Heat transfer and fluid flow and their effects on the solidification microstructure in full-penetration laser welding of aluminum sheet
Shaoning Genga, Ping Jianga,*(
), Xinyu Shaoa, Lingyu Guob, Xuesong Gaob
), Xinyu Shaoa, Lingyu Guob, Xuesong Gaob
.
Fig. 15.. Spatial variation of the CET parameter, G3/R, along the representative isothermal (887.5 K) in mushy zone and the corresponding experimental grain structures tested by EBSD for different cases: (a)(b) Case I - PL = 2500 W, V = 80 mm/s; (c)(d) Case II - PL = 3000 W, V = 120 mm/s; (e)(f) Case III - PL = 3500 W, V = 180 mm/s.
