Assessment of fatigue life of aluminized, coarse-grained MAR247 alloy supported by full-field ESPI measurements
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Institute of Fundamental Technological Research Polish Academy of Sciences, Warsaw, Poland
Department of Mechanical Engineering, Imperial College London, London, UK
Submission date: 2022-05-16
Final revision date: 2022-07-13
Acceptance date: 2022-07-19
Online publication date: 2022-08-27
Publication date: 2022-11-25
Corresponding author
Mateusz Kopec   

Department of Experimental Mechanics, Institute of Fundamental Technological Research Polish Academy of Sciences, 5B Pawinskiego St., 02-106, Warsaw, Poland
Journal of Theoretical and Applied Mechanics 2022;60(4):619-623
In this paper, fatigue performance of an aluminide layer coated, coarse-grained MAR247 nickel superalloy was monitored by using the full-field Electronic Speckle Pattern Interferometry (ESPI) method in the range of stress amplitude from 350MPa to 650MPa. It was found, that the ESPI method enables precise monitoring of the fatigue behaviour of coated MAR247 specimens since the area of potential failure was accurately indicated within the initial stage of fatigue damage development.
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