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Two-phase planar and regular lamellar coupled growth along the univariant eutectic reaction in ternary alloys: An analytical approach and application to the Al–Cu–Ag system
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10.1063/1.1906286
/content/aip/journal/jap/97/11/10.1063/1.1906286
http://aip.metastore.ingenta.com/content/aip/journal/jap/97/11/10.1063/1.1906286

Figures

Image of FIG. 1.
FIG. 1.

Schematic representation of two-phase planar and regular lamellar coupled eutectic growth during unidirectional solidification showing the solid-liquid interface growing ahead of the two phases ( and ) with a growth velocity .

Image of FIG. 2.
FIG. 2.

Schematic representation of an isothermal section in a hypothetical ternary eutectic phase diagram showing the eutectic valleys (dotted) arriving in the ternary eutectic point , the original alloy composition , and the univariant tie-triangle indicating the composition of the solid phases and and the composition of the univariant eutectic liquid .

Image of FIG. 3.
FIG. 3.

Schematic drawing of the lamellar eutectic interface showing the definition of the contact angles and .

Image of FIG. 4.
FIG. 4.

Liquidus projection (see Refs. 17 and 23) of the Al–Cu–Ag ternary system indicating the investigated univariant eutectic reaction .

Image of FIG. 5.
FIG. 5.

Interlamellar spacing as function of the inverse square root of the growth rate ; the points represent experimental data (see Ref. 17), the dotted lines represent the respective experimental data fit to a relationship, and the solid lines represent the corresponding calculated values for the two investigated Al–Cu–Ag alloys: (a) and (b) .

Image of FIG. 6.
FIG. 6.

Absolute values and relative change of the value as function of volume fraction calculated for the two investigated Al–Cu–Ag alloys.

Image of FIG. 7.
FIG. 7.

Sensitivity analysis of the constant with respect to the material property data. The horizontal axis represents the cases of a or change for the different relevant material properties in the case of the two investigated alloys.

Tables

Generic image for table
Table I.

Summary of simulation data available to calculate two-phase planar and lamellar eutectic growth in and .

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/content/aip/journal/jap/97/11/10.1063/1.1906286
2005-05-26
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Two-phase planar and regular lamellar coupled growth along the univariant eutectic reaction in ternary alloys: An analytical approach and application to the Al–Cu–Ag system
http://aip.metastore.ingenta.com/content/aip/journal/jap/97/11/10.1063/1.1906286
10.1063/1.1906286
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