Phase field modeling of solidification microstructure evolution during welding

Fengyi Yu, Yanhong Wei, Yanzhou Ji, Long Qing Chen

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

The misorientation angle between the preferred crystalline orientation and the temperature gradient influences both the incubation time and the average wavelength of any initial instability during the planar growth stage, as well as the dendrite growth direction and the primary dendrite arm spacing during the subsequent epitaxial growth stage. The solidification microstructure gradually changes from normal or tilted dendrites to a seaweed-like structure as the misorientation angle increases. The simulation of the initial wavelength, primary dendrite arm spacing and interface morphology are in general agreement with the experimental observations.

Original languageEnglish (US)
Pages (from-to)285-293
Number of pages9
JournalJournal of Materials Processing Technology
Volume255
DOIs
StatePublished - May 2018

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Computer Science Applications
  • Metals and Alloys
  • Industrial and Manufacturing Engineering

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