Thermal Reaction Characteristics of Nano/Micron-Sized Aluminum Mixtures in Carbon Dioxide

被引：1
|
作者：
Zhu, Baozhong [1 ]
Yin, Shoulai [1 ]
Sun, Yunlan [1 ]
Wang, Qichang [1 ]
Zhu, Zicheng [1 ]
机构：
[1] Anhui Univ Technol, Sch Energy & Environm, Maanshan 243002, Anhui, Peoples R China
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B | 2018年 / 12卷 / 03期
基金：
中国国家自然科学基金;
关键词：
thermal reaction characteristics; aluminum powder; carbon dioxide; synergistic effect; FLAME PROPAGATION; NANO-ALUMINUM; PARTICLES; COMBUSTION; NANOPOWDERS; MECHANISM; PRESSURE; IGNITION; FUEL; COAL;
D O I：
10.1134/S1990793118030193
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
Thermal reaction characteristics of nano/micron-sized aluminum mixtures in a carbon dioxide atmosphere were investigated by thermogravimetry that aimed to examine the interactions between nanosized aluminum powder and micron-sized aluminum powder. Thermal reaction characteristics of nano/micron-sized aluminum mixtures at different ratios were studied. The synergistic effect mechanism was discussed by comparing experiment result and theoretical calculation. The morphologies and compositions of products were obtained by scanning electron microscopy and X-ray diffraction technologies. Results indicated that there were three weight gain stages for nano/micron-sized aluminum mixtures at different ratios. Although the temperature range of synergistic effect of nano/micron-sized aluminum mixtures with various ratios had somewhat differences, there was a significant synergistic effect from about 900 to 1040A degrees C. The products analyses indicated that the products morphologies of nano/micron-sized aluminum particles showed molten and stuck together, and products contained aluminum and alpha-Al2O3.
引用
收藏
页码：438 / 447
页数：10
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