Preparation and combustion properties of α-Fe2O3 coated Zr particles
作者： Baoliang Lv , Yao Xu , Bo Hou , Dong Wu , Yuhan Sun
DOI: 10.1016/J.MATERRESBULL.2007.10.022
关键词: Nucleation 、 Polymer 、 Raman spectroscopy 、 Crystallography 、 Composite number 、 Scanning electron microscope 、 Zirconium 、 Chemical engineering 、 Crystal 、 Materials science 、 Combustion
摘要: Abstract Zirconium particles with irregular morphology and broad size distribution were uniformly coated by spherical α-Fe2O3 crystal grain via a facile route without polymer or surfactant as directing agents. The synthesized α-Fe2O3/Zr composite characterized X-ray diffraction, scanning electron microscopy, energy dispersion X-ray, UV–vis spectroscopy Raman spectroscopy. synthesis mechanism could be explained cooperated heterogeneous nucleation solid state transformation reaction. combustion properties of investigated. Compared Zr particles, the lasting time decreased from 16 s to 0.13 s top point temperature reached in increased 2004 °C 2378 °C particles.
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