Paper Title:
Through Process Modelling of Microchemistry in AA3103
  Abstract

One of the challenges for the Aluminium industry is to reduce the costs and lead times of the development of novel alloys. This can be achieved by applying increasingly sophisticated models to predict the microstructures and properties of novel chemistries and processing routes. At Corus RD&T, several physically based microstructure models and one process model have been developed and integrated into a Through Process Model (TPM). The TPM presented here is constructed from microstructural sub-models that predict precipitation, work-hardening, recovery and recrystallisation. Furthermore, there is a finite difference based process model that predicts the local process variables like strain, strain rate and temperature. The final sub-model translates the predicted microstructures into product properties. In this paper the integrated model has been applied to the production chain of brazing sheet (AA3103) covering all steps from homogenisation to the braze cycle as applied by the manufacturers of for instance heat exchangers. The model predictions have been verified by comparing them to the results of full-scale a plant trial. Microstructure and mechanical properties were experimentally characterized and predicted at various production steps. Due to the limited space, here, only the results of the through process modelling on microchemistry are presented. Nevertheless it can be concluded that the (fully predictive) results of the models compare well with those found experimentally which opens up the option to use such models for alloy development.

  Info
Periodical
Materials Science Forum (Volumes 519-521)
Edited by
W.J. Poole, M.A. Wells and D.J. Lloyd
Pages
271-276
DOI
10.4028/www.scientific.net/MSF.519-521.271
Citation
C. Liu, A. Norman, M. van der Winden, "Through Process Modelling of Microchemistry in AA3103", Materials Science Forum, Vols. 519-521, pp. 271-276, 2006
Online since
July 2006
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Knut Sjølstad, Knut Marthinsen, Erik Nes
Abstract:In the present work a detailed characterisation of a cold rolled and annealed AA3103- alloy has been carried out. The effect of different...
677
Authors: Mischa Crumbach, Tom Quested, Richard Hamerton
Abstract:Through-Process modelling (TPM) of microstructure evolution during thermomechanical processing of sheet produced from direct chill (DC) cast...
1511
Authors: Tom Quested, Mischa Crumbach, Richard Hamerton
Abstract:This paper contains a review of microstructural through-process modelling (TPM) and the particular role of ingot metallurgy from an...
1783
Authors: Cheng Liu, Johnson Go, Willam S. Miller, Menno van der Winden
119
Authors: Joseph D. Robson, Thomas Hill, Nicolas Kamp
Chapter 8: Modelling and Simulation
Abstract: The influence of hot deformation on the evolution of size, shape, and fraction of dispersoids has been studied in a simple 3xxx...
697