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《Journal of University of Science and Technology Beijing》 2006-08
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Influence of thermal pulse on crystalline-to-amorphous transformation of pure Cu

FAN Shaorong,NI Xiaodong,ZHANG YuanzhengApplied Science School,University of Science and Technology Beijing,Beijing 100083,China  
The molecular dynamic simulation and the embedded atom method (EAM) were used to simulate the influence of thermal pulse with different frequencies on the transformation of Cu from crystalline state to non-crystalline state. The results show that the average system temperature is higher than the calculated equilibrium melting point of Cu while the transformation occurs which should be an overheated melting process. It is impossible to transfer the crystalline state into non-crystalline state under thermal pulse. With increasing thermal pulse frequency,the minimum thermal pulse energy and system overheating degree decrease.
【Fund】: 国家自然科学基金资助项目(No.50472092)
【CateGory Index】: TG139.8
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