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6 Chapter 6Figure 6.1. Representation of Kaplan’s keyhole modelFigure 6.2. Geometry of the model. For a color version of this figure, see www.i...Figure 6.3. Meshing of the model. For a color version of this figure, see www.is...Figure 6.4. Gaussian power distribution. For a color version of this figure, see...Figure 6.5. Temperature distributions for various models. For a color versionof ...Figure 6.6. Comparison of residual stresses in the keyhole model. For a color ve...Figure 6.7. Comparison of temperatures in the keyhole model. For a color version...Figure 6.8. Thermal results for Gaussian and frustum heat flux. For a color vers...Figure 6.9. Stress results for Gaussian and frustum heat flux. For a color versi...Figure 6.10. Conduction model for various power inputs. For a color version of t...Figure 6.11. Temperature distribution for various power inputs. For a color vers...Figure 6.12. Residual stress distribution for various power inputs. For a color ...
7 Chapter 7Figure 7.1. Photographs of the pin profiles of different tools according to N. B...Figure 7.2. True stress-true strain curves of 1.4 mm-thick JSC590RN steel sample...Figure 7.3. Grid marking of the TWB according to Vijay Gautam et al. For a color...Figure 7.4. Tailored Nakazima specimens according to S.M. Chan et al.Figure 7.5. Micrographs (weldable) of TWBs: (a) AA6061, (b) AA2014, (c) naturall...Figure 7.6. Deformed blanks made up of aluminum and SS alloys according to N. Bh...Figure 7.7. SEM graphs of the welded zones made of the pin profiles of the SC to...Figure 7.8. Al-HSLA welded line moves for three thickness ratios according to Ar...Figure 7.9. Welded Al-DP line moves for three thickness ratios according to Arma...Figure 7.10. Metallographic images from the welded sample center, according to M...Figure 7.11. Investigation of the weld in the transverse direction of similar th...Figure 7.12. Effect of the change in thickness by equating standard alloys and d...Figure 7.13. FLD developed by dissimilar weld blanks, according to M. Habibi et ...Figure 7.14. TWB failure type according to S.M. Chan et al.Figure 7.15. Defects observed: (a) hot cracks inside the stirred zone; (b) view ...Figure 7.16. Measures of microstructural and microhardness joints, according to ...Figure 7.17. Micrographs showing (a) the D1 mixture pattern, (b) D1 at the stir ...Figure 7.18. SEM images of weld contacts of different alloys: (a) D1 and (b) D2,...Figure 7.19. Fractography of the tensile test specimen: (a) Al–Al type weld and ...Figure 7.20. Optical cross-section micrographs perpendicular to the frictionstir...Figure 7.21. Rotational speed of the tool influences the elongation and FSW plat...Figure 7.22. Microhardness survey according to Aruri Devaraju et al. For a color...Figure 7.23. Fracture features of dissimilar joints according to Aruri Devaraju ...Figure 7.24. Microstructure at optimal process parameters according to Shrinivas...Figure 7.25. SEM images of sample no. 2: (a) contact zone of AA5083, (b) top nug...Figure 7.26. Micrographs of weld using the hexagon tool pin profile of different...