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《Chinese Journal of Explosives & Propellants》 2008-06
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Preparation of Nano α-Al_2O_3 Powder and Its Influence on the Impact Sensitivity of RDX

ZHANG Shao-ming,HU Shuang-qi,ZHAO Hai-xia(School of Chemical Engineering and Environment,North University of China,Taiyuan 030051,China)  
The nanometer α-Al2O3 powder was prepared by precipitation method with Al(OH)3 as raw material,and its structure was characterized by XRD,TEM and grain-testing.The influence of nanometer α-Al2O3 on the impact sensitivity of RDX was studied through testing the drop hammer impact of RDX and RDX/nanometer α-Al2O3.The action mechanism of the nanometer α-Al2O3 in the composite explosive was also discussed.The results showed that the average particle diameter powder of α-Al2O3 was 59.3nm,which was dispersive evenly;the impact sensitivity of RDX/nanometer α-Al2O3 decreased obviously with the increase in the nanometer α-Al2O3 content.
【Fund】: 山西省太原市大学生创新创业专项(编号:3978)
【CateGory Index】: TB383.1
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