Author： Anthymidis K. G.
Publisher： Taylor & Francis Ltd
ISSN： 1042-6914
Source： Materials and Manufacturing Processes, Vol.26, Iss.1, 2011-01, pp. : 58-61
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Abstract
The impact testing is an efficient experimental method that enables the quantitative and qualitative evaluation of the fatigue resistance of mono- and multilayer coatings deposited on various substrates, which was not possible with the common testing methods previously available. In this article the experimental assessment of the fatigue resistance of aluminide slurry coatings working under cyclic loading conditions by means of the dynamic impact testing method is presented. The fatigue failure mode, such cohesive or adhesive, of the investigated coatings is determined using scanning electron and optical microscopy, as well as Energy Dispersive X-ray (EDX) analysis. Critical values of impact load responsible for distinctive fatigue failure modes of the coating substrate system are obtained.
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