Acta Metallurgica Sinica (English Letters) ›› 1993, Vol. 6 ›› Issue (7): 25-28.

• Research paper • Previous Articles     Next Articles

EFFECT OF OXIDE LAYER THICKNESS OVER Al AND Al ALLOY POWDERS ON QUALITY OF THEIR EXPLOSIVE COMPACTS

ZHANG Dengxia MA Chenghui CAI Ming Institute of Mechanics,Academia Sinica,Beijing,ChinaAI Baoren ZHANC Jinyuan ZHU Ruizhen LIU Chunlan Central Iron and Steel Research Institute,Ministry of Metallurgical Industry,Beijing,China Associate Professor,Institute of Mechanics,Academia Sinica,Beijing 100080,China   

  • Received:1993-07-11 Revised:1993-07-11 Online:1993-07-11 Published:2009-10-10

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Abstract: Observations of microstructure of explosive compacts made of Al or Al-Li alloy powders by atomization with water,nitrogen or ultrasoic Ar gas were carried out under optical and scanning electron microscopes.The rsults indicate that super quality explosive compact can only be obtained by powders of which the thickness of the oxide layer is less than 30 nm.

Key words: Al powder, Al-Li alloy powder, explosive compact, oxide layer

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