A Study of SG Iron Weld Metal
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Authors
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Metallurgical Engineering Department, Jadavpur University, Calcutta - 700 032 ,IN
T. K. Pal
Abstract
The effect of nickel and aluminium on the microstructure and mechanical properties in SG iron weld metal have been investigated.
It is found that both nickel and aluminium influence the microstructure Nickel increases nodule count and pearlite content. Aluminium decreases nodule count and promotes ferrite formation. Addition of nickel in SG iron weld metal upto 3.95 percent, results in an increase in tensile strength and decrease in ductility Further inprovement in tensile strength and marginal drop in ductility have been observed with the addition of aluminium in SG iron metal containing nickel.
