Experimentally based modelling of cyclically induced softening in a martensitic steel at high temperature

Proceedings - ECCC Creep Conference: Creep and Fracture in High Temperature Components - Design and Life Assessment Issues

Volumn 2005, Issue , 2005, Pages 649-661

  Fournier, B ^a,b   Sauzay, M ^a   Mottot, M ^a   Brillet, H ^a   Monnet, I ^a   Pineau, A ^b  

^a DIF   (France)

^b CENTRE DES MATÉRIAUX   (France)

Author keywords

9Cr steels; Creep; Cyclic softening; Dislocation annihilation; Fatigue; Hall Petch law; Low angle boundary; Martensitic steel; Micromechanical modelling; Microstructure evolution

Indexed keywords

CREEP; FATIGUE OF MATERIALS; FRICTION MATERIALS; HIGH TEMPERATURE EFFECTS; MICROSTRUCTURE; STAINLESS STEEL; STRESS ANALYSIS; THERMAL CYCLING;

9CR STEELS; CYCLIC SOFTENING; DISLOCATION ANNIHILATION; HALL-PETCH LAW; LOW-ANGLE BOUNDARY; MARTENSITIC STEEL; MICROMECHANICAL MODELING; MICROSTRUCTURE EVOLUTION;

MARTENSITE;

EID: 33749320082     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (21)

1. R.W. Swindeman, M.L. Santella, P.J. Maziasz, B.W. Roberts, K. Coleman. Issues in replacing Cr-Mo steels and stainless steels with 9Cr-1Mo-V steel. Pressure Vessels and Piping 81, 507-512, 2004.
2. S. Kim, J. R. Weertmann, Metall. Trans. A 19A (1988) 999-1007.
3. P. Lukas, L. Kunz, V. Skelnicka, Mat. Sci. Eng. A129 (1990) 249-255.
4. M. Sauzay, H. Brillet, I. Monnet, M. Mottot, F. Barcelo, B. Fournier; A. Pineau. Cyclically induced softening due to low-angle boundary annihilation in a martensitic steel. Materials Sci & Eng, in the press.
5. J. M. Marder, A. R. Marder, Trans. ASME 62 (1969) 1.
6. M. Sauzay, M. Mottot, L. Allais, M. Noblecourt, I. Monnet, J. Périnet, Nucl. Eng. Des. 232 (2004) 219-236.
7. J.I. Dickson, J. Boutin, L. Handfield. A comparison of two simple methods for measuring cyclic internal and effective stress. Materials Science and Engineering, 64, L7-L11, 1984.
8. X. Feaugas. Contribution à la compréhension des mécanismes de déformation plastique et d'endommagement des matériaux: un point de vue expérimental. Mémoire d'habilitation à diriger des recherches. 1999.
9. S. Spigarelli, E. Cerri, P. Bianchi, E. Evangelista. Interpretation of creep behaviour of a 9Cr-Mo-Nb-V-N (T91) steel using threshold stress concept. Materials Science and technology, vol. 15, 1433-1440, 1999.
10. A. Orlova, J. Bursik, K. Kucharova, V. Sklenicka. Microstructural development during high temperature creep of 9% Cr steel. Materials Science and Engineering A245, 39-48, 1998.
11. J.C. Moosburger, INT. J. Plast. 16 (2000) 439
12. H. Haddou, Ch. Gaudin, X. Feaugas, J. Phys. IV (2001) 283-291.
13. W.T. Read, W. Shockley, Phys. Rev. 78(1950) 275-287.
14. A. P. Sutton, R. W. Balluffi, Interfaces in crystalline materials, Oxford Science Publications, Oxford, 1995.
15. D. Differt, U. Essmann, Mat. Sci. Eng. A164 (1993) 295-299.
16. U. Essmann, H. Mughrabi, Phil. Mag. 40 (1979) 731.
17. R. Vasina, P. Lukas, L. Kunz, V. Sklenicka. Interaction of high cycle fatigue and creep in 9%Cr-1Mo steel at elevated temperature. Fat. Fract. Eng. Mater. Struct. Vol. 18, No. 1, pp. 27-35, 1995.
18. G. Sachs, Z. Ver. Dtsch. Ing. 72 (1928) 734.
19. G. I. Taylor, J. Inst. Metals 62 (1938) 307-324.
20. O.B. Petersen. Mechanism maps for cyclic plasticity and fatigue of single phase materials. Acta Metall. Mater Vol 38, No 7, pp 1221 1239. 1990.
21. J. C. M. Li, Trans. TMS-AIME 227 (1963) 239-247.