Fracture mechanics analysis of microcracks in thermally cycled thermal barrier coatings

Journal of Thermal Spray Technology

Volumn 13, Issue 3, 2004, Pages 377-380

  Liu, Y ^a   Persson, C ^a   Melin, S ^a  

^a LUND UNIVERSITY   (Sweden)

Author keywords

Central crack; Edge crack; Finite element method; Thermal barrier coatings

Indexed keywords

ALUMINA; CERAMIC COATINGS; FINITE ELEMENT METHOD; FRACTURE MECHANICS; INTERFACES (MATERIALS); METALS; MICROCRACKS; RESIDUAL STRESSES; SPRAYED COATINGS; STRESS CONCENTRATION; SURFACE ROUGHNESS; THERMAL CYCLING;

CENTRAL CRACK; CERAMIC TOP COAT; EDGE CRACK; FRACTURE MECHANICS ANALYSIS; METALLIC BOND COAT; ROUGH INTERFACE; THERMAL SHOCK LOADING; THERMALLY CYCLED THERMAL BARRIER COATINGS;

THERMAL BARRIER COATINGS;

EID: 4844220517     PISSN: 10599630     EISSN: None     Source Type: Journal    
DOI: 10.1361/10599630420407     Document Type: Article

References (8)

1. Y. Liu: "Life Prediction and Mechanical Behaviour of Thermal Barrier Coatings," Ph.D. Thesis [ISRN LUTFD2/TFMT-03/1011- SE (1-120)], Division of Materials Engineering, Department of Mechanical Engineering, Lund University, SE-221 00, Lund, Sweden, 2003.
2. C. Persson and Y. Liu: "Life Prediction of Thermal Barrier Coatings," Final Report, Materials Engineering, Lund University, Lund, Sweden, 1998.
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7. Y. Liu, C. Persson, and S. Melin: "Fracture Mechanics Approach to Delamination of Thermally Cycled Thermal Barrier Coatings," in Thermal Spray 2001: Surface Engineering via Applied Research, C.C. Berndt, K.A. Khor, and E.F. Lugscheider, ed., ASM International, Materials Park, OH, 2001, pp. 1339-44.
8. A.G. Evans, D.R. Mumm, J.W. Hutchinson, G.H. Meier, and F.S. Pettit: "Mechanisms Controlling the Durability of Thermal Barrier Coatings," Prog. Mater. Sci., 2001, 46, pp. 505-53.