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http://dx.doi.org/10.12656/jksht.2018.31.1.18

A Characteristic Study of Low Cycle Fatigue for Rolled STS 304 Steel  

Kim, C.H. (Department of Nano Fusion Technology, Pusan National University)
Park, Y.M. (Department of Nano Fusion Technology, Pusan National University)
Bae, M.K. (Department of Nano Fusion Technology, Pusan National University)
Kim, H.S. (Department of Nanomechatronics Engineering, Pusan National University)
Kim, T.G. (Department of Nanomechatronics Engineering, Pusan National University)
Publication Information
Journal of the Korean Society for Heat Treatment / v.31, no.1, 2018 , pp. 18-23 More about this Journal
Abstract
In this study, low cyclic fatigue test was carried out at room temperature condition for rolled STS304 steel. The results of this study show that rolled STS304 steel has excellent static tensile strength and fatigue characteristics. The relationship between plastic strain range and fatigue life was examined using the triangular wave in order to predict the low cycle fatigue life of rolled STS304 steel by Coffin-Manson equation. Cyclic behavior of rolled STS304 steel was characterized by cyclic hardening with increasing number of cycle through the Hysteresis loop analysis and cyclic response of maximum stress versus number of cycles. It is found that the plastic deformation energy consumed per cycle is reduced by calculating the area of the hysteresis loop.
Keywords
Low Cycle Fatigue; Rolled STS 304 steel; Coffin-Manson equation; Plastic Strain Energy;
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