Research Article
Optimization of GMAW Process Parameters Using Particle Swarm Optimization
Table 1
Chemical composition of base metal and filler wire.
| Materials | Elements wt% | C | SI | Mn | P | S | Al | Cr | Mo | Ni |
| IS 2062 | 0.150 | 0.160 | 0.870 | 0.015 | 0.016 | 0.031 | — | — | — | ER 308L | 0.03 | 0.57 | 1.76 | 0.021 | 0.008 | — | 19.52 | 0.75 | 10.02 |
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