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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

升温速率对金属铅的熔化和过热行为的影响

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Indexed by:期刊论文

Date of Publication:2003-08-01

Journal:物理化学学报

Included Journals:SCIE、PKU、ISTIC、CSCD、Scopus

Volume:19

Issue:8

Page Number:681-685

ISSN No.:1000-6818

Key Words:分子动力学模拟;熔化;过热;金属铅

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铅的熔化和过热行为的影响.模拟中考虑了缺陷和表面对熔化和过热行为的作用.结果表明,升温速率对金属铅的熔化和过热行为影响很大,随着升温速率的升高,金属铅的熔点有所升高.快的升温速率会导致金属铅体系内部无序化程度增加,进而使体系能量增加,降低了熔化相变的能垒.升温速率导致的金属铅的过热极限大约为 780 K.

 

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