Abstract
A unified solute diffusion model is proposed for columnar and equiaxed dendritic alloy solidification, in which nucleation, growth kinetics and dendrite morphology are taken into account. Various applications to a uniformly solidified system are demonstrated, with emphasis on three special cases: complete solute mixing in the liquid, columnar growth with significant dendrite tip undercooling, and equiaxed dendritic growth. Theoretical predictions of microsegregation, eutectic fractions and cooling curves are compared with a number of previous theoretical and experimental results, and good agreement is found.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 199-211 |
| Number of pages | 13 |
| Journal | Materials Science and Engineering A |
| Volume | 171 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - Nov 1 1993 |
All Science Journal Classification (ASJC) codes
- General Materials Science
- Condensed Matter Physics
- Mechanics of Materials
- Mechanical Engineering
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