Fracture toughness measurements have been performed on plasma-sprayed coatings. The intrinsic fracture toughness of plasma-sprayed coatings may be ascertained by means of a double cantilever beam (DCB) test. Emphasis is placed on calibration of the specimen geometry. Representative values for alumina coatings are presented.
Advances in fracture research: Fracture 84: proceedings of the 6th International Conference on Fracture (ICF6), New Delhi, India, 04-10 December 1984 / S.R. Valluri (ed.),