Melting mechanisms at the limit of superheating

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	Melting mechanisms at the limit of superheating
	Z. H. Jin; P. Gumbsch; K. Lu; E. Ma
	2001
发表期刊	Physical Review Letters
ISSN	0031-9007
卷号	87 期号:5
摘要	The atomic-scale details during melting of a surface-free Lennard-Jones crystal were monitored using molecular dynamics simulations. Melting occurs when the superheated crystal spontaneously generates a sufficiently large number of spatially correlated destabilized particles that simultaneously satisfy the Lindemann and Born instability criteria. The accumulation and coalescence of these internal local lattice instabilities constitute the primary mechanism for homogeneous melt nucleation inside the crystal, in lieu of surface nucleation for equilibrium melting. The vibrational and elastic lattice instability criteria as well as the homogeneous nucleation theory all coincide in determining the superheating limit.
部门归属	chinese acad sci, inst met res, state key lab rsa, shenyang 110015, peoples r china. max planck inst met res, d-70174 stuttgart, germany. johns hopkins univ, dept mat sci & engn, baltimore, md 21218 usa.;jin, zh (reprint author), chinese acad sci, inst met res, state key lab rsa, shenyang 110015, peoples r china;jin@finix.mpi-stuttgart.mpg.de
关键词	Embedded-atom Method Homogeneous Crystals Molecular-dynamics Surface Metals Instabilities Interface Criteria Defects Liquid
URL	查看原文
WOS记录号	WOS:000170212200034
引用统计	被引频次：353[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/36686
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Z. H. Jin,P. Gumbsch,K. Lu,et al. Melting mechanisms at the limit of superheating[J]. Physical Review Letters,2001,87(5).
APA	Z. H. Jin,P. Gumbsch,K. Lu,&E. Ma.(2001).Melting mechanisms at the limit of superheating.Physical Review Letters,87(5).
MLA	Z. H. Jin,et al."Melting mechanisms at the limit of superheating".Physical Review Letters 87.5(2001).