Fatigue Safety Coefficients for Ultra - High Region of Load Cycles

In this paper the authors introduce results from the field of the fatigue safety of selected steels in the region of ultra - high number of loading cycles. The fatigue tests were carried out at high frequency tension - compression loading (f = 20 kHz, T = 20 ± 5°, R = -1) in the region from N = 106...

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Main Authors: Daniel Varecha, Slavomir Hrcek, Otakar Bokuvka, Frantisek Novy, Libor Trsko, Ruzica Nikolic, Michal Jambor
Format: Article
Language:English
Published: University of Žilina 2020-10-01
Series:Communications
Subjects:
Online Access:https://komunikacie.uniza.sk/artkey/csl-202004-0012_fatigue-safety-coefficients-for-ultra-high-region-of-load-cycles.php
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author Daniel Varecha
Slavomir Hrcek
Otakar Bokuvka
Frantisek Novy
Libor Trsko
Ruzica Nikolic
Michal Jambor
author_facet Daniel Varecha
Slavomir Hrcek
Otakar Bokuvka
Frantisek Novy
Libor Trsko
Ruzica Nikolic
Michal Jambor
author_sort Daniel Varecha
collection DOAJ
description In this paper the authors introduce results from the field of the fatigue safety of selected steels in the region of ultra - high number of loading cycles. The fatigue tests were carried out at high frequency tension - compression loading (f = 20 kHz, T = 20 ± 5°, R = -1) in the region from N = 106 to N = 109 cycles. The fatigue safety coefficients were calculated by four methods (Goodman, Gerber, ASME elliptic and Soderberg). The percentage reduction of the fatigue safety coefficients (N = 109 vs. N = 106 cycles) was at Goodman, 7.99 / 10.83 %, Gerber, 5.27 / 8.26 %, ASME, 1.89 / 6.42 % and Soderberg, 6.51 / 10.25 %.
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spelling doaj.art-5ce68a0af3f6430bb462cb8f6fd21db52023-04-14T06:32:01ZengUniversity of ŽilinaCommunications1335-42052585-78782020-10-012249710210.26552/com.C.2020.4.97-102csl-202004-0012Fatigue Safety Coefficients for Ultra - High Region of Load CyclesDaniel Varecha0Slavomir Hrcek1Otakar Bokuvka2Frantisek Novy3Libor Trsko4Ruzica Nikolic5Michal Jambor6Faculty of Mechanical Engineering, University of Zilina, Slovak RepublicFaculty of Mechanical Engineering, University of Zilina, Slovak RepublicFaculty of Mechanical Engineering, University of Zilina, Slovak RepublicFaculty of Mechanical Engineering, University of Zilina, Slovak RepublicResearch Centre, University of Zilina, Slovak RepublicResearch Centre, University of Zilina, Slovak RepublicInstitute of Physics of Materials, Brno, Czech RepublicIn this paper the authors introduce results from the field of the fatigue safety of selected steels in the region of ultra - high number of loading cycles. The fatigue tests were carried out at high frequency tension - compression loading (f = 20 kHz, T = 20 ± 5°, R = -1) in the region from N = 106 to N = 109 cycles. The fatigue safety coefficients were calculated by four methods (Goodman, Gerber, ASME elliptic and Soderberg). The percentage reduction of the fatigue safety coefficients (N = 109 vs. N = 106 cycles) was at Goodman, 7.99 / 10.83 %, Gerber, 5.27 / 8.26 %, ASME, 1.89 / 6.42 % and Soderberg, 6.51 / 10.25 %.https://komunikacie.uniza.sk/artkey/csl-202004-0012_fatigue-safety-coefficients-for-ultra-high-region-of-load-cycles.phpstructural steelsultra - high cycles fatiguesafety coefficients
spellingShingle Daniel Varecha
Slavomir Hrcek
Otakar Bokuvka
Frantisek Novy
Libor Trsko
Ruzica Nikolic
Michal Jambor
Fatigue Safety Coefficients for Ultra - High Region of Load Cycles
Communications
structural steels
ultra - high cycles fatigue
safety coefficients
title Fatigue Safety Coefficients for Ultra - High Region of Load Cycles
title_full Fatigue Safety Coefficients for Ultra - High Region of Load Cycles
title_fullStr Fatigue Safety Coefficients for Ultra - High Region of Load Cycles
title_full_unstemmed Fatigue Safety Coefficients for Ultra - High Region of Load Cycles
title_short Fatigue Safety Coefficients for Ultra - High Region of Load Cycles
title_sort fatigue safety coefficients for ultra high region of load cycles
topic structural steels
ultra - high cycles fatigue
safety coefficients
url https://komunikacie.uniza.sk/artkey/csl-202004-0012_fatigue-safety-coefficients-for-ultra-high-region-of-load-cycles.php
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