A Study on Solid/Melt Interfaces and the Formation of (100) Texture in Solidified FCC Metals

材料科学技术（英文）, 1997, 13(6): 457-461.

A Study on Solid/Melt Interfaces and the Formation of (100) Texture in Solidified FCC Metals

D.Y.Li(Dept. of Mater. Sci & Eng. , The Pennsylvania State University , University Park , PA 16802 , USA )B.Debray and J.A.Szpunar(Dept. of Metall. Eng. , McGill University , 3450 Uuiversity Street , Molitreal , PQ , Canada H3A 2A7)

The (100) texture of solidified fcc metals, caused by the preferential (100) dendrite growth, could be closeIy related to solid/melt interfaces which behave differently along different crystallographic orientation. The stability and roughness of {111} and {100} solid/melt interfaces of fcc metals were investigated using a modified Temkin multi-layer model. It is demonstrated that {100}crystal/melt interface is more unstable and rougher than {111} interface. The effect of the stability of crystal/melt interface on the (100) texture formation in solidified fcc metals has been analysed and discussed.

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A Study on Solid/Melt Interfaces and the Formation of (100) Texture in Solidified FCC Metals

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