International Journal of Manufacturing Engineering

Research Article

Optimization of Fusion Zone Grain Size, Hardness, and Ultimate Tensile Strength of Pulsed Current Microplasma Arc Welded AISI 304L Sheets Using Genetic Algorithm

Table 3

Important factors and their levels.
Levels
Serial numberInput factorUnitsāˆ’2āˆ’10+1+2
1Peak currentAmperes66.577.58
2Back currentAmperes33.544.55
3Pulse ratePulses/second2030405060
4Pulse width%3040506070