Life Assessment of Dynamically Loaded Materials and Structures, Volume 1L. O. Faria |
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Page 23
... effect of the many parameters mentioned above . 3.3 Geometric factors 3.2.1 Weld bead shape The overall influence of ... effect due to the general weld profile , and the micro- scopic effect induced by the weld flaws located in the ...
... effect of the many parameters mentioned above . 3.3 Geometric factors 3.2.1 Weld bead shape The overall influence of ... effect due to the general weld profile , and the micro- scopic effect induced by the weld flaws located in the ...
Page 24
... effect of an undercut on the fatigue strength of welded joints , since measuring the depth and acuity of an undercut is a very tricky job . Figure 15 shows , for the case of butt welds , a major fall in Jo with h / t ( where h ...
... effect of an undercut on the fatigue strength of welded joints , since measuring the depth and acuity of an undercut is a very tricky job . Figure 15 shows , for the case of butt welds , a major fall in Jo with h / t ( where h ...
Page 27
... effect is schematically repre- sented in figure 24. On a Goodmann - Smith diagram , the test results are located on straight lines with variations in mean stress For low or nil mean stresses , the results are similar ; on the other hand ...
... effect is schematically repre- sented in figure 24. On a Goodmann - Smith diagram , the test results are located on straight lines with variations in mean stress For low or nil mean stresses , the results are similar ; on the other hand ...
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