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DALIAN UNIVERSITY OF TECHNOLOGY Login 中文
LIU Xin

Associate Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates


Gender:Male
Alma Mater:Dalian University of Technology
Degree:Doctoral Degree
School/Department:School of Chemistry
Discipline:Physical Chemistry (including Chemical Physics). Inorganic Chemistry
Business Address:西部校区化工综合楼C307.
Contact Information:Email: xliu@dlut.edu.cn
E-Mail:xliu@dlut.edu.cn
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Current position: Xin Liu's Homepage >> Scientific Research >> Paper Publications

升温速率对金属熔化和过热的影响

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Indexed by:期刊论文

Date of Publication:2003-12-30

Journal:大连轻工业学院学报

Volume:22

Issue:4

Page Number:250-255

ISSN No.:1005-4014

Key Words:分子动力学模拟;熔化;过热;金属铅;金属银

Abstract:采用分子动力学方法和QSC(Quantum Sutton-Chen)力场研究了升温速率对金属银和金属铅的熔化和过热行为的影响.研究结果表明,升温速率对金属银和铅的熔化和过热行为有很大影响,随着升温速率的升高,金属的熔点有所升高.高的升温速率会导致金属体系内部无序化程度增加,降低了熔化相变的能垒.升温速率导致的银和铅完美晶体的过热极限分别为1 450 K和800 K.

 

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