Crack growth in a coated gas turbine superalloy under thermo-mechanical fatigue

International Journal of Fatigue

Volumn 30, Issue 2, 2008, Pages 286-291

  Jung, Arnd ^a   Schnell, Alexander ^a  

^a ALSTOM SWITZERLAND LTD   (Switzerland)

Author keywords

Coating; Fatigue crack growth; Inter diffusion zone; Single crystal nickel base superalloy; Thermo mechanical fatigue

Indexed keywords

COATED MATERIALS; CRACK INITIATION; GAS TURBINES; SINGLE CRYSTALS; SUPERALLOYS;

COATING CRACKS; INTER DIFFUSION ZONES; SINGLE CRYSTAL NICKEL BASE SUPERALLOY; THERMO MECHANICAL FATIGUES;

FATIGUE CRACK PROPAGATION;

EID: 35648958768     PISSN: 01421123     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijfatigue.2007.01.040     Document Type: Article

References (13)

1. Bressers J., Ostolaza K., and Arana M. Coating induced life reductions of single crystal superalloy gas turbine blade materials. In: Dahotre N.B., and Hampikan J.M. (Eds). Elevated temperature coatings: science and technology II (1996), The Minerals, Metals & Materials Society 275-285
2. Nissley D.M. Thermomechanical fatigue life prediction in gas turbine superalloys: a fracture mechanics approach. AIAA J 33 6 (1995) 1114-1120
3. Vougiouklakis Y., Hähner P., Stamos V., Peteves S., and Bressers J. Acoustic emission analysis of out-of-phase thermomechanical fatigue of coated Ni-base superalloys. In: Remy L., and Petit J. (Eds). Temperature-fatigue interaction (2002), Elsevier 143-156
4. DICTRA & Thermo-Calc software package. Thermo-Calc AB, Stockholm Technology Park, Björnnäsvägen 21, SE-11347 Stockholm, Sweden.
5. Engström A. Long-range Diffusion and Microstructural Evolution in Multiphase Alloys. Doctoral Thesis, University of Stockholm KTH, 1996.
6. Saunders N. NI-DATA version 4. A thermodynamic database for calculation of phase equilibria in multi-component Ni-based superalloys. Thermotech Ltd., UK.
7. NIMOB kinetic database for Ni-based superalloys, developed by Engström A for ALSTOM Switzerland.
8. Kowalewski R., and Mughrabi H. Influence of a plasma-sprayed NiCrAlY coating on the low-cycle fatigue behaviour of a directionally solidified nickel-base superalloy. Mater Sci Eng A 247 (1998) 295-299
9. Czech N., Schmitz F., and Stamm W. Thermal mechanical fatigue behavior of advanced overlay coatings. Mater Manufact Process 10 5 (1995) 1021-1035
10. Kowalewski R., and Mughrabi H. Thermo-mechanical and isothermal fatigue of a coated columnar-grained directionally solidified nickel-base superalloy. In: Sehitoglu H., and Maier H.J. (Eds). Thermo-mechanical fatigue behaviour of materials. ASTM STP 1372 (2000), American Society for Testing and Materials 3-17
11. Sequeira A.D., Moretto P., and Bressers J. Residual stress and microstructure of CoNiCrAlY coated superalloys upon thermo-mechanical fatigue. Mater Sci Forum 322 (2000) 748-753
12. Zhang Y.H., Withers P.J., Fox M.D., and Knowles D.M. Damage mechanisms of coated systems under thermomechanical fatigue. Mater Sci Technol 15 (1999) 1031-1036
13. Pennefather R.C., and Boone D.H. Mechanical degradation of coating systems in high-temperature cyclic oxidation. Surf Coat Technol 76 1 (1995) 47-52