Validation of a new high frequency testing technique in the VHCF regime – Fatigue properties of a 42CrMoS4 and X5CrNiCuNb16-4 steel

I. Milošević, P. Renhart, G. Winter, F. Grün, M. Kober

Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

Abstract

In times of highly loaded components, effort is put into lightweight concepts and to increase service life. The investigation of material fatigue has become very important. In the last years, the ultrasonic testing equipment (UTE) lead to numerous scientific work in the very high cycle fatigue (VHCF) regime. In this work fatigue results are shown, which were determined by a new high frequency vibration technique (HFVT). This facility operates at a frequency of f = 928 ± 8 Hz respectively f = 930 ± 5 Hz. The materials used in this investigation are a 42CrMoS4 (M-A) and a X5CrNiCuNb16-4 (M-B) steel. High frequency fatigue tests were compared with conventional servo-hydraulic fatigue tests at 30 Hz. An increase of fatigue strength was determined (higher strain rate) for both material configurations. In the area of high stress amplitudes and low stress amplitudes material dependent differences were observed. In general, it can be said that this effect decreased towards lower stress amplitudes.

Originalspracheenglisch
Seiten (von - bis)198-205
Seitenumfang8
FachzeitschriftInternational Journal of Fatigue
Jahrgang112
DOIs
PublikationsstatusVeröffentlicht - 1 Jul 2018

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Very High Cycle Fatigue
Steel
Fatigue
Fatigue of materials
Testing
High Strain Rate
Fatigue Strength
Ultrasonic testing
Hydraulics
Vibration
Service life
Strain rate
Configuration
Dependent

Schlagwörter

    ASJC Scopus subject areas

    • !!Modelling and Simulation
    • !!Materials Science(all)
    • !!Mechanics of Materials
    • !!Mechanical Engineering
    • !!Industrial and Manufacturing Engineering

    Fields of Expertise

    • Sustainable Systems

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    Validation of a new high frequency testing technique in the VHCF regime – Fatigue properties of a 42CrMoS4 and X5CrNiCuNb16-4 steel. / Milošević, I.; Renhart, P.; Winter, G.; Grün, F.; Kober, M.

    in: International Journal of Fatigue, Jahrgang 112, 01.07.2018, S. 198-205.

    Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

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    abstract = "In times of highly loaded components, effort is put into lightweight concepts and to increase service life. The investigation of material fatigue has become very important. In the last years, the ultrasonic testing equipment (UTE) lead to numerous scientific work in the very high cycle fatigue (VHCF) regime. In this work fatigue results are shown, which were determined by a new high frequency vibration technique (HFVT). This facility operates at a frequency of f = 928 ± 8 Hz respectively f = 930 ± 5 Hz. The materials used in this investigation are a 42CrMoS4 (M-A) and a X5CrNiCuNb16-4 (M-B) steel. High frequency fatigue tests were compared with conventional servo-hydraulic fatigue tests at 30 Hz. An increase of fatigue strength was determined (higher strain rate) for both material configurations. In the area of high stress amplitudes and low stress amplitudes material dependent differences were observed. In general, it can be said that this effect decreased towards lower stress amplitudes.",
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    AU - Renhart, P.

    AU - Winter, G.

    AU - Grün, F.

    AU - Kober, M.

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