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THE EFFECT OF STRESS CONCENTRATION ON FATIGUE STRENGTH OF CARBURIZED STEEL | ||
| AL-TAQANI | ||
| Article 1, Volume 19, Issue 2, 2006, Pages 0-0 | ||
| Abstract | ||
| In this paper the effect of stress concentration on fatigue resistance is studied for low carbon steel (0.16%C) carburized by gas method (V) notch with depth of (0.1, 0.3) mm was made in the basic and carburized metals, to investigae the effect of stress concentration. Fatigue test (rotating bending) was carried out on the specimens at constant stress amplitude and stress ratio (R= -1). The results show that the increasing of carbon on the surface material up to (0.7%C) leads to improve fatigue strength. Also the notch on carburized specimens leads to a decrease in fatigue resistance. The decrease in fatigue strength was found through calculating (Kf). | ||
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