Agglomeration Evolution of Nano-Particles Aluminium in Normal Incident Shock Wave  

作　　者：炎正馨 吴旌贺 胡栋 杨向东 

机构地区：[1]Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065 [2]National Key Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900 [3]不详

出　　处：《Chinese Physics Letters》2006年第1期217-219,共3页中国物理快报（英文版）

基　　金：Supported by the National Natural Science Foundation of China under Grant No 10574096, the Research Fund for the Doctoral Programme of High Education of China under Grant No 20050610010, and the National Key Laboratory Fund for Shock Wave and Detonation Physics Research.

摘　　要：Agglomeration behaviour of nano-particle aluminium （nano-Al） in normal incident shock waves is investigated by our devised shock tube technology. The morphology, particle size, agglomeration process of nano-Al studied in normal incident shock waves are comprehensible evaluated by x-ray diffraction, transmission electron microscopy and scanning electron microscopy. The above-mentioned techniques show that the high strength and temperature of incident shock wave give a chance for activity of nano-Al in the reactions and decrease the agglomeration, and the morphology of agglomeration is affected by the temperature of nano-Al reaction region. The dynamic temperature of reaction region determined by the intensity ratio of two A10 bands is 2602K, which is closer to nano-Al actual reacted temperature than the determined temperature of ordinary methods （i.e. six channel instantaneous optical pyrometer; plank black body radiation law, etc.）Agglomeration behaviour of nano-particle aluminium （nano-Al） in normal incident shock waves is investigated by our devised shock tube technology. The morphology, particle size, agglomeration process of nano-Al studied in normal incident shock waves are comprehensible evaluated by x-ray diffraction, transmission electron microscopy and scanning electron microscopy. The above-mentioned techniques show that the high strength and temperature of incident shock wave give a chance for activity of nano-Al in the reactions and decrease the agglomeration, and the morphology of agglomeration is affected by the temperature of nano-Al reaction region. The dynamic temperature of reaction region determined by the intensity ratio of two A10 bands is 2602K, which is closer to nano-Al actual reacted temperature than the determined temperature of ordinary methods （i.e. six channel instantaneous optical pyrometer; plank black body radiation law, etc.）

分 类 号：TB383[一般工业技术—材料科学与工程]