International Journal of Manufacturing Engineering / 2014 / Article / Tab 3

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.

Serial numberInput factorUnits−2−10+1+2

1Peak currentAmperes66.577.58
2Back currentAmperes33.544.55
3Pulse ratePulses/second2030405060
4Pulse width%3040506070

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