Studies on the ignition behaviour of boron powder

作者: Ashish Jain , S. Anthonysamy , K. Ananthasivan , G.S. Gupta

DOI: 10.1016/J.TCA.2009.12.011

关键词: Chemical engineeringBoron carbideMaterials scienceIgnition systemParticle sizeThermogravimetryMineralogyAutoignition temperaturePartial pressureThermal analysisBoron

摘要: The ignition behaviour of boron powder, prepared through electrowinning process, was studied by using thermogravimetry coupled with simultaneous differential thermal analysis (TG-SDTA). The dependence of the inception of the ignition reaction on the partial pressure of oxygen, particle size of the boron powder and heating rate was investigated. It was observed that all these factors affect the ignition temperature. Boron powder with a mean particle size of about 10μm was found to be susceptible to ignition in oxygen even at 783K …

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