COMPUTER-SIMULATION OF THE TIME EVOLUTION OF A QUENCHED MODEL ALLOY IN THE NUCLEATION REGION

被引:248
作者
MARRO, J
LEBOWITZ, JL
KALOS, MH
机构
[1] RUTGERS STATE UNIV,DEPT MATH & PHYS,NEW BRUNSWICK,NJ 08903
[2] NYU,COURANT INST MATH SCI,NEW YORK,NY 10012
关键词
D O I
10.1103/PhysRevLett.43.282
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The time evolution of the structure function and of the cluster (or grain) distribution following quenching in a model binary alloy with a small concentration of minority atoms is obtained from computer simulations. The structure function S̄(k,t) obeys a simple scaling relation, S̄(k,t)=K-3F(kK) with K(t)t-a, a≅0.25, during the latter and larger part of the evolution. During the same period, the mean cluster size grows approximately linearly with time. © 1979 The American Physical Society.
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页码:282 / 285
页数:4
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