Cryo-Milled Nickel–Aluminum Nanostructured Composites: Bifurcated Ignition Mode

IF 0.5 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2023-01-09 DOI:10.3103/S1061386222040070

J. M. Pauls, J. C. Murphy, M. Drake, A. S. Rogachev, A. S. Mukasyan

引用次数: 0

Abstract

We report the use of high-energy cryo-milling for fabrication of reactive composite Ni/Al particles. Specifically, the CryoMill (Retsch) with liquid nitrogen was used with milling times in the range of 5 to 40 min. The microstructure of the obtained particles and their ignition characteristics were investigated. A novel bifurcated ignition mode for intermediate milling times was observed. The correlations between the microstructure of the Ni/Al particles and their reactivity were discussed.

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低温铣削镍铝纳米结构复合材料:分岔点火模式

我们报道了使用高能低温铣削制备反应性复合Ni/Al颗粒。具体来说，使用液氮CryoMill (Retsch)，铣削时间在5 ~ 40 min范围内，研究了得到的颗粒的微观结构和点火特性。观察到一种新的中间铣削时间分岔点火模式。讨论了Ni/Al颗粒的微观结构与反应性之间的关系。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Self-Propagating High-Temperature Synthesis MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

1.00

自引率

33.30%

发文量

期刊介绍： International Journal of Self-Propagating High-Temperature Synthesis is an international journal covering a wide range of topics concerned with self-propagating high-temperature synthesis (SHS), the process for the production of advanced materials based on solid-state combustion utilizing internally generated chemical energy. Subjects range from the fundamentals of SHS processes, chemistry and technology of SHS products and advanced materials to problems concerned with related fields, such as the kinetics and thermodynamics of high-temperature chemical reactions, combustion theory, macroscopic kinetics of nonisothermic processes, etc. The journal is intended to provide a wide-ranging exchange of research results and a better understanding of developmental and innovative trends in SHS science and applications.