... at the weld toe. Originality/value – There are very few studies about which a fatigue crack is rendered harmless by residual compressive stress, as a result the structures could be continued to use. Moreover, the study defining the concept about rendering crack harmless and systematic investigation...

... microscope (SEM). Keiji Houjou can be contacted at: houjou@oyama-ct.ac.jp © Emerald Group Publishing Limited 2013 Fatigue limit Overload Plastic bending Rendering crack harmless Stress concentration In recent years, the need for improved fatigue limits of mechanical parts has...

... (materials) Cracking Fatigue limit Stress concentration Rendering crack harmless Shot peening In recent years, the need for improvement in the fatigue limits of mechanical parts is increasing in the context of environmental protection. Improved fatigue limits lead to weight savings, which...