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A two-phase model for thermally induced deformation and liquid feeding in the mushy zone

SINTEF and INPG have developed a two-phase model by which the main mechanism for hot tearing formation, i.e., interdendritic melt flow caused by solidification shrinkage, and thermally induced deformation in the entirely solidified parts of the casting and in the solid phase within the cooler parts of the coherent mushy zone, are taken into account. This model will serve as a basis for new hot tearing criteria build on two-phase quantities.

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SINTEF Materials Technology
P.O. Box 124 Blindern
0314 Oslo
Norway
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