In order to adequately simulate the behavior of a Hall–Héroult electrolysis cell, a finite element model must take into account the properties of each material forming the cell structure and those contained in it. However, there is some lack of full knowledge of the mechanical behavior of these materials, e.g., the long term viscoelastic (creep/relaxation) behavior of the carbon cathode. In this present paper, a three-dimensional viscoelastic model is devised and proposed, being ready to be implemented in a finite element code. This 3D viscoelastic model was developed from the thermodynamics of irreversible processes, where the selection of the model’s internal variables was based on a phenomenological approach. The model has been developed at a particular reference state; therefore, the model parameters are represented by constant constitutive tensors. The model’s particular parameters were identified for three different types of cathode carbon, i.e., semigraphitic, graphitic, and graphitized.
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e-mail: donald.picard@gci.ulaval.ca
e-mail: mario.fafard@gci.ulaval.ca
e-mail: gervais.soucy@usherbrooke.ca
e-mail: jean-francois.bilodeau@alcan.com
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Three-Dimensional Constitutive Creep/Relaxation Model of Carbon Cathode Materials
D. Picard,
D. Picard
Aluminium Research Centre—REGAL,
e-mail: donald.picard@gci.ulaval.ca
Université Laval
,1065 Avenue de la Médecine Quebec, QC, G1V 0A6, Canada
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M. Fafard,
M. Fafard
Aluminium Research Centre—REGAL,
e-mail: mario.fafard@gci.ulaval.ca
Université Laval
,1065 Avenue de la Médecine Quebec, QC, G1V 0A6, Canada
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G. Soucy,
G. Soucy
Aluminium Research Centre—REGAL,
e-mail: gervais.soucy@usherbrooke.ca
Université de Sherbrooke
, 2500 Boulevard Université, Sherbrooke, QC, J1K 2R1, Canada
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J.-F. Bilodeau
J.-F. Bilodeau
Alcan International,
e-mail: jean-francois.bilodeau@alcan.com
Arvida Research and Development Center
, 1955 Mellon Boulevard, Saguenay, QC, G7H 4K8, Canada
Search for other works by this author on:
D. Picard
Aluminium Research Centre—REGAL,
Université Laval
,1065 Avenue de la Médecine Quebec, QC, G1V 0A6, Canadae-mail: donald.picard@gci.ulaval.ca
M. Fafard
Aluminium Research Centre—REGAL,
Université Laval
,1065 Avenue de la Médecine Quebec, QC, G1V 0A6, Canadae-mail: mario.fafard@gci.ulaval.ca
G. Soucy
Aluminium Research Centre—REGAL,
Université de Sherbrooke
, 2500 Boulevard Université, Sherbrooke, QC, J1K 2R1, Canadae-mail: gervais.soucy@usherbrooke.ca
J.-F. Bilodeau
Alcan International,
Arvida Research and Development Center
, 1955 Mellon Boulevard, Saguenay, QC, G7H 4K8, Canadae-mail: jean-francois.bilodeau@alcan.com
J. Appl. Mech. May 2008, 75(3): 031017 (13 pages)
Published Online: May 2, 2008
Article history
Received:
November 13, 2006
Revised:
November 27, 2007
Published:
May 2, 2008
Citation
Picard, D., Fafard, M., Soucy, G., and Bilodeau, J. (May 2, 2008). "Three-Dimensional Constitutive Creep/Relaxation Model of Carbon Cathode Materials." ASME. J. Appl. Mech. May 2008; 75(3): 031017. https://doi.org/10.1115/1.2840044
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