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TECHNICAL PAPERS

Comparison of the Predictions Relying on Coupled/Uncoupled Damage-Viscoplasticity Models for Creep Test Analyses

[+] Author and Article Information
L. Nicolas, P. Mongabure, L. Le Ber, J. Devos

Commissariat à l’Energie Atomique, DEN/DM2S/SEMT, 91191 Gif sur Yvette Cedex, France

S. Bhandari

Framatome, Tour Framatome, 92084 Paris La Défense Cedex, France

C. Messelier-Gouze

Electricité de France, DRD/MTC, Les Renardières, Ecuelles, 77818 Moret-sur-Loing Cedex, France

J. Pressure Vessel Technol 123(3), 298-304 (Feb 05, 2001) (7 pages) doi:10.1115/1.1372326 History: Received October 27, 2000; Revised February 05, 2001
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References

OECD-NEA-TM12, 1993, “TMI-2 Vessel Investigation Project,” Appendix A, OCDE-NEA TMI V(93)EG01 report.
CASTEM 2000, 1995, “User’s Manual.”
Devos, J. et al., 1998, “The RUPTHER Program: Progress Status,” ASME PVP-Vol. 362.
RPVSA (Reactor Pressure Vessel under Severe Accident), EU F14S-CT95-0002 report.
Devos, J., Ritter, B., Auerkari, P., Dupas, P., and Malmberg, T., 1999, “REVISA (Reactor Vessel Integrity in Severe Accidents),” Fisa-99 workshop, Luxembourg.
Lemaitre, J., and Chaboche, J. L., 1990, Mechanics of Solid Materials, Cambridge University Press, Cambridge, UK.
Kachanov,  L. M., 1958, “Time of the Rupture Process Under Creep Conditions,” Izv. Akad. Nauk SSSR, Otd. Tekh. Nauk, 8, pp. 26–31.
Bhandari, S., Bergheau, J. M., Dupas, P., Feral, X., Mottet, G., and Nicolas, L., 1998, “Comparative Analysis of Coupled Creep-Damage Model and Applications,” ASME PVP-Vol. 362.
Le Ber, L., Cotoni, V., Nicolas, L., and Sainte Catherine, C., 1997, “Ident1D: A Novel Software Tool for an Easy Identification of Material Constitutive Parameters,” submitted to Nucl. Eng. Des. .
Nicolas, L., Sainte Catherine, C., Cotoni, V., Devos, J., Bhandari, S., and Dupas, P., 1998, “Use of Coupled Damage-Viscoplasticity Model for Creep Tests Analyses,” ASME PVP-Vol. 362.

Figures

Grahic Jump Location
Axial thermal gradients—(a) RUPTHER test no. 4, (b) RUPTHER test no. 7
Grahic Jump Location
Experimental temperatures on tubes circumference—(a) RUPTHER test no. 4, (b) RUPTHER test no. 7
Grahic Jump Location
Error on temperatures measured by thermocouples
Grahic Jump Location
Experimental internal pressure—(a) RUPTHER test no. 4, (b) RUPTHER test no. 7
Grahic Jump Location
Experimental displacement records—(a) RUPTHER test no. 4, (b) RUPTHER test no. 7
Grahic Jump Location
Diametrical evolution—(a) RUPTHER test no. 4, (b) RUPTHER test no. 7
Grahic Jump Location
Damage evolutions—(a) RUPTHER test no. 4, (b) RUPTHER test no. 7
Grahic Jump Location
Large displacement effect (updating pressure vector)—(a) RUPTHER test no. 4, (b) RUPTHER test no. 7
Grahic Jump Location
Large displacement effect (updating pressure vector); von Mises stresses—(a) RUPTHER test no. 4, (b) RUPTHER test no. 7
Grahic Jump Location
Influence of temperature—(a) RUPTHER test no. 4, (b) RUPTHER test no. 7

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