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含能材料  2005 

纳米Fe3O4的制备及其对发烟剂性能的影响

Keywords: 物理化学,发烟剂,纳米,Fe3O4,红外消光性能,燃烧性能

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Abstract:

采用化学共沉淀法制备了纳米Fe3O4粒子,以微米Fe3O4、微米TiO2、纳米TiO2/Fe3O4及纳米Fe3O4为氧化剂配制了不同的发烟剂。采用XRD、DTA、红外透过率测试等方法对纳米Fe3O4及发烟剂的性能进行了表征,研究了发烟剂的燃烧性能和红外消光性能。结果表明,与常规氧化剂相比,纳米Fe3O4作氧化剂的发烟剂放热峰温前移,燃烧热变小,燃速加快,红外消光性能有一定提高。纳米Fe3O4用于发烟剂中氧化剂,有助于提高发烟剂的燃烧性能和红外消光性能。

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