Reference : Foam-like evolution in polycrystalline systems following successive 'melt and growth'...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/18004
Foam-like evolution in polycrystalline systems following successive 'melt and growth' cycles
English
Vandewalle, Nicolas mailto [Université de Liège - ULg > Département de physique > Physique statistique >]
Delisse, B. [ > > ]
Ausloos, Marcel mailto [Université de Liège - ULg > Département de physique > Physique statistique appliquée et des matériaux - S.U.P.R.A.S. >]
Cloots, Rudi mailto [Université de Liège - ULg > Département de chimie (sciences) > Chimie inorganique structurale - Doyen de la Faculté des Sciences >]
Oct-1998
Philosophical Magazine B-Physics of condensed matter statistical mechanics electronic optical and magnetic properties
78
4
397-408
Yes
0141-8637
[en] A stochastic model of multigrain growth which allows for successive melting-growth cycles is investigated on a square lattice. Two fundamental constraints are introduced: (i) the melted mass amplitude and (ii) the number of cycles guide the process. The evolution of the microstructure is found to be quite similar to foam systems, i.e. topological rearrangements are observed together with the increase of the-mean grain area. A drastic crossover between two types of growth regimes is found as a function of the amplitude of the melting-growth cycles. This allows one to envisage the existence of optimal conditions for polycrystal processing.
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http://hdl.handle.net/2268/18004

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