Y-Y Ma et aL/ Engineering Failure Analysis 47(2015)162-177 (c) (d) Fig. 2. Fractures on the CWP's flange: (a) welding joint 1# (b)welding joint 2#, (c) welding joint 3# and (d) base materialFig. 2. Fractures on the CWP’s flange: (a) welding joint 1#, (b) welding joint 2#, (c) welding joint 3# and (d) base material. Y.-Y. Ma et al. / Engineering Failure Analysis 47 (2015) 162–177 165