to proceed via formation of liquid (melted) intermediate products, while that in the activated mixtures gave no liquid intermediates.
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页码：120 / 125
页数：5
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