Fig. 3. Microstructure appearance of joint welded by FCAW using the current of 80 A at (a) weld metal, (b) HAZ, and (c) base metal with 1400 times magnification.

Fig. 3. Microstructure appearance of joint welded by FCAW using the current of 80 A at (a) weld metal, (b) HAZ, and (c) base metal with 1400 times magnification.

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