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LIST OF TABLES
TABLE NO. DESCRIPTION PAGE NO.
3.1.1 Orthogonal Array 6
3.1.2Welding Parameter 7
3.2.1Process Parameter 7
4.2.1Result Table 13
5.2.1GRA Calculation 18
6.1.1ANOVA Calculation 19
LIST OF FIGURES
FIGURE NO. DESCRIPTION PAGE NO.
4.1.1 Experiment Setup 9
4.1.2
Welding Operation10
4.1.3Varying parameter11
4.1.4Argon Gas Setup12
4.1.5Welded Work-pieces13
4.2.1Hardness Tester14
4.3.1Current vs Hardness 14
4.3.2Current vs UTS14
4.3.3Wire dia. Vs Hardness15
4.3.4Wire dia vs UTS15
6.3.1Current vs means hardness 20
6.3.2Current vs Mean of UTS20
6.3.3Mean of hardness vs Current, wire dia20
6.3.4Mean of UTS vs current, wire dia20
IV