6.3 Behaviors of Keyhole and Weld Pool Under the Effect …
171
(a) t=0.1 ms
(b) t=1 ms
(c) t=2 ms
(d) t=5 ms
(e) t=7 ms
(f) t=9 ms
Fig. 6.6 Change process of weld pool surface in the symmetry plane under the effect of auxiliary
gas
pool. This pressure distribution will surely cause the gas–liquid surface at the front
of the weld pool to sag further.
171
(a) t=0.1 ms
(b) t=1 ms
(c) t=2 ms
(d) t=5 ms
(e) t=7 ms
(f) t=9 ms
Fig. 6.6 Change process of weld pool surface in the symmetry plane under the effect of auxiliary
gas
pool. This pressure distribution will surely cause the gas–liquid surface at the front
of the weld pool to sag further.