TECHNICAL PAPERS: Gas Turbines: Manufacturing, Materials, and Metallurgy

Delamination Cracking in Thermal Barrier Coating System

[+] Author and Article Information
Y. C. Zhou

Fracture Research Institute, Tohoku University, Sendai 980-8579, Japan and Institute of Fundamental Mechanics and Materials Engineering, Xiangtan University, Xiangtan, Hunan 411105, P. R. Chinae-mail: zhou@rift.mech.tohoku.ac.jp

T. Hashida

Fracture Research Institute, Tohoku University, Sendai 980-8579, Japan

J. Eng. Gas Turbines Power 124(4), 922-930 (Sep 24, 2002) (9 pages) doi:10.1115/1.1477194 History: Received July 01, 2000; Revised September 01, 2001; Online September 24, 2002
Copyright © 2002 by ASME
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Yuri,  I., Hisamatsu,  T., Watanabe,  K., and Etori,  Y., 1997, “Structural Design and High Pressure Test of a Ceramic Combustor for 1500°C Class Industrial Gas Turbine,” ASME J. Eng. Gas Turbines Power, 119, pp. 506–511.
Kokini,  K., and Takeuchi,  Y. R., 1996, “Surface Thermal Cracking of Thermal Barrier Coatings Owing to Stress Relaxation: Zirconia vs. Mullite,” Surf. Coat. Technol., 82, pp. 77–82.
Zhu,  D. M., and Miller,  R. A., 1998, “Investigation of Thermal High Cycle and Low Cycle Fatigue Mechanisms of Thick Thermal Barrier Coatings,” Mater. Sci. Eng., A, 245A, pp. 212–223.
Jian, C. Y., 1996, “Study on Evaluation Method of Ceramic Coating System for Gas Turbine Rotator Blades,” Doctor’s thesis, Tohoku University.
Tolpygo,  V. K., Dryden,  J. R., and Clarke,  D. R., 1998, “Determination of the Growth Stress and Strain in α-Al2O3 Scales During the Oxidation of Fe-22Cr-4.8Al-0.3Y Alloy,” Acta Mater., 46(3), pp. 927–937.
Ogawa,  K., Minkov,  D., Shoji,  T., Sato,  M., and Hashimoto,  H., 1999, “NDE of Degradation of Thermal Barrier Coating by Means of Impedance Spectroscopy,” NDT & E Int., 32, pp. 177–185.
Gell,  M., , 1999, “Mechanism of Spallation in Platinum Aluminide/Electron Beam Physical Vapor—Deposited Thermal Barrier Coatings,” Metall. Trans. A, 30A(2), pp. 427–435.
He,  M. Y., Evans,  A. G., Hutchinson,  J. W., 1998, “Effects of Morphology on the Decohesion of Compressed Thin Films,” Mater. Sci. Eng., 245, pp. 168–181.
Bernstein,  H. L., and Allen,  J. M., 1992, “Analysis of Cracked Gas Turbine Blades,” ASME J. Eng. Gas Turbines Power, 114, pp. 293–301.
Zhou, Y. C., and Hashida, T., 2000, “Coupled Effects of Temperature Gradient and Oxidation on the Thermal Barrier Coating Failure,” Life Assessment of Hot Section Gas Turbine Components, R. Townsend, et al., eds., Cambridge University Press, London, UK, pp. 155–1720.
Zhou,  Y. C., and Hashida,  T., 2002, “Thermal Fatigue in Thermal Barrier Coating,” JSME Int. J., A45, pp. 57–64.
Zhou,  Y. C., and Hashida,  T., 2001, “Coupled Effects of Temperature Gradient and Oxidation on the Thermal Stress in Thermal Barrier Coating,” Int. J. Solids Struct., 38, pp. 4235-4264.
Sih,  G. C., Paris,  P. C., and Irwin,  G. R., 1965, “On Cracks in Rectilinearly Anisotropic Bodies,” Int. J. Fract. Mech., 1, pp. 189–203.
Rice,  J. R., and Sih,  G. C., 1965, “Plane Problems of Cracks in Dissimilar Media,” ASME J. Appl. Mech., 32, pp. 418–423.
Dundurs,  J., 1969, “Edge-Bonded Dissimilar Ortogonal Elastic Wedges,” ASME J. Appl. Mech., 36, pp. 650–652.
Erdogan,  F., 1965, “Stress Distribution in Bonded Dissilimar Materials With Cracks,” ASME J. Appl. Mech., 32, pp. 403–410.
Evans,  A. G., and Hutchinson,  J. W., 1984, “On the Mechanics of Delamination and Spalling in Compressed Films,” Int. J. Solids Struct., 20, pp. 455–466.
Hutchinson,  J. W., and Suo,  Z., 1992, “Mixed Mode Cracking in Layered Materials,” Adv. Appl. Mech., 29, pp. 63–191.
Timoshenko, S. P., and Gere, J. M., 1972, Mechanics of Materials, D. Van Nostrand, New York.
Dundurs, J., 1990, “Boundary Conditions at Interfaces,” Micromechanics and Inhomogeneous. G. J. Weng, et al., eds., Springer-Verlag, New York, pp. 109–114.
Mura, T., 1982, Micromechanics of Defects in Solid, Martinus Nijhoff Publishers, The Hague.
Suo,  Z., and Hutchinson,  J. W., 1990, “Interface Crack Between Two Elastic Layers,” Int. J. Fract., 43, pp. 1–18.
Whitney, J. M., and McCullough, R. L., 1990, Micromechanical Materials Modeling, Vol. 2 , Technomic Lancaster, PA.
Lekhnitskii, S. G., 1963, Theory of Elasticity of an Anisotropic Elastic Body, Holden-Day, Oakland, CA.
Suo,  Z., 1990, “Delamination Specimens for Orthotropic Materials,” ASME J. Appl. Mech., 57, pp. 627–634.
Hutchinson,  J. W., Mear,  M. E., and Rice,  J. R., 1987, “Crack Paralleling an Interface Between Dissimilar Materials,” ASME J. Appl. Mech., 54, pp. 828–832.
Zhou,  Y. C., Hashida,  T., and Jian,  C. Y., 2002, “Determination of Interface Fracture Toughness in Thermal Barrier Coating System by Blister Tests,” ASME J. Eng. Mater. Tech., 124, in press.


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Conventions and geometry for the analysis of delamination cracking in the TBC system; (a) the delamination cracking in the TBC system is induced by the membrane stresses Pi(i=1,2,3) and bending moments Mi(i=1,2,3), (b) the failure of the TBC system can be induced by equivalent loads P and M
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Scheme of the analytical model for thermal stresses fields in the TBC system operating at high temperature
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SEM micrographs showing interface delamination cracking for thermal barrier ceramic coating subjected to six thermal fatigue cycles, where the exposed time for every cycle was 70 s and the highest temperature on the coating and substrate was 1200°C and 600°C, respectively
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Boundary conditions of temperature for the TBC system at the typical operating state
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Histories of membrane stresses; (a) original membrane stresses P1 and P3, (b) equivalent membrane stresses P
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Histories of bending moments; (a) original bending moments M1 and M3, (b) equivalent bending moments M
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TSIFs Ki,KI, and KII as a function of temperature on the interface of bimaterials, where the original loads P1=−7.0 MPa.cm,M1=−7.0×10−3 MPa.cm2,P3=4.0 MPa.cm, and M3=−1.0 MPa.cm2
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Dundurs’ parameters ᾱ and β̄ as a function of temperature on the interface of bimaterials
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Histories of TSIFs in TBC coating system; (a) Ni-alloy substrate, (b) steel substrate



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