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Determination of Boundary Conditions During the Start-Up of DC Casting

[+] Author Affiliations
Suyitno, L. Katgerman

Delft University of Technology, Delft, The Netherlands

A. Burghardt

Corus RD&T, IJmuiden, The Netherlands

Paper No. IMECE2002-33830, pp. 147-154; 8 pages
doi:10.1115/IMECE2002-33830
From:
  • ASME 2002 International Mechanical Engineering Congress and Exposition
  • Heat Transfer, Volume 5
  • New Orleans, Louisiana, USA, November 17–22, 2002
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 0-7918-3636-3 | eISBN: 0-7918-1691-5, 0-7918-1692-3, 0-7918-1693-1
  • Copyright © 2002 by ASME

abstract

The start-up phase of DC (direct chill) casting of aluminium alloys is a critical stage during which unwanted phenomena can occur, for example: butt curl, ingot cracking, and re-melting. To avoid these problems, simulation of the DC casting process during this phase is very important. However, the simulation task is not an easy job, because the boundary conditions to be applied are not easily defined and established. To define the boundary condition inverse methods are used in combination with experimental data. The aim of the simulations is intended to predict butt curl and butt temperatures. By application of inversely determined boundary conditions, results can be obtained that correlate well to measured data, even for different casting practices.

Copyright © 2002 by ASME

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