Effect of Heat Input on Microstructure and Hardness Distribution of Laser Welded Si-Al TRIP-Type Steel

<table>Microhardness values of a sample welded at a heat input of 0.051 kJ/mm measured along three lines of the cross section (at a centre of the sheet thickness and near top and bottom surfaces).</table>

Advances in Materials Science and Engineering

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Figure 6

Figure 6: Effect of Heat Input on Microstructure and Hardness Distribution of Laser Welded Si-Al TRIP-Type Steel 