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Assessment of fatigue life of aluminized, coarse-grained MAR247 alloy supported by full-field ESPI measurements
| 1 | Institute of Fundamental Technological Research Polish Academy of Sciences, Warsaw, Poland |
| 2 | Department of Mechanical Engineering, Imperial College London, London, UK |
CORRESPONDING AUTHOR
Mateusz Kopec
Department of Experimental Mechanics, Institute of Fundamental Technological Research Polish Academy of Sciences, 5B Pawinskiego St., 02-106, Warsaw, Poland
Department of Experimental Mechanics, Institute of Fundamental Technological Research Polish Academy of Sciences, 5B Pawinskiego St., 02-106, Warsaw, Poland
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
Journal of Theoretical and Applied Mechanics 2022;60(4):619–623
KEYWORDS
TOPICS
ABSTRACT
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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