Life Assessment of Dynamically Loaded Materials and Structures, Volume 1L. O. Faria |
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Page 197
L. O. Faria. A STUDY OF THE FATIGUE BEHAVIOUR OF BUTT WELDS MADE ON BACKING BARS S.J. Maddox The influence of the geometry of butt welds made on backing bars on their fatigue strengths under transverse loading was studied . Seven joint ...
L. O. Faria. A STUDY OF THE FATIGUE BEHAVIOUR OF BUTT WELDS MADE ON BACKING BARS S.J. Maddox The influence of the geometry of butt welds made on backing bars on their fatigue strengths under transverse loading was studied . Seven joint ...
Page 198
... backing bars was carried out . The study was based principally on comparative fatigue tests carried out on butt welds made in a structural steel but , in addition , theoretical analyses were performed using fracture mechanics to ...
... backing bars was carried out . The study was based principally on comparative fatigue tests carried out on butt welds made in a structural steel but , in addition , theoretical analyses were performed using fracture mechanics to ...
Page 200
... backing bar and plates to simulate poor fit - up . Type B joints were designed to investigate the fatigue strength of joints made onto backing bars which were not fillet welded in position . Two thicknesses , 5 and 8mm , of steel backing ...
... backing bar and plates to simulate poor fit - up . Type B joints were designed to investigate the fatigue strength of joints made onto backing bars which were not fillet welded in position . Two thicknesses , 5 and 8mm , of steel backing ...
Contents
Short fatigue cracks and crack closure | 3 |
Analysis and prediction of fatigue crack propagation | 49 |
The initiation and propagation of small defects in fretting | 89 |
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alloys analysis applied ASTM behaviour bending calculated compressive mean stress controlled forged crack depth crack growth rate crack initiation crack length crack propagation crack tip criteria criterion cyclic plastic zone da/dN decrease defects deformation displacement ductile effect elastic energy equation estimated experimental results failure fatigue crack fatigue crack growth fatigue limit fatigue strength fatigue tests ferrite Figure fillet welded fracture mechanics fracture surface fracture toughness function geometry grain groove depth inclusions increase influence J-integral Kmax loading material maximum measured microstructure notch factor notched specimens number of cycles obtained OVERSTRAINED oxygen parameters pearlite plane strain plastic strain plotted pmax predicted residual stresses S-N curve shear short cracks shot peening shows solutions steel strain rate stress amplitude stress intensity factor stress range striation density structural Table temperature tion unnotched values versus weld metal weld toe welded joints yield strength yield stress Δε