M. Dewitte and C. Coussement, Creep properties of 12% Cr and improved 9% Cr weldments, Materials at High Temperatures, vol.27, issue.4, pp.179-184, 1991.
DOI : 10.1179/mst.1985.1.11.961

T. Kojima, K. Hayashi, and Y. Kajita, HAZ Softening and Creep Rupture Strength of High Cr Ferritic Steel Weldments., ISIJ International, vol.35, issue.10, pp.1284-1290, 1995.
DOI : 10.2355/isijinternational.35.1284

V. Foldyma, A. Jakobova, R. Riman, and A. Gemperle, Effect of structural factors on the creep properties of modified chromium steels, Steel Research, vol.62, issue.2, pp.453-458, 1991.
DOI : 10.1002/srin.199100429

S. Spigarelli and E. Quadrini, Analysis of the creep behaviour of modified P91 (9Cr???1Mo???NbV) welds, Materials & Design, vol.23, issue.6, pp.547-552, 2002.
DOI : 10.1016/S0261-3069(02)00026-2

V. Gaffard, A. F. Gourgues, and J. Besson, High Temperature Creep Flow and Damage Properties of the Weakest Area of 9Cr1Mo-NbV Martensitic Steel Weldments, ISIJ International, vol.45, issue.12, pp.1915-1924, 2005.
DOI : 10.2355/isijinternational.45.1915
URL : https://hal.archives-ouvertes.fr/hal-00136781

I. J. Perrin, D. R. Hayhurst, and R. A. Ainsworth, Approximate creep rupture lifetimes for butt welded ferritic steel pressurised pipes, European Journal of Mechanics - A/Solids, vol.19, issue.2, pp.223-258, 2000.
DOI : 10.1016/S0997-7538(00)00160-1

G. Eggeler, A. Ramteke, M. Coleman, B. Chew, G. Peter et al., Analysis of creep in a welded ???P91??? pressure vessel, International Journal of Pressure Vessels and Piping, vol.60, issue.3, pp.237-257, 1994.
DOI : 10.1016/0308-0161(94)90125-2

V. Gaffard, J. Besson, and A. F. Gourgues-lorenzon, Creep failure model of a tempered martensitic stainless steel integrating multiple deformation and damage mechanisms, International Journal of Fracture, vol.19, issue.3, pp.139-166, 2005.
DOI : 10.1007/s10704-005-2528-8
URL : https://hal.archives-ouvertes.fr/hal-00154843

J. B. Leblond, G. Perrin, and P. Suquet, Exact results and approximate models for porous viscoplastic solids, International Journal of Plasticity, vol.10, issue.3, pp.213-235, 1994.
DOI : 10.1016/0749-6419(94)90001-9

H. J. Frost and M. F. Ashby, Deformation-mechanism maps : the plasticity and creep of metals and ceramics, 1982.

V. Tvergaard, Material Failure by Void Growth to Coalescence, Adv. Appl. Mech, vol.27, pp.83-151, 1990.
DOI : 10.1016/S0065-2156(08)70195-9