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Fatigue threshold behaviour of a high strength steel

Year of publication

1994

Authors

Marquis, Gary

Abstract

Fatigue threshold behaviour of a high strength structural steel has been investigated. The test material was RAEX 460 steel produced by Rautaruukki Oy at the Raahe steelworks. For comparison RAEX 460 with 7% cold work and FE 52 steel were also tested. Threshold testing included endurance limit testing of smooth cylindrical specimens and crack growth threshold testing of compact tension C(T) type specimens. Testing was performed at different stress ratios and test frequencies. The material showed a very high endurance limit and a low crack growth threshold which was not greatly influenced by stress ratio. A few strain controlled tests showed cyclic softening of the material even at low total strain amplitude and long fatigue lives. Figures illustrating the use of this steel in design are also given and discussed.
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Organizations and authors

VTT Technical Research Centre of Finland Ltd

Publication type

Publication format

Monograph

Audience

Scientific

Peer-reviewed

Peer-Reviewed

MINEDU's publication type classification code

C1 Scientific book

Publication channel information

Journal/Series

VTT Publications

Publisher

VTT Technical Research Centre of Finland

Issue

166

ISSN

1235-0621

ISBN

951-38-4404-8

Open access

Open access in the publisher’s service

No

License of the publisher’s version

Other license

Self-archived

No

Other information

Keywords

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Language

English

International co-publication

No

Co-publication with a company

No

The publication is included in the Ministry of Education and Culture’s Publication data collection

No