Synthesis and Reactive Properties of Iron Oxide-Coated Nanoaluminum

被引：14

作者：

Kaplowitz, Daniel A. ^{[1
]}

Jian, Guoqiang ^{[1
]}

Gaskell, Karen ^{[1
]}

Jacob, Rohit ^{[1
]}

Zachariah, Michael R. ^{[1
]}

机构：

[1] Univ Maryland, Dept Chem & Biomol Engn, College Pk, MD 20742 USA

来源：

JOURNAL OF ENERGETIC MATERIALS | 2014年 / 32卷 / 02期

关键词：

aerosol; ignition temperature; iron; (II; III); oxide; iron oxide-coated nanoaluminum; iron pentacarbonyl; ENERGETIC MATERIALS; ALUMINUM PARTICLES; MASS-SPECTROMETRY; NANOPARTICLES; NICKEL; FE; IGNITION;

D O I：

10.1080/07370652.2013.767288

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A homogeneous coating of Fe3O4 on in situ-generated nanoaluminum was accomplished by thermal decomposition of Fe(CO)(5) in an aluminum aerosol stream and subsequent oxidation of iron by air bleed. X-ray photoelectron spectroscopy (XPS) investigation revealed that oxygen penetrated through this coating, and Fe3O4 facilitated the formation of an expanded aluminum oxide layer compared to an uncoated aluminum case. Closed cell combustion tests displayed a minor decrease in pressure response for the coated product, which was attributed to the increased aluminum oxide layer. The critical ignition temperature was reduced for the coated product in T-jump fine-wire combustion tests.

引用

页码：94 / 104

页数：11

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