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SOLIDIFICATION OF PURE METAL

SOLIDIFICATION OF PURE METAL. TUSHAR ANEYRAO. Contents. Solidification of Metals Nucleation and Grain Growth Cooling Curves Homogenous Nucleation Heterogeneous Nucleation Dendrites Shrinkage. Why?.

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SOLIDIFICATION OF PURE METAL

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  1. SOLIDIFICATION OF PURE METAL TUSHAR ANEYRAO

  2. Contents • Solidification of Metals • Nucleation and Grain Growth • Cooling Curves • Homogenous Nucleation • Heterogeneous Nucleation • Dendrites • Shrinkage

  3. Why? • Knowledge of solidification leads to understanding of successful and defect free casting process. • Many important characteristics such as CRYSTAL SRUCTURE & ALLOY COMPOSTION at different parts of metal are decided in Solidification Process

  4. Cooling of metal

  5. SOLIDIFICATION OF PURE METAL

  6. Formation of Nucleus

  7. Crystal Growth

  8. Crystal Growth

  9. Types of Crystal • Columnar Crystal • Dendritic Structure

  10. Columnar Structure

  11. Dendritic Structur

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