High-cycle bending fatigue behaviour of nanostructured bainitic steel

descriptionPublicationkeyboard_double_arrow_right Article 01 Mar 2012 English Publisher:Elsevier BVJournal:Scripta Materialia, volume 66, pages 363-366 (issn: 1359-6462,

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Authors: J. Yang; T.S. Wang; B. Zhang; F.C. Zhang;

doi: 10.1016/j.scriptamat.2011.11.033

High-cycle bending fatigue behaviour of nanostructured bainitic steel

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Abstract

The high-cycle bending fatigue behaviour of high-carbon Si–Al-rich steel with a nanostructured bainitic microstructure was studied. A fatigue limit for no failure in 107 cycles of the nanostructured bainitic steel is determined not only by hardness or strength, which determines the fatigue limit of conventional high- and ultrahigh-strength low-alloy steels, but also by microstructure. Retained austenite and secondary cracks in fatigue fractures of the nanostructured bainitic steel have positive effects on the fatigue property.

Related Organizations

Yanshan University
China (People's Republic of)
State Key Laboratory of Metastable Materials Science and Technology
China (People's Republic of)

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