2012
DOI: 10.3139/146.110623
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Measuring techniques for the very high cycle fatigue behaviour of high strength steel at ultrasonic frequencies

Abstract: Measuring techniques for the very high cycle fatigue behaviour of high strength steel at ultrasonic frequencies Dedicated to Prof. Dr.-Ing. Christina Berger on the occasion of her 65 th birthday To analyse the fatigue behaviour of steels in the very high cycle fatigue regime, an ultrasonic testing facility was developed that allows describing the cyclic deformation behaviour at ultrasonic frequencies by measuring characteristic fatigue data at a sufficiently high frequency. In correlation with scanning electro… Show more

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Cited by 12 publications
(4 citation statements)
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“…The displacement of the specimens at the free end is measured by the LDV and recorded with a rate of 500 kHz. All these parameters are appropriate to control the process and to characterize the fatigue behavior [11]. The measurement of the displacement is additionally used to determine the exact number of cycles per ultrasonic pulse.…”
Section: Methodsmentioning
confidence: 99%
“…The displacement of the specimens at the free end is measured by the LDV and recorded with a rate of 500 kHz. All these parameters are appropriate to control the process and to characterize the fatigue behavior [11]. The measurement of the displacement is additionally used to determine the exact number of cycles per ultrasonic pulse.…”
Section: Methodsmentioning
confidence: 99%
“…The physical parameters described above can also be used to characterize the fatigue behavior in the very high cycle fatigue regime (Koster et al, 2011(Koster et al, , 2012. The ultrasonic fatigue tests were performed with the in-house-developed test system "UltraFAST-WKK-Kaiserslautern" (UFK) which is described in detail with all sensors used in the VHCF experiments in Heinz et al, 2011.…”
Section: Temperature and Resistance Measurements To Characterize The mentioning
confidence: 99%
“…There are different experimental technics developed recently to study fatigue damage and crack initiation mechanisms during the VHCF process 17,28–33 . A fracture surface topographic analysis (FRASTA) method has been used to study crack initiation and propagation behavior 17 .…”
Section: Introductionmentioning
confidence: 99%
“…17 Analytical approaches based on localized stress concentration and simulation have been used to study the large scatter of testing results. 28,29 Three-point bending 30 and stepwise load block 31 have been used to study fatigue damage. In situ damage assessment or crack initiation study using either nonlinear ultrasonic measurement 32 or synchrotron X-ray diffraction 33 are very interesting methods to study VHCF behavior.…”
Section: Introductionmentioning
confidence: 99%