Correlation between spraying conditions and microcrack density and their influence on thermal cycling life of thermal barrier coatings

Journal of Thermal Spray Technology

Volumn 13, Issue 3, 2004, Pages 396-404

  Vaßen, Robert ^a   Traeger, Franziska ^a   Stöver, Detlev ^a  

^a FORSCHUNGSZENTRUM JÜLICH   (Germany)

Author keywords

Atmospheric plasma spraying; Microcrack density; Porosity levels; Thermal barrier coatings; Thermal cycling

Indexed keywords

DENSITY (SPECIFIC GRAVITY); HIGH TEMPERATURE EFFECTS; LIFE CYCLE; MATERIALS TESTING; MICROCRACKS; MORPHOLOGY; PLASMA SPRAYING; POROSITY; STRAIN; THERMAL CYCLING; YTTRIUM COMPOUNDS; ZIRCONIA;

ATMOSPHERIC PLASMA SPRAYING; GAS BURNER TEST FACILITY; MERCURY POROSIMETRY; MICROCRACK DENSITY; POROSITY LEVELS; POWDER FEEDING RATE;

THERMAL BARRIER COATINGS;

EID: 4844226612     PISSN: 10599630     EISSN: None     Source Type: Journal    
DOI: 10.1361/10599630420443     Document Type: Article

References (23)

1. 3 Thermal Barrier System," Adv. Ceram. Mater., 1986, 1(1), pp. 68-76.
2. P. Bengtsson, T. Ericsson, and J. Wigren: "Thermal Shock Testing of Burner Cans Coated with a Thick Thermal Barrier Coating," J. Therm. Spray Technol., 1998, 7(3), pp. 340-48.
3. Z.Z. Mutasim and Y.L. Nava: "Development and Performance of Thick Air Plasma Sprayed Thermal Barrier Coatings," in Thermal Spray: Surface Engineering via Applied Research, C.C. Berndt, ed., ASM International, Materials Park, OH, 2000, pp. 1325-30.
4. R. Vaßen, G. Kerkhoff, and D. Stöver: "Development of a Micromechanical Life Prediction Model for Plasma Sprayed Thermal Barrier Coatings," Mater. Sci. Eng., 2001, A303(1-2), pp. 100-09.
5. 7-Based Thermal Barrier Coatings," in Materials for Advanced Power Engineering 2002, J. Lecomte-Becker, M. Carton, F. Schubert, and P.J. Ennis, ed., Schriften des Forschungszentrum Jülich, Reihe Energietechnik, Jülich, Germany, Vol. 21, Part 1, 2002, pp. 511-21.
6. R. Vaßen, N. Czech, W. Malléner, W. Stamm, and D. Stöver: "Influence of Impurity Content and Porosity of Plasma Sprayed Yttria Stabilised Zirconia Layers on the Sintering Behaviour," Surf. Coat. Technol., 2001, 141, pp. 135-40.
7. R.A. Miller, J.L Smialek, and R.G. Garlick: "Phase Stability in Plasma-Sprayed Partially Stabilized Zirconia-Yttria," in Science and Technology of Zirconia, Advances in Ceramics, Vol. 3, A.H. Heuer and L.W. Hobbs, ed., The American Ceramic Society, Columbus, OH, 1981, pp. 241-51.
8. P. Bengston and T. Johannesson: "Characterization of Microstructural Defects in Plasma-Sprayed Thermal Barrier Coatings," J. Therm. Spray Technol., 1995, 4(3), pp. 245-51.
9. P. Bengston and J. Wigren: "Segmentation Cracks in Plasma-Sprayed Thick Thermal Barrier Coatings," in Gas Turbine Materials Technology, P.J. Maziasz and I.G. Wright, ed., ASM International, Materials Park, OH, 1999, pp. 92-101.
10. J. Wigren, J.-F. de Vries, and D. Greving: "Effects of Powder Morphology, Microstructure, and Residual Stresses on Thermal Barrier Coating Thermal Shock Performance," in Thermal Spray: Practical Solutions for Engineering Problems, C.C. Berndt, ed., ASM International, Materials Park, OH, 1996, pp. 855-61.
11. J.A. Thompson and T.W. Clyne: "The Effect of Heat Treatment on the Stiffness of Zirconia Top Coats in Plasma-Sprayed TBCs," Acta. Mater., 2001, 49, pp. 1565-75.
12. M. Ahrens, S. Lampenscherf, R. Vaßen, and D. Stöver: "Sintering and Creep Processes in Plasma-Sprayed Thermal Barrier Coatings," J. Therm. Spray Technol., 2004, 13(3), pp. 433-43.
13. 3 Thermal Barrier Coatings with Different Porosities and FEM Analysis of Stress Redistribution During Thermal Cycling of TBC's," Surf. Coat. Technol., 1997, 94-95, pp. 106-11.
14. J.I. Eldridge, C.M. Spuckler, K.W. Street, and J.R. Markham: "Infrared Radiative Properties of Yttria Stabilized Zirconia Thermal Barrier Coatings," Ceram. Eng. Sci. Proc., 2002, 23(4), pp. 417-30.
15. R. Dutton, R. Wheeler, K.S. Ravichandran, and K. An: "Effect of Heat Treatment on the Thermal Conductivity of Plasma-Sprayed Thermal Barrier Coatings," J. Therm. Spray Technol., 2000, 9(2), pp. 204-09.
16. F. Tomoharu and T. Takeshi: "Estimation of Thermophysical Properties of Coating Layers for Gas Turbine Hot Parts. Part1: Measurement of Thermophysical Properties of Coating Layers and Superalloys, and Comparison Between Virgin and Aged Material," Denryoku Chuo Kenkyujo Yokosuka Kenkyujo Hohoku, 1998, no. W97017, p. 20.
17. B. Siebert, C. Funke, R. Vaßen, and D. Stöver: "Changes in Porosity and Young's Modulus Due to Sintering of Plasma Sprayed Thermal Barrier Coatings," J. Mater. Proc. Technol., 1999, 92-93, pp. 217-23.
18. I. Ahmed and T.L. Bergman: "Three-Dimensional Simulation of Thermal Plasma Spraying of Partially Molten Ceramic Agglomerates," J. Therm. Spray Technol., 2000, 9(2), pp. 215-24.
19. S. Raghavan, H. Wang, R.B. Dinwiddie, W.D. Porter, and M.J. Mayo: "The Effect of Grain Size, Porosity and Yttria Content on the Thermal Conductivity of Nanocrystalline Zirconia," Scri. Mater., 1998, 39(8), pp. 1119-25.
20. J. Crank: The Mathematics of Diffusion, Clarendon Press, Oxford, UK, 1975, p. 2.
21. R. Morrell: Handbook of Properties of Technical & Engineering Ceramics, Part 1, HMSO Publications, London, UK, 1989.
22. I. Szabo: Höhere Technische Mechanik, Springer Verlag, Berlin, Germany, 2001, p. 192.
23. R. Vaßen, X. Can, and D. Stöver: "Improvement of New Thermal Barrier Coating Systems Using a Layered or Graded Structure," Ceram. Eng. Sci. Proc., 2001, 22(4), pp. 435-42.