Journal
INTERNATIONAL JOURNAL OF FATIGUE
Volume 162, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijfatigue.2022.106987
Keywords
High cycle fatigue; Low cycle fatigue; Non-oriented electrical steel; Specimen geometry; Experimental methods
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This study investigates the fatigue behavior of thin electrical steel sheets under cyclic loading and proposes an improved testing method to accommodate the testing characteristics of thin electrical steel sheets.
In this study, the fatigue behavior of thin electrical steel sheets under cyclic loading is investigated. Results from strain-controlled and stress-controlled fatigue tests with different specimen geometries and different test setups are presented and compared with conventional testing methods. The results imply that conventional testing methods should be adjusted for testing thin electrical steel sheets because the fatigue life depends significantly on the test setup as well as the specimen geometry. Therefore, this study proposes an improved specimen geometry and test setup for stress- and strain-controlled fatigue tests of thin electrical steel sheets depending on the desired testing parameters.
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