Some studies on the influence of stress ratio and test temperature on X-ray fractography observations in C45 steel specimens

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Rajanna, K. and Pathiraj, B. and Kolster, B.H. (1996) Some studies on the influence of stress ratio and test temperature on X-ray fractography observations in C45 steel specimens. Engineering Fracture Mechanics, 54 (4). pp. 457-470. ISSN 0013-7944

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Abstract:This paper deals with additional ¿X-ray fractography¿ observations made on C45 steel, subsequent to the earlier work [K. Rajanna, B. Pathiraj and B. H. Kolster, Fatigue fracture surface analysis in C45 steel specimens using X-ray fractography. Engng Fracture Mech. 39, 147¿157 (1991)]. Fatigue crack: growth tests were carried out at 20°C on CT samples prepared from this steel using different stress ratios (0.1R, 0.5R and 0.7R). Tests were also carried out at different temperatures (¿20°C, 20°C and 115°C) using a stress ratio of 0.1. The fractured surfaces were analysed for their residual stress state. The influence of the test conditions on the residual stresses developed is discussed.
Item Type:Article
Copyright:© 1996 Elsevier Science
Faculty:
Engineering Technology (CTW)
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Link to this item:http://purl.utwente.nl/publications/57245
Official URL:http://dx.doi.org/10.1016/0013-7944(95)00242-1
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