Objective
Software code for the modelling of deformation texture development
Software code for the modelling of flow stress
Software code for the modelling of recrystallization
Evaluation of a set of different methodes for microstructure characterisation and the determination of the response in the microstructure to external factors
Evaluation and benchmarking of a set of different test methodes for the mesurement of flow stress.
Verification of the models through application to industrial processes and products.
This project aims to improve the quality of semi finished
aluminium products by optimising the thermomechanical
processing schedules involved in hot rolling and
extrusion. A large number of alloy products destined for
the building and packaging industries are subject to
increasing international competition impelling the
European producers to upgrade quality and to achieve
higher productivity Thermomechanical processing, in
particular controlled hot working, is the most cost
effective method of achieving these objectives, but the
complex strain paths encountered in hot rolling and
extrusion preclude empirical optimisation.
The primary objectives of this project are (i) to
quantify the effects of deformation parameters (e, g, T)
and shear on the development of microstructure and
textures and (ii) to develop physically based computer
models for practical use by the engineer in hot
thermomechanical processing of industriai alloys. Current
industrial problems concern grain structure and texture
control for hot rolled sheet and extrusion speed, surface
grain size and texture for extruded sections. The
physically based model will focus on microstructure,
grain size and texture evolution during hot working and
subsequent annealing and will be the first of its kind
for thermomechanical processing of aluminium alloys. It
will be adapted to industrial alloys and practical
combinations of plane strain compression and shear using
experimental data obtained by controiled deformation
tests and quantitative microstructural characterisation.
The models will be validated by comparing predictions
based on the models developed to industrial, full scale
production resuits. The consortium includes three
industrial partners, Hydro Aluminium, Pechiney and
Granges, and four research laboratories, EMSE, Ris0, SIMR
and SINTEF and one university, NTNU, a unique
industrial and scientific combination.
The project is expected to generate both short and long
term benefits for the industrial partners and the
European metallurgical industry in general. In the short
term, this new development will allow the industrial
partners to improve some essential hnal properties of
their products through an optimisation of their hot
deformation schedule leading to increased market shares:
The amount of earing during deep drawing of sheets for
packaging as weli as the surface appearance and
mechanical properties of extruded sections for the
building industry are properties which will be subject to
rigorous control. Over a longer period, computer assisted
thermomechanical processing is expected to become a
powerful tool for European manufacturers of not only
aluminium, but also steel and other material products. In
this way the European industrial partners expect to REAP
the benefits of a scientific approach to thermomechanical
processing.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences computer and information sciences software
- agricultural sciences agriculture, forestry, and fisheries agriculture grains and oilseeds
- natural sciences chemical sciences inorganic chemistry post-transition metals
- social sciences economics and business economics production economics productivity
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Coordinator
6600 SUNNDALSOERA
Norway
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.