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Effect of solidification through cross-section change on dendritic array morphology in single crystal castings
Yuna Marcos dos Anjos
Chemical and Biomedical Engineering Department
Cleveland State University
Summer 2015
OutlineIntroductionDirectional SolidificationExperimentConclusions
Introduction
Directional solidification
Directional Solidification
Directional Solidification
Mushy Zone
ExperimentsAlloy selection
Table 1: Coefficient of Thermal Expansion and Coefficient of Solutal Expansion of the Alloy of Interest Alloy 𝛽𝑇 (K-1) 𝛽 𝐶 (% solute)-1
Al-7 wt% Si -1.8510-4 1.310-3
Steady-State Portion
Cross-section ChangeContractions
Cross-section ChangeExpansions
Solid
Conclusion
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