An approach to investigating subsurface fatigue in a rolling/sliding contact

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An approach to investigating subsurface fatigue in a rolling/sliding contact. / Savolainen, Matti ; Lehtovaara, Arto.

julkaisussa: International Journal of Fatigue, Vuosikerta 117, 2018, s. 180-188.

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Bibtex - Lataa

@article{0b8874c49f0440dcbb5868d414d1df25,

title = "An approach to investigating subsurface fatigue in a rolling/sliding contact",

abstract = "This paper presents an approach to studying subsurface fatigue failures in a rolling/sliding contact with a twin-disc test device. A series of surface hardened test discs were tested with different load levels. A destructive inspection method was utilised showing subsurface cracks beneath the surface after a large number of load cycles with high loading. In addition, an elastoplastic finite element model considering the effects of increased hardness and residual stresses was created. The calculated results showed critical locations in the discs beneath the surface, which coincided with the experimentally found.",

keywords = "Fatigue, Twin-disc, Subsurface",

author = "Matti Savolainen and Arto Lehtovaara",

year = "2018",

doi = "10.1016/j.ijfatigue.2018.08.014",

language = "English",

volume = "117",

pages = "180--188",

journal = "International Journal of Fatigue",

issn = "0142-1123",

publisher = "Elsevier",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - An approach to investigating subsurface fatigue in a rolling/sliding contact

AU - Savolainen, Matti

AU - Lehtovaara, Arto

PY - 2018

Y1 - 2018

N2 - This paper presents an approach to studying subsurface fatigue failures in a rolling/sliding contact with a twin-disc test device. A series of surface hardened test discs were tested with different load levels. A destructive inspection method was utilised showing subsurface cracks beneath the surface after a large number of load cycles with high loading. In addition, an elastoplastic finite element model considering the effects of increased hardness and residual stresses was created. The calculated results showed critical locations in the discs beneath the surface, which coincided with the experimentally found.

AB - This paper presents an approach to studying subsurface fatigue failures in a rolling/sliding contact with a twin-disc test device. A series of surface hardened test discs were tested with different load levels. A destructive inspection method was utilised showing subsurface cracks beneath the surface after a large number of load cycles with high loading. In addition, an elastoplastic finite element model considering the effects of increased hardness and residual stresses was created. The calculated results showed critical locations in the discs beneath the surface, which coincided with the experimentally found.

KW - Fatigue

KW - Twin-disc

KW - Subsurface

U2 - 10.1016/j.ijfatigue.2018.08.014

DO - 10.1016/j.ijfatigue.2018.08.014

M3 - Article

VL - 117

SP - 180

EP - 188

JO - International Journal of Fatigue

JF - International Journal of Fatigue

SN - 0142-1123

ER -

TUTCRIS