Effects of velocity-based packing criteria on models of alloy solidification with free floating solid

A. Plotkowski, Matthew J.M. Krane

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

In many solidification processes, particularly in the presence of grain refiner, solid grains initially form as free floating particles suspended within the liquid metal. As these grains continue to grow in number and size, their interactions cause them to form a permeable rigid solid structure. The majority of these models for equiaxed solidification assume that the transition from a slurry of particles to a rigid solid structure occurs at a fixed, uniform solid fraction. This approach does not include the influence of the local velocity field on the likelihood of packing. The present study investigates the effects of three different methods of including the solid particle velocity into packing rules and applies them to simulations of static castings. The advantages and disadvantages of these approaches are discussed in relation to the more common constant packing fraction model.

Original languageEnglish
Title of host publicationRare Metal Technology 2016 - Held During TMS 2016
Subtitle of host publication145th Annual Meeting and Exhibition
EditorsLaurentiu Nastac, Shafiq Alam, Shafiq Alam, Laurentiu Nastac, Lifeng Zhang, Hojong Kim, Neale R. Neelameggham, Lifeng Zhang, Lifeng Zhang, Takanari Ouchi, Brian G. Thomas, Harald Oosterhof, Miaoyong Zhu, Andreas Ludwig, Andreas Ludwig, Adrian S. Sabau, Koulis Pericleous, Herve Combeau
PublisherMinerals, Metals and Materials Society
Pages151-158
Number of pages8
ISBN (Electronic)9781119225768, 9781119231073
DOIs
StatePublished - 2016
Externally publishedYes
EventCFD Modeling and Simulation in Materials Processing 2016 - TMS 2016: 145th Annual Meeting and Exhibition - Nashville, United States
Duration: Feb 14 2016Feb 18 2016

Publication series

NameTMS Annual Meeting
Volume2016-January

Conference

ConferenceCFD Modeling and Simulation in Materials Processing 2016 - TMS 2016: 145th Annual Meeting and Exhibition
Country/TerritoryUnited States
CityNashville
Period02/14/1602/18/16

Keywords

  • Equiaxed solidification
  • Finite volume
  • Keywords
  • Particle attachment

Fingerprint

Dive into the research topics of 'Effects of velocity-based packing criteria on models of alloy solidification with free floating solid'. Together they form a unique fingerprint.

Cite this