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含能材料  2007 

红磷与纳米氧化铝组合烟幕对10.6μm激光的消光系数研究

Keywords: 应用化学,红磷,氧化铝,激光,烟幕,消光系数

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Abstract:

为了提高红磷烟幕对10.6μm激光的消光性能,在中型烟幕试验柜中分别测试了纳米氧化铝气溶胶、红磷及其组合烟幕对10.6μm激光的质量消光系数。在空气相对湿度为40%的条件下,纳米氧化铝气溶胶、红磷及其组合烟幕对入射功率为1.0W的10.6μm激光的平均质量消光系数分别为0.222,0.298,0.449m2·g-1。根据试验结果,纳米氧化铝气溶胶和红磷烟幕组合使用后可以显著改善纳米氧化铝粉体的分散特性,并使得红磷烟幕对该波段激光的质量消光系数提高50.7%。

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