Fatigue strength of TRIP steels

descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 1980 English Publisher:Springer Science and Business Media LLCJournal:Metallurgical Transactions A, volume 11, pages 1,069-1,071 (issn: 0360-2133, eissn: 2379-0180,

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Authors: G. B. Olson; R. Chait; M. Azrin; R. A. Gagne;

doi: 10.1007/bf02654722

Fatigue strength of TRIP steels

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Abstract

Abstract : Comparison of the S-N curves of warm-extruded TRIP steels, heat treated to give two stabilities with respect to deformation-induced martensitic transformation during testing, reveals a beneficial effect of the transformation on fatigue behavior under stress control conditions. The proportionality of fatigue strength to ultimate tensile strength is maintained to higher strength levels relative to other steels. For a stress ratio of R = 0.1, a fatigue strength at 10 to the seventh power cycles of 180 ksi (1,240 MPa) is obtained. (Author)

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