Dynamics of micromechanisms controlling the mechanical behaviour of industrial single crystal superalloys

Sadhana - Academy Proceedings in Engineering Sciences

Volumn 28, Issue 1-2, 2003, Pages 129-146

  Benyoucef, M ^a   Coujou, A ^b   Pettinari Sturmel, F ^b   Raujol, S ^b   Boubker, B ^c   Clement N ^b  

^a FACULTÉ DES SCIENCES ET TECHNIQUES GUÉLIZ   (Morocco)

^b CEMES CNRS   (France)

^c FACULTÉ DES SCIENCES BEN M SIK   (Morocco)

Author keywords

Dislocations; in situ deformation; Plasticity; Superalloys

Indexed keywords

CRYSTAL DEFECTS; DEFORMATION; DISLOCATIONS (CRYSTALS); MECHANICAL PROPERTIES; PHASE INTERFACES; PLASTICITY; SINGLE CRYSTALS; STRESSES; THERMAL EFFECTS; TRANSMISSION ELECTRON MICROSCOPY;

DISLOCATION DYNAMICS; IN SITU DEFORMATION; MICROMECHANISMS; TWO PHASE INDUSTRIAL SINGLE CRYSTAL SUPERALLOY;

SUPERALLOYS;

EID: 0038011838     PISSN: 02562499     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF02717130     Document Type: Article

References (52)

