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《Chinese Journal of Energetic Materials》 2008-01
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Ultrasonic Monitoring in Explosive Cast Process

TIAN Yong1,2,LIU Shi1,ZHOU Hong-ping2,ZHANG Wei-bin2,YANG Zhan-feng2,LUO Guan2(1.Graduate University of Chinese Academy of Science,Beijing 100080,China;2.Insititute of Chemical Materials,CAEP,Mianyang 621900,China)  
The ultrasonic parameters,such as amplitude and wave shape and ultrasonic velocity were monitored during explosive cast process with the heat preservation and natural cooling by using ultrasonic transmission test.The results show that the ultrasonic amplitude at the bottom position of explosive is obviously greater than that at the middle and top positions,indicating the quality of cast explosive at bottom is the best.The ultrasonic amplitude of explosive with heat preservation is larger than that with the natural cooling at the same position,indicating that heat preservation technique is effective to control cast quality.
【Fund】: 中物院重大基金资助项目(2005Z0504)
【CateGory Index】: TQ560.6
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