THE EFFECT OF SPECIMEN SIZE ON THE BEHAVIOUR OF PENETRATING FATIGUE CRACKS |
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| Authors: | K. W. Nam K. Ando N. Ogura |
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| Affiliation: | Department of Material Science and Engineering, National Fisheries University of Pusan, 599-1, Daeyeon-dong, Nam-ku, Pusan, 608-737, Korea;Faculty of Engineering, Yokohama National University, 156, Tokiwadai, Hodogaya-ku, Yokohama, 240, Japan |
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| Abstract: | Fatigue life and penetration behaviour of cracks in HT80 steel plates were examined experimentally at room temperature for both large and small specimens containing a surface crack. Application of stress intensity factor solutions from small specimens, as proposed by the present authors, to large specimens was investigated. Crack growth behaviour, crack shape and crack opening displacement after penetration can be satisfactorily determined using the K solutions proposed by the authors. |
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