1. Alani R, Pan M 2001 In situ TEM studies and real time digital imaging. J. Microsc. 203: 47-56
2. Ayrault D 1989 Fluage à haute température de superalliages base nickel monocristallins. Thesis, Paris Ecole Supérieure des Mines, Paris
3. Benyoucef M, Clement N, Coujou A 1995 TEM in situ straining of the MC2 superalloy at room temperature. Philos. Mag. A71-72: 1043-1056
4. Benyoucef M, Coujou A, Boubker B, Clement N 1997 In situ deformation experiments on a gamma gamma' superalloy strengthening mechanisms. Mater. Sci. Eng. A: 692-694
5. Boumedine H, Coujou A, Grilhe J 1996 Von Mises stress for two-dimensional elasticity problems. Scr. Mater. 34: 401-406
6. Brien V, Decamps B 2001 Low cycle fatigue of a nickel based superalloy at high temperature: deformation microstructures. Mater. Sci. Eng. A316: 18-31
7. 3Al: from elementary dislocation mechanisms to complex mechanical properties. Proc. 20th Riso Int. Symp. Materials Science: Deformation-induced microstructures, analysis and relation to properties (ed.) J B Bilde-Sorensen, J V Cartensen, N Hansen, D Juul-Jensen, T Leffers, W Pantleon, O B Pedersen, W Winter, pp 1-23
8. 3Al at room temperature. In situ observations under weak-beam conditions: Philos. Mag. Lett. 58: 263-269
9. Carry C, Strudel J L 1977 Apparent and effective creep parameters in single crystals of a nickel base superalloy. I. Incubation period. Acta Metall. 25: 767-777
10. Carry C, Strudel J L 1978 Apparent and effective creep parameters in single crystals of a nickel base superalloy, II. Secondary creep. Acta Metall. 26: 859-870
11. Clement N, Couret A, Caillard D 1991a An In situ study of cube glide in the gamma'-phase of a superalloy I. The controlling mechanism. Philos. Mag. A64: 669-695
12. Clement N, Molenat G, Caillard D 1991b An in situ study of cube glide in the gamma'-phase of a superalloy. II. The anomalous stress-temperature dependence. Philos. Mag. A64: 697-708
13. Clement N, Caillard D, Martin J L 1984 Heterogeneous deformation of concentrated Ni-Cr fcc alloys: macroscopic and microscopic behaviour. Acta Metall. 32: 961-975
14. Condat M, Decamps B 1987 Shearing of gamma' precipitates by single a/2 (110) matrix dislocations in a gamma/gamma' Ni-based superalloy. Scr. Metall. 21: 607-612
15. Coujou A, Beneteau A, Alcouffe G 1988 Method for characterising order of twins in relation to the sources from in situ observations. Acta Metall. 36: 1537-1542
16. Coujou A, Lours P, Roy N, Caillard D, Clement N 1990 Determination of the local tensile axis direction in a TEM in situ strained γ′ single crystal - A finite element approach. Acta Metall. 38: 825-837
17. Coujou A, Benyoucef M, Clement N, Priester L 1996 Interactions between dislocations and gamma gamma' interfaces in superalloys. Interface Sci. 4: 317-327
18. Coujou A, Benyoucef M, Legros M, Clement N 1998 Role of the gamma gamma' interface on the mechanical properties of single crystals nickel base superalloys. Solid State Phenomena 59-60: 185-200
19. Coujou A 1983 In situ deformation of an alloy with low stacking fault energy. Acta Metall. 31: 1505-15
20. Couret A, Caillard D 1985a An in situ study of prismatic glide in magnesium. I. The rate controlling mechanism. Acta Metall. 33: 1447-1454
21. Couret A, Caillard D 1985b An in situ study of prismatic glide in magnesium. II. Microscopic activation parameters. Acta Metall. 33: 1455-1462
22. Couret A, Caillard D 1988a An in situ study of prismatic glide in HCP metals. Rev. Phys. Appl. : 667
23. Couret A, Gaillard D 1988b Microscopic observations of glide in non-close-packed planes in aluminium, and comparison with magnesium. Acta Metall. 36: 2515-2524
24. Couret A, Crestou J, Farenc S, Molenat G, Clement N, Coujou A, Caillard D 1993 In situ deformation in TEM recent developments. Microsc., Microanal. Microstruct. 4: 153-170
25. 3Al. Thesis, Poitiers University, France
26. Farenc S, Caillard D, Couret A 1993 An in situ study of prismatic glide in alpha titanium at low temperatures. Acta Metall. Mater. 41: 2701-2709
27. Fredhohn A 1987 Monocristaux d'alliages base nickel. Relation entre composition, microstructure et comportement en fluage à haute température. Thesis, Ecole Supérieure des Mines, Paris
28. Fujita H, Yoshida K1973 Metallurgical applications of 3 MV electronmicroscope. J. Electron Microsc. 22: 313
29. Ganghoffer J F, Hazotte A, Denis S, Simon A 1991 Finite element calculation of internal mismatch stresses in a single crystal nickel based superalloy. Scr. Metall. Mater. 25: 2491-2496
30. Glatzel U, Feller Kniepmeier M 1989 Calculations of internal stresses in the gamma gamma' microstructure of a nickel-base superalloy with high volume fraction of gamma'-phase. Scr. Metall. 23: 1839-1844
31. Jouiad M, Pettinari F, Clement N, Coujou A 1999 Dynamic friction stresses in the γ phase of a nickel base superalloy. Philos. Mag. A79: 2591-2602
32. Lavagne S, Levade C, Vanderschaeve G 2001 Defect dynamics in ZnSe/GaAs (001) epilayers: TEM in situ experiments. Proc. 12th Conf. on Microscopy of Semiconducting Materials Oxford, Great Britain (to appear in Inst. of Phys. Conf. Ser.)
33. Levade C, Faress A, Vanderschaeve G 1994 A TEM in situ investigation of dislocation mobility in a II-VI semiconductor compound: ZnS. A quantitative study of the cathodoplastic effect. Philos. Mag. A69: 855-870
34. 3Al, Parts I & II. Philos. Mag. A76: 995-1011, and 1013-1032
35. Louchet F, Kubin L P 1975 A possible explanation for the anomalous slip of BCC metals from 'in situ' experiments. Scr. Metall. 9: 911-916
36. Louchet F, Kubin L P, Vesely D 1979 In situ deformation of BCC crystals at low temperatures in a high-voltage electron microscope. Dislocation mechanisms and strain-rate equation. Philos. Mag. A39: 433-454
37. Louchet F, Veron M, Brechet Y, Hazotte A, Buffiere J Y, Bastie P, Royer A 1998 New trends in directional coarsening of superalloys under stress. Rev. Metall. 95: 1481-1490
38. Martin J L Kubin L P 1978 Discussion on the limitations of 'in situ' deformation experiments in a high voltage electronmicroscope. Ultramicroscopy, Lab. d'Optique Electronique, CNRS, Toulouse, France, pp 215-226
39. Molenat G, Rösner H, Caillard D 1998 Mechanical properties of Fe70A130 single crystals investigated by in situ straining experiments in a TEM. Mater. Sci. Eng. A258: 196-202
40. Muller L, Glatzel U Feller Kniepmeier M 1993 Calculation of the internal stresses and strains in the microstructure of a single crystal nickel-base superalloy during creep. Acta Metall. Mater. 41: 3401-3411
41. Pettinari F, Jouiad M, Caron P, Calderon H, Coujou A, Clement N 2000 Influence of the solute nature on the tensile behaviour and on the microstructure of gamma-phases of nickel based superalloys. Rev. Metall. 97: 1037-1046
42. Pettinari F, Couret A, Caillard D, Molenat G, Clement N, Coujou A 2001a Quantitative measurements in in situ straining experiments in transmission electron microscopy. J. Microsc. 203: 47-56
43. Pettinari F, Prem M, Krexner G, Caron P, Coujou A, Kirchner H O K, Clement N 2001b Local order in industrial and model gamma phases of superalloys. Acta Mater. 49: 2549-2556
44. Pollock T M, Argon A S 1992 Creep resistance of CMSX-3 nickel base superalloy single crystals. Acta Metall. Mater. 40 1-30
45. Veron M, Brechet Y, Louchet F 1996a Directional coarsening of Ni-based superalloys: computer simulation at the mesoscopic level. Acta Mater. 44: 3633-3641
46. Veron M, Brechet Y, Louchet F 1996b Directional coarsening of nickel based superalloys: Driving force and kinetics. Superalloys (Warrendale, PA) p. 782
47. Vesely D 1968 The study of deformation of thin foils of Mo under the electron microscope. Phys. Status Solidi 29: 675-683
48. Vivas M, Lours P, Levaillant C, Couret A, Casanove M J, Coujou A 1997 Transmission electron microscopy study of precipitate morphology and precipitate overcoming processes in aluminum alloy 6056 T6. Mater. Sci. Eng. A234-236: 664-667
49. Werner M, Bartsch M, Messerschmid U, Baither D 1994 In situ observations of dislocation motion in polycrystalline silicon during straining experiment in a high-voltage electron microscope. Diffusion Defect Data B: 47-51
50. Werner M, Bartsch M, Messerschmidt U, Baither D 1994 TEM observations of dislocation motion in polycrystalline silicon during in situ straining in the high voltage electron microscope. Phys. Status Solidi A: 133-143
51. Zghal S, Coujou A, Couret A 2001 Transmission of the deformation through γ/γ interfaces in a PST TiAl alloy: I) Ordered domain interfaces (120°C rotational). Philos. Mag. A81: 345-364
52. Zghal S, Couret A 2001 Transmission of the deformation through γ/γ interfaces in a PST TiAl alloy: II) Twin interfaces (180°C rotational). Philos. Mag. A81: 365-382