C. Eberl , X. Wang, D.S. Gianola, T. D. Nguyen, M.Y He, A.G. Evans, K.J. Hemker (2011) “In Situ Measurement of the Toughness of the Interface Between a Thermal Barrier Coating and a Ni Alloy”, Journal of the American Ceramic Society, 94, s120–s127. [Link]