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16 April 2024
 
  » arxiv » cond-mat/0501494

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Dendritic to globular morphology transition in ternary alloy solidification
Denis Danilov ; Britta Nestler ;
Date 20 Dec 2004
Journal Phys. Rev. Lett. 93, 215501 (2004) DOI: 10.1103/PhysRevLett.93.215501
Subject Materials Science | cond-mat.mtrl-sci
AbstractThe evolution of solidification microstructures in ternary metallic alloys is investigated by adaptive finite element simulations of a general multicomponent phase-field model. A morphological transition from dendritic to globular growth is found by varying the alloy composition at a fixed undercooling. The dependence of the growth velocity and of the impurity segregation in the solid phase on the composition is analyzed and indicates a smooth type of transition between the dendritic and globular growth structures.
Source arXiv, cond-mat/0501494
Other source [GID 168883] pmid15601025
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