A unified solute diffusion model for columnar and equiaxed dendritic alloy solidification

Chao-yang Wang, C. Beckermann

Research output: Contribution to journalArticlepeer-review

126 Scopus citations

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 languageEnglish (US)
Pages (from-to)199-211
Number of pages13
JournalMaterials Science and Engineering A
Volume171
Issue number1-2
DOIs
StatePublished - Nov 1 1993

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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